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Journal articles on the topic 'Effect of gibberellins on'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2024

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1

Mignolli, Francesco, Graciela Beatriz Rojas, and María Laura Vidoz. "Supraoptimal ethylene acts antagonistically with exogenous gibberellins during Solanum lycopersicum (Solanaceae) hypocotyl growth." Boletín de la Sociedad Argentina de Botánica 51, no. 2 (June 15, 2016): 235–42. http://dx.doi.org/10.31055/1851.2372.v51.n2.14836.

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In many plant species, ethylene and gibberellins interact to regulate plant growth and development. In some cases, these hormones can act in a synergistic way whereas in others they can be antagonistic. To date, the control of hypocotyl elongation by ethylene and gibberellins has been poorly explored in tomato. In this paper, we report that, application of exogenous ethylene to tomato seedlings or high endogenous ethylene production, as in the epinastic mutant, strongly prevent the effect of gibberellic acid (GA3) application. Moreover, constitutive activation of gibberellin signal in a DELLA

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2

Janas, Krystyna M., and Jiři Šebánek. "Effect of cotyledons and epicotyl upon the activity of endogenous gibberellins in roots of flax (Linum usitatissimum L.) seedlings." Acta Agrobotanica 34, no. 2 (2013): 231–33. http://dx.doi.org/10.5586/aa.1981.017.

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In 11-day-old flax seedlings, the level of endogenous gibberellins in roots decreased within 12 hours after the excision of cotyledons and the epicotyl; however, 24 to 48 hours after excision the gibberellin level increased again. The decrease in the gibberellin level within the first 12 hours after excision suggests a participation of the cotyledons and the epicotyl in the biosynthesis of endogenous gibberellins.

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3

Yogi, Yogi, St Subaedah, and Muliaty Galib. "INVIGORASI BENIH KEDELAI (Glycine max L Merill) DENGAN MENGGUNAKAN BERBAGAI DOSIS DAN WAKTU PERENDAMAN HORMON GIBERELIN." AGrotekMAS Jurnal Indonesia: Jurnal Ilmu Peranian 4, no. 1 (April 18, 2023): 119–25. http://dx.doi.org/10.33096/agrotekmas.v4i1.319.

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This study aimed to determine the effect of seed invogoration using the concentration and soaking time of the gibberellin hormone and the interaction between the two on the viability and vigor of soybean seeds. Indonesia. This study was arranged based on a completely randomized design with a 2-factor pattern. The first factor was the concentration of growth hormone gibberellin GA3 with 3 levels, namely without growth hormone (control), 50 ppm gibberellins and 100 ppm gibberellins. The second factor is immersion time with 3 levels, namely soaking 30 minutes, 60 minutes and 90 minutes. The resul

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4

Putri, Asri Insiana, and Toni Herawan. "Pengaruh Gibberellin (GA4) terhadap Waktu Perkecambahan dan Pertumbuhan Tinggi Semai Cendana (Santalum Album Linn.)." Jurnal Ilmu Kehutanan 2, no. 2 (July 1, 2008): 63. http://dx.doi.org/10.22146/jik.821.

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Effect of Gibberellins (GA4) on Germination Time and Height of Cendana (Santalum album Linn.) The hemiparasite Santalum album Linn. (cendana) grows very slow, in nature the rare and difficult seeds need stimulation to germinate. Gibberellins (including GA4) are growth regulators, usually used to increase growth as well as to break seed dormancy. The objectives of this research were to investigate the influence of gibberellins on germination percentage and height of cendana growth. Experiment was laid out in a Completely Randomized Design with 3 replicates of 300 seeds for germination percentag

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Kyari, B. A., Z. A. Lawan, M. S. Waziri, H. M. Ajiri, B. Apagu, H. Mari, and M. A. Ibrahim. "Effect of Imbibition Time on Hormonal Changes of Germinating Tamarindus indica and Prosopis juliflora." Indonesian Journal of Agricultural Research 5, no. 3 (June 16, 2023): 219–30. http://dx.doi.org/10.32734/injar.v5i03.6573.

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Imbibition time and hormonal changes play a significant role in seed germination. This study, evaluated the effects of some phytohormones; indole acetic acid (IAA), abscisic acid (ABA), gibberellin and cytokinins) and imbibition time (0, 48 and 96 hours) on Tamarindus indica and Prosopis juliflora. High-Performance Liquid Chromatography (HPLC) was used to determine the concentrations of the hormones. Results indicated significantly higher and faster in P. juliflora than T. indica. The germination rate was 4.1 - 68.1% and 4.0 - 61.4%, and model for inhibition time 28.256ln(x) and 25.791ln(x), r

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Sabovljevic, Aneta, Marko Sabovljevic, and D. Grubisic. "Gibberellin influence on the morphogenesis of the moss Bryum argenteum Hedw. in in vitro conditions." Archives of Biological Sciences 62, no. 2 (2010): 373–80. http://dx.doi.org/10.2298/abs1002373s.

