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Articles de revues sur le sujet « Carotenoids Physiological effect »

Auteur : Grafiati

Publié le 4 juin 2021

Mis à jour le 29 janvier 2023

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1

Edoh, Ngozi L., Joseph Ukpabi, and John O. Igoli. "Effect of Scopoletin and Carotenoids on Postharvest Physiological Deterioration (PPD) of Transgenic High Beta Carotene Cassava." Journal of Food Research 10, no. 4 (July 11, 2021): 9. http://dx.doi.org/10.5539/jfr.v10n4p9.

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Cassava tubers suffer from postharvest physiological deterioration (PPD) which normally sets in within 72 hours of harvest. This study examines the role of scopoletin and carotenoids in the onset or delay in PPD in two transgenic varieties EC20-7 and EC20-8 compared to a wild variety TME-7. Scopoletin and carotenoids were quantified by liquid chromatography-mass spectrometry. The scopoletin content (0.10 &ndash; 0.20 nmol/g) in the fresh varieties was not significantly (P&gt;0.05) different from the amount in stored cassava roots (12.58 &ndash; 14.90 nmol/g). The carotenoid content

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Ntanios, Fady Y., and Guus S. M. J. E. Duchateau. "A healthy Diet rich in Carotenoids is effective in Maintaining normal Blood Carotenoid Levels during the Daily use of Plant Sterol-enriched Spreads." International Journal for Vitamin and Nutrition Research 72, no. 1 (January 1, 2002): 32–39. http://dx.doi.org/10.1024/0300-9831.72.1.32.

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Blood cholesterol levels are affected by diet and in particular by the type and amount of fat intake. In recent years, vegetable oil spreads containing plant sterols/stanols (as their fatty acid esters) have been developed. Numerous clinical trials on spreads with added plant sterols/stanols have shown that they have much greater cholesterol-lowering properties than conventional vegetable oil spreads. Plant sterols decrease both dietary and biliary cholesterol absorption in the small intestine, with a consequential increase in excretion of cholesterol. It is also recognized that plant sterol/s

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Kowalczyk, Katarzyna, Leszek Sieczko, Wojciech Borucki, Marzena Sujkowska-Rybkowska, Małgorzata Mirgos, Monika Niedzińska, Magdalena Bederska-Błaszczyk, Waldemar Kowalczyk, Anna Geszprych, and Janina Gajc-Wolska. "The Effect of LED and HPS Assimilation Lighting on Leaf Anatomy, Chlorophyll and Carotenoid Autofluorescence Signals, and Some Physiological and Chemical Leaf Traits Related to the Productivity of Cucumber (Cucumis sativus L.) in High-Wire Cultivation." Agronomy 12, no. 9 (August 25, 2022): 2004. http://dx.doi.org/10.3390/agronomy12092004.

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Supplemental lighting with light-emitting diode (LED) lamps and/or high-pressure sodium (HPS) lamps was applied to increase the activity of the photosynthetic apparatus and thus productivity of greenhouse cucumber (Cucumis sativus L.) in a high-wire growing system. The colocalisation of the chlorophyll of PSII (located mainly in grana) and carotenoid fluorescence signals in chloroplasts of cucumber leaves was studied under confocal microscopy. Leaf anatomy and some chemical quality traits (dry matter, chlorophyll, carotenoids, total soluble solids, total sugars and nitrate reductase activity)

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Reboul, Emmanuelle, Sinay Thap, Franck Tourniaire, Marc André, Christine Juhel, Sophie Morange, Marie-Josèphe Amiot, Denis Lairon, and Patrick Borel. "Differential effect of dietary antioxidant classes (carotenoids, polyphenols, vitamins C and E) on lutein absorption." British Journal of Nutrition 97, no. 3 (March 2007): 440–46. http://dx.doi.org/10.1017/s0007114507352604.

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Lutein is assumed to protect the human retina from blue light and oxidative stress and diminish the incidence of age-related macular degeneration. This antioxidant is commonly ingested with other dietary antioxidants. The aim of the present study was to assess whether the main dietary antioxidants, i.e. carotenoids, polyphenols and vitamins C and E, affect lutein absorption. We measured the effect of adding a mixture of antioxidants (500 mg vitamin C, 67 mg (100 IU) vitamin E and 1 g polyphenols) to a lutein-containing meal (18 mg) on the postprandial lutein response in the chylomicron-rich fr

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Rashidi Othman, Nur Alifah Md Amin, Ainaa Eliah Abu Bakar, Nurrulhidayah Ahmad Fadzillah, and Noraini Mahmad. "Carotenoid Pigments of Red, Green and Brown Macroalgae Species as Potential Active Pharmaceutical Ingredients." Journal of Pharmacy and Nutrition Sciences 9, no. 1 (January 5, 2019): 14–19. http://dx.doi.org/10.29169/1927-5951.2019.09.01.3.

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Active Pharmaceutical Ingredient (API) is a substance used in a finished pharmaceutical product, intended to furnish pharmacological activity or contribute direct effect in the diagnosis, cure, mitigation, treatment or prevention of disease. It also provides a direct effect in restoring, correcting or modifying physiological functions in human beings. Macroalgae, also known as seaweed, are plant-like organisms that can be found in a marine habitat. Macroalgae has been given huge concern because of its high nutritional value and short-term growth, which is only 45 days per cycle. Therefore, thr

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HORVÁTH, Kitti Z., Bulgan ANDRYEI, Lajos HELYES, Zoltán PÉK, András NEMÉNYI, and Eszter NEMESKÉRI. "Effect of mycorrhizal inoculations on physiological traits and bioactive compounds of tomato under water scarcity in field conditions." Notulae Botanicae Horti Agrobotanici Cluj-Napoca 48, no. 3 (August 25, 2020): 1233–47. http://dx.doi.org/10.15835/nbha48311963.

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Mycorrhizal inoculations were investigated to reveal their effects on the growth and productivity of processing tomato grown under field conditions. Plants inoculated at sowing (M1), sowing + transplanting (M2) and non-inoculated plants (M0) were grown under regularly irrigated (RI), deficit irrigated (DI), and non-irrigated (I0) conditions. In dry years, under non-irrigated conditions (M2) treatment significantly decreased the canopy temperature, improved the photosynthetic efficiency expressed by chlorophyll fluorescence (Fv/Fm) and the fruit setting, significantly increased the total carote

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Lefevre, Carmen E., and David I. Perrett. "Fruit over sunbed: Carotenoid skin colouration is found more attractive than melanin colouration." Quarterly Journal of Experimental Psychology 68, no. 2 (February 2015): 284–93. http://dx.doi.org/10.1080/17470218.2014.944194.

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Skin colouration appears to play a pivotal part in facial attractiveness. Skin yellowness contributes to an attractive appearance and is influenced both by dietary carotenoids and by melanin. While both increased carotenoid colouration and increased melanin colouration enhance apparent health in Caucasian faces by increasing skin yellowness, it remains unclear, firstly, whether both pigments contribute to attractiveness judgements, secondly, whether one pigment is clearly preferred over the other, and thirdly, whether these effects depend on the sex of the face. Here, in three studies, we exam

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Agyemang Duah, Stella, Clarice Silva e. Souza, Zsuzsa Nagy, Zoltán Pék, András Neményi, Hussein G. Daood, Szergej Vinogradov, and Lajos Helyes. "Effect of Water Supply on Physiological Response and Phytonutrient Composition of Chili Peppers." Water 13, no. 9 (May 1, 2021): 1284. http://dx.doi.org/10.3390/w13091284.

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Water supply is a primary contributor to the growth and phytonutrient composition in chili peppers. Several physiological stress factors can influence phytonutrients in chili peppers, resulting in their differential synthesis. Maintaining the right and exact amount of water through a drip system can promote an effective fruit set and crop quality. Four pepper cultivars (‘Hetényi Parázs’; HET, ‘Unikal’; UNIK, ‘Unijol’; UNIJ and ‘Habanero’; HAB) were investigated under different water supply treatments: RF or rain-fed, DI or deficit irrigation, and OWS or optimum water supply. The two-year exper

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Saric-Krsmanovic, Marija, Dragana Bozic, Ljiljana Radivojevic, Jelena Gajic-Umiljendic, and Sava Vrbnicanin. "Impact of field dodder (Cuscuta campestris Yunk.) on physiological and anatomical changes in untreated and herbicide-treated alfalfa plants." Pesticidi i fitomedicina 31, no. 3-4 (2016): 115–20. http://dx.doi.org/10.2298/pif1604115s.

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The effects of field dodder on physiological processes and the anatomy of alfalfa plants were examined under controlled conditions. The experiment included the following variants: N - noninfested alfalfa plants (control); I - infested alfalfa plants (untreated); T - infested plants treated with imazethapyr. Imazethapyr application rate was 100 g a.i. ha-1. The following parameters were checked: physiological - pigment content (chlorophyll a, chlorophyll b, total carotenoids); anatomical - stem parameters: thickness of epidermis and cortex, and diameter of stem and central cylinder; leaf parame

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Khanishova, M. A., K. R. Tagieva, and I. V. Azizov. "Evaluation of physiological, biochemical and yield indicators of wheat and maize genotypes exposed to sodium chloride." Faktori eksperimental'noi evolucii organizmiv 31 (September 1, 2022): 102–7. http://dx.doi.org/10.7124/feeo.v31.1494.

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Aim. Study the effect of sodium chloride on the physiological and biochemical characteristics of wheat and maize genotypes, to identify varieties tolerant to salinity. To create new salt-tolerant varieties of wheat and maize, a comparative analysis of the physiological and biochemical parameters of the parental and hybrid plants was carried out. Methods. Physiological parameters such as chlorophyll content, relative water content, and PSII activity have been studied in parental forms and hybrids. Results. When studying salt-tolerance of hybrids and parental forms, differences were detected in

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Mahdavian, Kobra. "The effect of salicylic acid and calcium chloride on lipid peroxidation and the scavenging ability on radical of chickpeas (Cicer arietinum) under salt stress." Botanica Serbica 45, no. 2 (2021): 185–94. http://dx.doi.org/10.2298/botserb2102185m.

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Salinity exerts harmful morphological, physiological, and metabolic effects on plants. This research aimed to evaluate the effect of salicylic acid (SA 0, 0.75 and 1.5 mM) and calcium chloride (CaCl2 0, 50 and 100 mM), singly or in combination, on different morphological and physiological characteristics of chickpeas exposed to salt stress (0, 25 and 75 mM NaCl). The results showed that the addition of SA or Ca alone improved plant behaviour in the presence of NaCl. Also, the shoot and root length, dry weight, chlorophyll and carotenoids decreased under salinity, while malondialdehyde (MDA), t

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Alia-Tejacal, Iran, Maria-Teresa Colinas-Leon, Maria-Teresa Martinez-Damian, and Marcos Soto-Hernández. "(49) Effect of Low Temperature Storage on Quality and Enzymatic Activity of Zapote Mamey Fruit (Pouteria sapota)." HortScience 40, no. 4 (July 2005): 1087D—1087. http://dx.doi.org/10.21273/hortsci.40.4.1087d.