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The moss Bryum argenteum Hedw. was treated with gibberellins as well as some inhibitors of gibberellin biosynthesis in order to investigate their influence on B. argenteum morphogenesis. Generally, gibberellins have not been chemically identified in bryophytes, while other groups of classical phytohormones (auxins, cytokinins, abscisic acid and ethylene) have been chemically identified in these plants. The in vitro culture of the moss Bryum argenteum was established from sterilized spores. The apical shoots of untreated gametophytes grown in vitro were used to investigate the influence of diff

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7

Liu, Shuping, Junyang Lu, Jun Tian, Ping Cao, Shuhao Li, Haicui Ge, Mingxuan Han, and Fenglin Zhong. "Effect of Photoperiod and Gibberellin on the Bolting and Flowering of Non-Heading Chinese Cabbage." Horticulturae 9, no. 12 (December 18, 2023): 1349. http://dx.doi.org/10.3390/horticulturae9121349.

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Non-heading Chinese cabbage (cabbage) is an essential green leafy vegetable, and bolting and flowering are necessary for reproduction. However, further research is needed to study the effect of photoperiod on the bolting and flowering of cabbage, particularly on the development of the stem. In this study, we performed phenotypic analysis and measured endogenous gibberellin levels in the cabbage. We carried out these experiments under four different photoperiodic treatments, 12 h (light)/12 h (dark), 14 h (light)/10 h (dark), 16 h (light)/8 h (dark), and 18 h (light)/6 h (dark). The results sho

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8

Verma, Meena, Roop Singh Bora, Imran Sheikh, Vinod Kumar, Punesh Sangwan, and Harcharan Singh Dhaliwal. "Effect of gibberellins and ascorbic acid treatment on phytic acid and micronutrients dialyzability in germinated biofortified wheat seeds." Indian Journal of Community Health 33, no. 1 (March 31, 2021): 123–29. http://dx.doi.org/10.47203/ijch.2021.v33i01.017.

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Introduction: Phytic acid chelate minerals, including Fe and Zn and render them inaccessible once ingested by human beings. The evaluation of differences in the dialyzability of macronutrients including Fe and Zn in various wheat derivatives is therefore important for the enhancement of nutritional quality of grains. Objectives: The objective of current study was to improve the micronutrient content in wheat grain. Methods: During germination (12, 24, 48, 72, 96 h), effects of gibberellins and ascorbic acid on phytic acid content as well as dialyzability of iron and zinc of wheat derivatives w

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9

Castro-Camba, Ricardo, Conchi Sánchez, Nieves Vidal, and Jesús Mª Vielba. "Plant Development and Crop Yield: The Role of Gibberellins." Plants 11, no. 19 (October 9, 2022): 2650. http://dx.doi.org/10.3390/plants11192650.

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Gibberellins have been classically related to a few key developmental processes, thus being essential for the accurate unfolding of plant genetic programs. After more than a century of research, over one hundred different gibberellins have been described. There is a continuously increasing interest in gibberellins research because of their relevant role in the so-called "Green Revolution", as well as their current and possible applications in crop improvement. The functions attributed to gibberellins have been traditionally restricted to the regulation of plant stature, seed germination, and f

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Iskandaria, Weyni, Nindi Darmawanti, Siti Nur Annisa Boang Manalu, Indayana Febriani Tanjung, and Febry Ramadhani Hasibuan. "The Effect of Growth Regulating Substances Giberelin on The Growth of Cucumber (Cucumis sativus)." Jurnal Biologi Tropis 23, no. 1 (January 14, 2023): 269–72. http://dx.doi.org/10.29303/jbt.v23i1.4603.

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Cucumber is one of Indonesia's agricultural commodities which is in great demand by the public, but in an effort to fulfill the number of requests a way is needed to be able to increase the amount of production. One of them is the use of growth regulators in supporting the growth of cucumber seeds. Gibberellin is a growth regulator that stimulates the growth of plant stems and leaves. This study aims to determine the effect of using gibberellins on cucumber plants (Cucumis sativus). The method used in this study was direct testing with 4 treatments, namely 0 ppm, 150 ppm, 175 ppm and 200 ppm w

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Wiseman, Nadine J., and Colin G. N. Turnbull. "Effects of photoperiod and paclobutrazol on growth dynamics of petioles in strawberry (Fragaria × ananassa)." Functional Plant Biology 26, no. 4 (1999): 353. http://dx.doi.org/10.1071/pp98001.