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Zapote mamey is a climacteric fruit that shows an increase in the content of carotenoids and total soluble sugars and in the activity of different enzymes during maturation. In the present study, zapote mamey fruits were harvested at physiological maturity and stored for 7, 14, and 21 days at 5, 10, and 15 °C, 85% relative humidity (RH). At the same time, immediately after harvest a group of fruits (control) was kept and evaluated at ambient temperature (20 °C, 50% to 60% RH). The objective was to determine the effects of temperature and storage time on content of carotenoids, and total solubl

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Karpenko, V. P., I. I. Mostoviak, A. A. Datsenko, R. M. Prytuliak та O. I. Zabolotnyi. "ВМІСТ ФОТОСИНТЕТИЧНИХ ПІГМЕНТІВ У ЛИСТКАХ ГРЕЧКИ ЗА ДІЇ БІОЛОГІЧНИХ ПРЕПАРАТІВ". Scientific Issue Ternopil Volodymyr Hnatiuk National Pedagogical University. Series: Biology 81, № 1-2 (30 червня 2021): 83–89. http://dx.doi.org/10.25128/2078-2357.21.1-2.11.

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The article presents the results of a field experiment to study the effects of different rates of the microbial preparation Diazobacterin under different methods of using the plant growth regulator Radostim (seed treatment before sowing and spraying crops) on the content of chlorophyll a and b in buckwheat leaves of Yelena variety, their sum and carotenoids. Determination of chlorophyll a and b, their sum and carotenoids was performed in selected samples of buckwheat leaves in the field conditions, in the phases of stem branching and the beginning of flowering according to the method described

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Elloumi, Wiem, Ahlem Jebali, Amina Maalej, Mohamed Chamkha, and Sami Sayadi. "Effect of Mild Salinity Stress on the Growth, Fatty Acid and Carotenoid Compositions, and Biological Activities of the Thermal Freshwater Microalgae Scenedesmus sp." Biomolecules 10, no. 11 (November 6, 2020): 1515. http://dx.doi.org/10.3390/biom10111515.

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Carotenoids have strong antioxidant activity as well as therapeutic value. Their production has been induced in algae under stressful culture conditions. However, the extreme culture conditions lead to the Programmed Cell Death (PCD) of algae, which affects their growth and productivity. This study was performed to evaluate the effect of salinity on the physiological and biochemical traits of Scenedesmus sp., thermal freshwater microalgae from Northern Tunisia. It was cultured under different NaCl concentrations ranging from 0 to 60 g/L. Results showed a good growth and high contents of total

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Arruda, Souza, and Siqueira. "Carotenoids from Malanga (Xanthosoma Sagittifolium) Leaves Protect Cells Against Oxidative Stress in Rats." International Journal for Vitamin and Nutrition Research 75, no. 2 (March 1, 2005): 161–68. http://dx.doi.org/10.1024/0300-9831.75.2.161.

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The present study investigated the effect of malanga leaf powder and its carotenoids oil extract on oxidative damage in rat tissues. A group of rats received AIN-93G diet devoid of vitamin A (AD) and three other groups were treated with AD diet supplied with synthetic beta-carotene (beta-car) or malanga leaf powder (MP) or malanga carotenoids extract (CE). The diets’ carotenoids bioavailability was determined through carotenoids intake/liver retinol content. Lipid thiobarbituric acid reactive substances (TBARS) and protein (carbonyl) oxidation, and reduced (GSH) and oxidized (GSSG) glutathione

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Góraj-Koniarska, Justyna, Marian Saniewski, Ryszard Kosson, Wiesław Wiczkowski, and Marcin Horbowicz. "Effect of Fluridone on Some Physiological and Qualitative Features of Ripening Tomato Fruit." Acta Biologica Cracoviensia s. Botanica 59, no. 2 (December 20, 2017): 41–49. http://dx.doi.org/10.1515/abcsb-2017-0012.

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AbstractIn tomato fruits, chlorophyll, lycopene and ß-carotene are mostly responsible for the color. During ripening of tomato fruits, the color of the pericarp changes from green to red as chlorophyll is degraded and carotenoids accumulate. These changes are associated with an increase in respiration and ethylene production. Carotenoid biosynthesis pathway in plants can be disturbed by herbicide fluridone (1-methyl-3-phenyl-5-[3-trifluoromethyl(phenyl)]- 4(1H)-pyridinone), which inhibits the activity of phytoene desaturase, an enzyme responsible for conversion of phytoene to phytofluene. Flur

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Aminifard, Mohmmad Hossein, Abbas Jorkesh, Hamid-Reza Fallahi, and Khosro Alipoor. "Foliar Application of Thiamin Stimulates the Growth, Yield and Biochemical Compounds Production of Coriander and Fenugreek." Journal of Horticultural Research 26, no. 1 (June 1, 2018): 77–85. http://dx.doi.org/10.2478/johr-2018-0009.

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Abstract This study was aimed to investigate the effect of thiamine (Th) foliar application on some morpho-physiological aspects in coriander and fenugreek. Three levels of Th (250, 500 and 750 ppm) plus control treatment (distilled water) were studied under controlled greenhouse conditions. All the levels of Th, in particular the concentration of 500 ppm, increased the vegetative growth of coriander. 1000-grain weight, contents of nitrogen and phosphorus, carotenoid and chlorophyll b contents were the highest at a concentration of 750 ppm. Fenugreek vegetative growth also responded positively

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Fawad, Muhammad, Khalid Rehman Hakeem, Hassan S. Al-Zahrani, and Md Arfan Ali. "Exogenous application of citric acid alleviates copper-induced stress in Withania coagulans (Dunal)." World Journal of Biology and Biotechnology 7, no. 3 (December 18, 2022): 25. http://dx.doi.org/10.33865/wjb.007.03.0694.

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The current study aimed to determine the mitigating effect of citric acid (CA) on various physiological and biochemical attributes in Withania coagulans, exposed to copper (Cu) stress. The viable seeds of Withania coagulans were planted in a controlled environment. After reaching the four-leaf stage, the plants were given simultaneous treatment with two concentrations of Cu [TCu1 and TCu2 (10mM, 15mM)] alone and/or with CA [TCa1 and TCa2 (05mM, 10mM)]. After harvesting, the physiological and biochemical characteristics of the plants were assessed. The findings demonstrated that using a higher

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Galperina, A. R., and O. B. Soprunova. "Influence of lead salts on some morphological and physiological parameters of filamentous cyanobacteria." Biosystems Diversity 26, no. 3 (August 23, 2018): 227–32. http://dx.doi.org/10.15421/011834.

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In the conditions of a model laboratory experiment the influence of lead salts (an acetate and nitrate) on morphological and physiological parameters of filamentous cyanobacteria was studied. During the experiment we estimated features of formation of biomass, structure of trichomes, form and the size of cells, content of chlorophyll a, carotenoids and phycobiliproteins. It is noted that in the presence of lead acetate of up to 5 maximum allowable concentrations there is a formation of a biomass in the form of attached and free films, and presence of a nitrate form of lead at the same concentr

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Lima, Yasmin Chagas, Ana Raquel Lopes Soares de Almeida, Adelia Vitória Domingos Pontes, Oriel Herrera Bonilla, and Eliseu Marlônio Pereira de Lucena. "Germination performance and vigor of tobacco seeds coated with a chitosan-based bioproduct." Research, Society and Development 11, no. 15 (November 13, 2022): e158111537064. http://dx.doi.org/10.33448/rsd-v11i15.37064.

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The biopolymer coating use on seeds has aroused the interest of the agricultural sector due to its low cost, reduction of impacts on the environment and improvements in productivity and yield of major crops, being chitosan an important polymer for application in seeds. Considering this knowledge, the present study aimed to evaluate the application effect of a bioproduct based on chitosan, from the parameters of physiological quality, vigor, and biochemistry in tobacco seeds. Seeds of the Virginia variety were submitted to treatments: 0.0 (witness); 0.5; 1; 2.5; 5; and 10% were used to obtain f

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Balouchi, H. R., S. A. M. M. Sanavy, Y. Emam, and A. Dolatabadian. "UV radiation, elevated CO2 and water stress effect on growth and photosynthetic characteristics in durum wheat." Plant, Soil and Environment 55, No. 10 (October 21, 2009): 443–53. http://dx.doi.org/10.17221/1024-pse.

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Climate change studies are of considerable interest in agriculture and environmental science. The objective of this research was to investigate the changes in photosynthetic pigments and other physiological and biochemical traits of durum wheat exposed to ultraviolet A, B and C radiation, elevated CO<sub>2</sub> and water stress. The results showed that carotenoids, anthocyanins, flavonoids and proline content increased significantly by decreasing ultraviolet wavelength compared to control. Elevated CO<sub>2</sub> increased only height and specific leaf area. Water stre

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Janjuha, Ryan, Diane Bunn, Richard Hayhoe, Lee Hooper, Asmaa Abdelhamid, Shaan Mahmood, Joseph Hayden-Case, Will Appleyard, Sophie Morris, and Ailsa Welch. "Effects of Dietary or Supplementary Micronutrients on Sex Hormones and IGF-1 in Middle and Older Age: A Systematic Review and Meta-Analysis." Nutrients 12, no. 5 (May 18, 2020): 1457. http://dx.doi.org/10.3390/nu12051457.

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Observational research suggests that micronutrients may be protective for sarcopenia, a key health issue during ageing, potentially via effects on hormone synthesis and metabolism. We aimed to carry out a systematic review of RCTs investigating effects of increasing dietary or supplemental micronutrient intake on sex hormones and IGF-1 in individuals aged 45 years or older. We searched MEDLINE, EMBASE and Cochrane databases for RCTs reporting the effects of different micronutrients (vitamins A, C, D, or E; carotenoids; iron; copper; zinc; magnesium; selenium; and potassium) on sex hormones or

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Auriga, Alicja, and Jacek Wróbel. "Influence of Tytanit® and EM on biochemical, physiological, and qualitative parameters of common bean." Horticultural Science 48, No. 2 (June 29, 2021): 98–104. http://dx.doi.org/10.17221/72/2020-hortsci.

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The role of preparations supporting plant growth is mainly to reduce the harmful effects of various stress factors on plants and to ensure high yields of good quality. This experiment compared the effect of the mineral stimulator Tytanit® and the biological preparation Effective Microorganisms (EM) on the physiological and biochemical activity, as well as the yield of the common bean (Phaseolus vulgaris L.). The photosynthetic pigments, free proline and malondialdehyde were assayed and compared at three phenological phases of the bean: 15 BBCH, 24 BBCH, 65 BBCH. The yield parameters included t

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Wang, X., D. Kong, Z. Ma, and R. Zhao. "Effect of carrot puree edible films on quality preservation of fresh-cut carrots." Irish Journal of Agricultural and Food Research 54, no. 1 (June 1, 2015): 64–71. http://dx.doi.org/10.1515/ijafr-2015-0007.

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Abstract The effect of edible films based on carrot puree, chitosan, corn starch, gelatin, glycerol and cinnamaldehyde on fresh-cut carrots was studied during storage. Several parameters, such as firmness, colour, weight loss, total carotenoids, total phenols, polyphenol oxidase (PPO) activity and peroxidase (POD) activity in coated carrots were determined at regular intervals and then compared with the uncoated carrots throughout the storage period. Significant and expected changes were observed in all carrot samples that were compared. The coating treatment significantly (P < 0.05) delaye

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Akhmedzhanova, Aliya, Sergey Ponomarev, Yulia Fedorovykh, Olga Levina, Tatyana Starikova, and Evgeny Dutikov. "The effectiveness of the use of astaxanthin in production feeds for promising aquaculture objects." E3S Web of Conferences 363 (2022): 03001. http://dx.doi.org/10.1051/e3sconf/202236303001.

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When developing the composition of recipes for complete dry combined feeds in industrial aquaculture, in addition to their balance in terms of basic nutrients, it is necessary to pay attention to the presence of a number of irreplaceable biologically active feed components in them. Among them, along with vitamins and minerals, are carotenoids – natural pigments contained in the natural food of fish. Carotenoids – play a different role in the metabolism of fish and are also pronounced antioxidants that protect the body from the action of free radicals. The article discusses the experience of us

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Dichala, Olga, Anastasia Evripidis Giannakoula, and Ioannis Therios. "Effect of Salinity on Physiological and Biochemical Parameters of Leaves in Three Pomegranate (Punica Granatum L.) Cultivars." Applied Sciences 12, no. 17 (August 30, 2022): 8675. http://dx.doi.org/10.3390/app12178675.

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Salinity is one of the most important abiotic stresses affecting crop yield. It is important to exploit pomegranates’ potential against salts because they are considered beneficial plants for human health due to their antioxidants and they are often exposed to severe salinity stress in the field. Three pomegranate cvs. were chosen as model plants for assessing the impact of different salt stress in the cultivation. The aim of this study was to evaluate the physiological and biochemical response of three pomegranate varieties (Punica granatum L.) (Wonderful, Ermioni, and Grenada) under differen

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Hussein, Hebat-Allah A., Shifaa O. Alshammari, Sahar K. M. Kenawy, Fatma M. Elkady, and Ali A. Badawy. "Grain-Priming with L-Arginine Improves the Growth Performance of Wheat (Triticum aestivum L.) Plants under Drought Stress." Plants 11, no. 9 (April 30, 2022): 1219. http://dx.doi.org/10.3390/plants11091219.

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Drought is the main limiting abiotic environmental stress worldwide. Water scarcity restricts the growth, development, and productivity of crops. Wheat (Triticum aestivum L.) is a fundamentally cultivated cereal crop. This study aimed to evaluate the effect of grain-priming with arginine (0.25, 0.5, and 1 mM) on growth performance and some physiological aspects of wheat plants under normal or drought-stressed conditions. Morphological growth parameters, photosynthetic pigments, soluble sugars, free amino acids, proline, total phenols, flavonoids, and proteins profiles were determined. Drought

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Gáspár, Soma Gáspár, László Zsombik, and Szilvia Veres. "Comparison of the physiological responses of an oil-pumpkin cultivar and hybrid under different nitrogen supply conditions." Acta Agraria Debreceniensis, no. 2 (December 15, 2019): 65–69. http://dx.doi.org/10.34101/actaagrar/2/3680.

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Cucurbita pepo var. styriaca is known as a medicinal crop among other cucurbits. The benefits of cucurbits fruits are very important in terms of human health, purification of blood, removal of constipation, digestion and supplying energy. The mutant styrian oil-pumpkin (Cucurbita pepo L. convar. Pepo var. styriaca Greb.) exposes a complete lack of lignification of the seed testa. For this reason, this kind of naked pumpkin seed is more consumable as snack than other seeds. The vegetative growth of plants is crucial for fruit production. Nitrogen is the most imperative element for the proper ve

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Kot, I., C. Sempruch, K. Rubinowska, and W. Michałek. "Effect ofNeuroterus quercusbaccarum(L.) galls on physiological and biochemical response ofQuercus roburleaves." Bulletin of Entomological Research 110, no. 1 (June 13, 2019): 34–43. http://dx.doi.org/10.1017/s0007485319000221.

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AbstractGall formation is associated with multiple changes in plant cells, which still requires a better understanding. In this study, galls caused by sexual generation (♀♂) ofNeuroterus quercusbaccarum(L.) (Hymenoptera: Cynipidae) on pedunculate oak trees (Quercus roburL.) were used as a model. Cytoplasmic membrane condition, concentration of hydrogen peroxide (H2O2), the activity of antioxidant enzymes and amino acid decarboxylase as well as chlorophyll fluorescence parameters were determined. Changes in physiological and biochemical parameters were analyzed in foliar tissues with galls and

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Simonova, Olga, Evgenija Tovstik, and Maksim Simonov. "Antioxidant status of barley seedlings under conditions of excess manganese." E3S Web of Conferences 254 (2021): 01032. http://dx.doi.org/10.1051/e3sconf/202125401032.

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The system of protection against the effects of heavy metals (TM) can differ not only in different species of plants, but also in different varieties. Manganese (Mn), as a biogenic element, is necessary for normal plant growth and development. However, in the case of concentrations exceeding the optimal level, it negatively affects both linear plant growth and physiological processes. The paper presents data on the assessment of the effect of excess manganese (II) ions (30, 60 and 90 mg/l of active substance) on barley seedlings of different varieties. Resistance of plants to ionic toxicity of

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Puglisi, Ivana, Emanuele La Bella, Ermes Ivan Rovetto, Angela Roberta Lo Piero, and Andrea Baglieri. "Biostimulant Effect and Biochemical Response in Lettuce Seedlings Treated with A Scenedesmus quadricauda Extract." Plants 9, no. 1 (January 18, 2020): 123. http://dx.doi.org/10.3390/plants9010123.

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The use of natural biostimulants is becoming an attractive option in order to reduce the use of fertilizer and increase the yield of crops. In particular, algal extracts are suitable candidates as they positively affect plant physiology. Among crops, lettuce often requires the use of biostimulants to improve both the quality and quantity of production. The aim of this work is to investigate the potential use of a Scenedesmus quadricauda extract as a biostimulant in order to obtain sustainable cultivation and a reduction in the cost of chemical fertilizers in lettuce cultivation. Therefore, the

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Orozco, Antonio, Alfonso A. Gardea, Agustín Rascón-Chu, and Alfonso Sánchez. "Effect of salinity on seed germination, growth and metabolic activity of pitaya seedlings [Stenocereus thurberi (Engelm.) Buxb.]." Journal of the Professional Association for Cactus Development 19 (December 30, 2017): 67–78. http://dx.doi.org/10.56890/jpacd.v19i.44.

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The Cactaceae is an important resource in the arid and semi-arid zones of Mexico, this familyis naturally distributed in the Americas. Pitaya (Stenocereus thurberi) is an important endemicspecies of the Sonoran Desert that has received little attention despite its diverse uses,distribution and endemism. In the environment where pitayas thrive, salinity is a commoncondition, and its effects in physiological traits has been poorly recorded in the literature. Inthis study, NaCl effect was evaluated on germination, and seedlings growth and metabolicchanges. For the latter, heat or metabolic activi

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Gurjar, P. S., A. K. Verma, Abhay Dikshit, and D. K. Shukla. "Effect of ethrel spray on the ripening behaviour of mango (Mangifera indica L.) variety 'Dashehari'." Journal of Applied and Natural Science 9, no. 3 (September 1, 2017): 1619–23. http://dx.doi.org/10.31018/jans.v9i3.1411.

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An experiment was carried out to investigate the effect of post harvest spray of different concentrations (100, 200, 400, 600 and 800 ppm) of ethrel (2-chloroethyl phosphonic acid) on ripening and colour development in ‘Dashehari’ mango fruits harvested in second week of June, 2015. The treated fruits were assessed for physico-chemical parameters such as physiological loss in weight (%), firmness (Kg/cm2), TSS (°Brix), titrable acidity (%), total carotenoids (mg/100g) and peel chlorophyll (mg/100g) and observations were recorded at 2 days interval during 8 days storage at ambient temperature.

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Kabiri, R., F. Nasibi, and H. Farahbakhsh. "Effect of exogenous salicylic acid on some physiological parameters and alleviation of drought stress in Nigella sativa plant under hydroponic culture ." Plant Protection Science 50, No. 1 (January 27, 2014): 43–51. http://dx.doi.org/10.17221/56/2012-pps.

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To study the effect of salicylic acid on photosynthetic pigments (chlorophyll&nbsp;a,&nbsp;b, total chlorophyll, and carotenoids), polyphenol compounds, anthocyanin, flavonoids, phenylalanine ammonia-lyase activity, malondialdehyde, lipoxygenase activity, electrolyte leakage, relative water content, soluble sugar contents, and protein content of black cumin (Nigella sativa) under drought stress in hydroponic culture, an experiment was conducted as a completely randomised design in a factorial arrangement with three replicates. Experimental treatments included salicylic acid at three le

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Sędzik, Maja, Beata Smolik, and Marcelina Krupa-Małkiewicz. "Effect of lead on germination and some morphological and physiological parameters of 10-day-old seedlings of various plant species / Wpływ ołowiu na kiełkowanie i niektóre parametry morfologiczne i fizjologiczne w 10-dniowych siewkach różnych gatunków roślin." Ochrona Srodowiska i Zasobów Naturalnych 26, no. 3 (September 1, 2015): 22–27. http://dx.doi.org/10.1515/oszn-2015-0009.

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Abstract Among the heavy metals, lead (Pb) is one of the most common environmental pollutants. This study examines the effect of 1 mM lead nitrate Pb(NO3)2 on the germination index, morphological parameters (root length, shoot length, fresh biomass and tolerance index) and physiological parameters (proline, total chlorophyll and carotenoids) in the leaves of 10-day-old seedlings of various species of crop plants under laboratory conditions. All results, when compared to control, showed Pb adversely affecting the morphological and physiological parameters of the test plants. Among the 12 studie

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Savicka, Marina, Aleksandrs Petjukevics, Anna Batjuka, and Nataļja Skute. "Impact of moderate heat stress on the biochemical and physiological responses of the invasive waterweed Elodea canadensis (Michx. 1803)." Archives of Biological Sciences 70, no. 3 (2018): 551–57. http://dx.doi.org/10.2298/abs180119016s.

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Global warming can negatively affect freshwater macrophytes. However, the degree to which freshwater plants can survive after long-term or short-term warming and the underlying molecular mechanisms are not fully understood. The aim of our study was to analyze the responses of an invasive plant to moderate heat stress (HS). Biochemical and physiological stress responses to experimental warming (30?}1.0?C/25?}1.0?C, day/night) were assessed in the invasive waterweed Elodea canadensis. The effect of the moderate HS on the macrophyte was evaluated through changes in the total protein content, cata

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Cao, Bang Phi, Duong Xuan Vu, and Luong Trong Dang. "Effect of salicylic acid on some physiological parameters in micropropagated Bac Kan local alpinia (Alpinia coriandriodora D. Fang) under drought condition." Science and Technology Development Journal - Natural Sciences 2, no. 3 (May 23, 2019): 44–49. http://dx.doi.org/10.32508/stdjns.v2i3.752.

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In this work, some physiological parameters of micropropagated Bac Kan local alpinia (Alpinia coriandriodora D. Fang) affected by drought and salicylic acid treatments under drought condition were analyzed. In comparison to well watered plants, the droughted plants have lower contents of relative water, photosynthetic pigments, anthocyanins in leaves and Fv/Fm ratio. In constrat, proline content and activity of both catalase and peroxidase are higher in droughted plants. SA treatments, 10 M in particular, attenuate damages in droughted alpinia plants by affecting on some physiological paramet

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Dastborhan, Soheila, Kazem Ghassemi-Golezani, Andrzej Kalisz, Mostafa Valizadeh, Behnam Asgari Lajayer, and Tessema Astatkie. "Biochemical and physiological response of borage to seed priming and water deficit: antioxidant enzymes, osmolytes, photosynthetic pigments, and fluorescence parameters." Spanish Journal of Agricultural Research 20, no. 3 (June 24, 2022): e0804. http://dx.doi.org/10.5424/sjar/2022203-19132.

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Aim of study: To investigate the general response patterns of the borage plant to water fluctuations from a biochemical and physiological perspective. Area of study: East Azerbaijan Province of Iran during the period 2012 and 2013. Material and methods: The study investigated the effects of irrigation (after 60, 90, 120 and 150 mm evaporation) and priming (unprimed, and primed seeds with water, 1% KNO3 and 1% KH2PO4) on the antioxidant enzymes, osmolytes, photosynthetic pigments, and fluorescence parameters of borage using a Split-plot experimental design. Main results: The s

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Song, Shi Wei, Ling Yan Yi, Hou Cheng Liu, Guang Wen Sun, and Ri Yuan Chen. "Effect of Color Shading-Nets on the Growth and Physiological Characteristics of Chieh-Qua Seedling." Advanced Materials Research 366 (October 2011): 197–201. http://dx.doi.org/10.4028/www.scientific.net/amr.366.197.

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With uncovered net as a control, the effect of color shading-nets (red net, blue net and silver net) and ordinary black net on growth and physiological characteristics of Chieh-qua (Benincasa hispida Cogn.var. chieh-qua How.) seedling were studied. The result showed that, shading-net covering reduced light intensity and temperature, and increased air humidity of the seedling environment, compared with the control. Shading-net covering increased plant height, stem diameter, leaf area and biomass of Chieh-qua seedling, among which covering of blue and silver shading-nets were superior to the oth

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Hatami, Mehrnaz, and Mansour Ghorbanpour. "Effect of Nanosilver on Physiological Performance of Pelargonium Plants Exposed to Dark Storage." Journal of Horticultural Research 21, no. 1 (June 1, 2013): 15–20. http://dx.doi.org/10.2478/johr-2013-0003.

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Abstract This investigation was conducted to evaluate the effects of post-harvest application of silver nanoparticles (N-Ag) and dark storage on plastid pigments, petal abscission, lipid peroxidation and activities of ascorbate peroxidase (APX) and guaiacol peroxidase (POD) in pelargonium cultivars ‘Blue Wonder’ and ‘Anthony’. N-Ag was applied as foliar spray in concentrations 0, 20, 40, 60 and 80 mg·cm-3 and then the plants were stored for 5 days in a growth chamber in darkness at temperature 20±2 °C and relative humidity 65%. The results revealed that after dark storage the petal abscission

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Granado, Fernando, Begoña Olmedilla, Enrique Gil-Martínez, and Inmaculada Blanco. "Lutein ester in serum after lutein supplementation in human subjects." British Journal of Nutrition 80, no. 5 (November 1998): 445–49. http://dx.doi.org/10.1017/s0007114598001512.

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Lutein, one of the major carotenoids present in serum, is also widely consumed by most populations. For the purpose of testing the potential health benefits of several carotenoids, lutein was supplied as part of an intervention trial to test whether the consumption of these food constituents reduces oxidative damage to human tissue components. Lutein from a natural source (15 mg/d as mixed ester forms) was supplied for 4 months to eighteen non-smoking, apparently healthy volunteers (nine men, nine women) aged 25–45 years. The serum carotenoid profile was analysed at baseline and monthly therea

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Rodríguez-Pérez, Loyla, Carlos Eduardo Ñústez L., and Liz Patricia Moreno F. "Drought stress affects physiological parameters but not tuber yield in three Andean potato (Solanum tuberosum L.) cultivars." Agronomía Colombiana 35, no. 2 (May 1, 2017): 158–70. http://dx.doi.org/10.15446/agron.colomb.v35n2.65901.

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This study evaluated the effect of water deficit on the physiological response and yield of three Andean potato cultivars. Leaf water potential (Ψw), soil matric potential (SMP), photosynthesis (A), stomatal conductance (gs), transpiration (E), intrinsic water use efficiency (WUEi), leaf temperature (LT), chlorophyll fluorescence parameters, chlorophyll (Chl), carotenoids (Car), electrolyte leakage (EL), growth and yield (Y). Parameters were determined in well-watered (WW) and drought-stressed (DS) plants. The three DS cultivars showed a decrease in leaf from the first day of treatment and rea

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Hadi, H., A. Najafabadi, and R. Amirnia. "Comparison of Different Treatment Methods of Salicylic acid on Some Physiological Traits of White Bean Under Salinity Stress." Cercetari Agronomice in Moldova 47, no. 3 (September 1, 2014): 97–105. http://dx.doi.org/10.2478/cerce-2014-0030.

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Abstract It has been shown that salicylic acid (SA) acts as an endogenous signal molecule responsible for inducing biotic and abiotic stress tolerance in plants. The effect of three application methods (Soil, Foliar and Priming) and four salicylic acid concentrations (0, 0.1, 0.5 and 1.0 mM) on chlorophyll a, b and total chlorophyll, carotenoids, proline, protein and soluble sugars of NaCl (4 ds/m) stressed white bean (Phaseulus vulgaris L.) was investigated. The results showed that the effect of applied concentrations and application methods on chlorophyll a and total chlorophyll, proline, pr

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Sabuz, AA, MGF Chowdhury, MM Molla, MHH Khan, and M. Miaruddin. "Effect of Ethephon on ripening and postharvest quality of mango." Bangladesh Journal of Agricultural Research 44, no. 3 (October 10, 2019): 453–67. http://dx.doi.org/10.3329/bjar.v44i3.43478.

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The experiment was conducted at the laboratory of Postharvest Technology Division, BARI to evaluate the effect of postharvest application of 6 concentrations (0, 250, 500, 750, 1000 & 10000 ppm) of ethephon on ripening and postharvest qualityof mango (cv. Langra) fruits harvested at mature green stage on 3rdweek of June in 2011 and 2012. The treated fruits were assessed for physiological changes such as ripening %, weight loss (%), biochemical aspects such as TSS (0Brix), titratable acidity (%), reducing sugar (%), total sugar (%), ascorbic acid content (mg/100g), total carotenoids (μg/100

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Patel, Miral, Nirmal Kumar J.I, and K. K. Tiwari. "An Investigation on principle biochemical components, photosynthetic pigments, nucleic acid and enzymatic activities of axenic culture of Scytonema sp. treated with two PAHs: Acenapthene and Fluoranthene." International Journal of Applied Sciences and Biotechnology 2, no. 1 (March 25, 2014): 34–40. http://dx.doi.org/10.3126/ijasbt.v2i1.9784.

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The fresh water cyanobacteria Scytonema sp. was cultivated in a laboratory scale in the presence of various concentrations (2.5, 5, 10, 20 ppm) of two polycyclic hydrocarbons in order to assess the influence of the pollutant on the growth and certain physiological responses of the cyanobacteria. The algal cells were analyzed for chlorophyll a, carotenoids, phycobilliproteins, proteins, amino acid, nucliec acid, C/N ratio and elemental composition, carbohydrate and different enzymes at four days interval up to 16 days. According to our results, Scytonema sp. was significantly affected by the po

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Abdellatif, Yasmin M. R., Maha S. Elsayed, Mona M. Hassan, Inas A. Ahmed, Ahmed H. Ragab, Ibrahim M. Shams El-Din, Walid B. Abdelaal, Mona S. Abd El-Aal, and Amal F. M. Zein El Din. "Zinc Oxide Nanoparticles and Fe-Modified Activated Carbon Affecting the In Vitro Growth of Date Palm Plantlets cv. Medjool." Horticulturae 8, no. 12 (December 10, 2022): 1179. http://dx.doi.org/10.3390/horticulturae8121179.

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The survival and growth of in vitro plantlets are still problematic for the date palm; thus, the application of nanotechnology may provide date palm plantlets that develop faster with enhanced growth and biochemical parameters. Moreover, the usage of Fe-modified activated carbon (Fe-AC) prepared from date palm pits instead of activated charcoal (AC) in tissue culture media during the current investigation can be considered an innovative approach. Furthermore, the effect of zinc oxide nanoparticles (ZnO-NPs) and bulk particles (ZnO-BPs) on the rooting and growth of date palm plantlets and on so

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Barickman, T. Casey, Catherine R. Simpson, and Carl E. Sams. "Waterlogging Causes Early Modification in the Physiological Performance, Carotenoids, Chlorophylls, Proline, and Soluble Sugars of Cucumber Plants." Plants 8, no. 6 (June 8, 2019): 160. http://dx.doi.org/10.3390/plants8060160.

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Waterlogging occurs because of poor soil drainage and/or excessive rainfall and is a serious abiotic stress affecting plant growth because of declining oxygen supplied to submerged tissues. Although cucumber (Cucumis sativus L.) is sensitive to waterlogging, its ability to generate adventitious roots facilitates gas diffusion and increases plant survival when oxygen concentrations are low. To understand the physiological responses to waterlogging, a 10-day waterlogging experiment was conducted. The objective of this study was to measure the photosynthetic and key metabolites of cucumber plants

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Zaimenko, N. V., B. O. Ivanytska, N. V. Rositska, N. P. Didyk, D. Liu, M. Pyzyk, and J. Slaski. "Physiological responses of orchids to prolonged clinorotation." Biosystems Diversity 29, no. 4 (October 27, 2021): 367–73. http://dx.doi.org/10.15421/012146.

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Creation of plant-based bioregenerative life support systems is crucial for future long-duration space exploring missions. Microgravity is one of the major stresses affecting plant growth and development under space flight conditions. Search for higher plant genotypes resilient to microgravity as well as revealing of biological features which could be used as markers of such resilience is rather urgently needed. The objective of this study was to analyze physiological and biochemical responses of three orchid species representing different life forms (terrestrial and epiphytic), growth types (

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Zaimenko, N. V., B. O. Ivanytska, N. V. Rositska, N. P. Didyk, D. Liu, M. Pyzyk, and J. Slaski. "Physiological responses of orchids to prolonged clinorotation." Biosystems Diversity 29, no. 4 (October 27, 2021): 367–73. http://dx.doi.org/10.15421/10.15421/012146.

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Creation of plant-based bioregenerative life support systems is crucial for future long-duration space exploring missions. Microgravity is one of the major stresses affecting plant growth and development under space flight conditions. Search for higher plant genotypes resilient to microgravity as well as revealing of biological features which could be used as markers of such resilience is rather urgently needed. The objective of this study was to analyze physiological and biochemical responses of three orchid species representing different life forms (terrestrial and epiphytic), growth types (

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Cao Phi, Bang, Huyen Tran Thi Thanh, Man Le Thi, Ngoc Chu Thi Bich, and Huong Phung Thi Lan. "Effect of salicylic acid on some physiological indices of Chrysanthemum cv “mai vang” cut flowers." Journal of Science Natural Science 66, no. 1 (March 2021): 96–103. http://dx.doi.org/10.18173/2354-1059.2021-0012.

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Chrysanthemum (Chrysanthemum sp.) has an important economic and medicinal value. This plant is the second most important cut flower produced in the world. Salicylic acid is a growth regulator with multifunction that is involved in plant physiology. In this works, the effect of salicylic acid at different concentrations (0.0; 0.25; 0.5; 0.75; 1.0; 1.5 and 2.0 mM, respectively) on physiological characteristics of Chrysanthemum "mai vang" cut flowers was investigated. Research results indicated that salicylic acid affected the content of photosynthetic pigments and chlorophyll fluorescence of lea

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