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Petiole elongation of strawberry plants (Fragaria × ananassa) is modified by photoperiod, and gibberellins may mediate this response. To test the relationship further, we measured petiole growth dynamics under short and long days, in comparison with responses to paclobutrazol, which reduces gibberellin biosynthesis. Growth rate in short days was lower after 2 days, and at its maximum was 60% of long-day controls. Petiole length at maturity was 75%, and was accounted for primarily by decreased cell length. Subsequent leaves showed similar patterns, but in the third leaf, cell number was also re

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Moncur, M. W., G. F. Rasmussen, and O. Hasan. "Effect of paclobutrazol on flower-bud production in Eucalyptusnitens espalier seed orchards." Canadian Journal of Forest Research 24, no. 1 (January 1, 1994): 46–49. http://dx.doi.org/10.1139/x94-007.

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Eucalyptusnitens (Dean & Maiden) Maiden grafts growing as espaliers at Ridgley, Tasmania, and Canberra, Australian Capital Territory, were treated with paclobutrazol as a single collar drench application. Umbel production was enhanced for 3 years at Ridgley and 2 years at Canberra. Canberra grafts were also treated by trunk injection, which proved effective only in the 1st year. Untreated grafts did not produce an appreciable number of umbels until year 3. Paclobutrazol reduced the level of endogenous gibberellins. Close association between gibberellin levels and increases in reproductive

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13

Adelina, Enny, Nuraeni Nuraeni, Yohanis Tambing, and Ida Musdalifa. "EFFECTIVENESS OF GIBBERELLINS IN BREAKING DORMANCY OF SNAKEFRUIT SEEDS (SALACCA SNAKEFRUIT GEARTNER)." AGROLAND The Agricultural Sciences Journal (e-Journal) 7, no. 2 (December 23, 2020): 91–98. http://dx.doi.org/10.22487/agroland.v7i2.616.

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This study aims to examine the effectiveness of gibberellins in breaking dormancy to produce high viability snakefruit (Salacca snakefruit Geartner) seeds. The materials used are snakefruit seeds from Tamareja Village, Donggala Regency, sterile sand media, aquades, and GA3 solution. This research was arranged using a completely randomized design (CRD) with one factor, namely the provision of gibberellin, consisting of five levels of concentration, namely P0 = control (without treatment), P1 = 30 ppm and P2 = 40 ppm P3 = 50 ppm P4 = 60 ppm. each treatment was repeated five times so that there w

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14

Basnizki, Jehuda, and Eliezer E. Goldschmidt. "FURTHER EXAMINATION OF GIBBERELLIN A, EFFECTS ON FLOWERING OF GLOBE ARTICHOKES (CYNARA SCOLYMUS L.) UNDER CONTROLLED ENVIRONMENT AND FIELD CONDITIONS." Israel Journal of Plant Sciences 42, no. 2 (May 13, 1994): 159–66. http://dx.doi.org/10.1080/07929978.1994.10676567.

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The effect of gibberellin A3 (GA3) treatments on flowering of seed-grown globe artichoke (Cynara scolymus) was investigated under controlled environment and field conditions. GA3 induced flower initiation in lines ‘060’ and ‘Talpiot’ under strictly noninductive, short-day-high-temperature conditions. In ‘Talpiot’, GA3 induced microscopically detectable flower initiation but no stem elongation, suggesting involvement of gibberellins in the flower formation process. Under field conditions, GA3 replaced the cold requirements of line ‘HU 271’, thereby enabling the start of flowering during autumn.

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15

Murrinie, Endang Dewi, Untung Sudjianto, and Khoirinnidha Ma’rufa Ma’rufa. "PENGARUH GIBERELIN TERHADAP PERKECAMBAHAN BENIH DAN PERTUMBUHAN SEMAI KAWISTA (Feronia Limonia (L.) Swingle)." Agritech: Jurnal Fakultas Pertanian Universitas Muhammadiyah Purwokerto 23, no. 2 (December 28, 2021): 183. http://dx.doi.org/10.30595/agritech.v23i2.12614.

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Wood-apple is a rare plant that is almost extinct, so efforts are needed to increase the population. Wood-apple is generally propagated generatively. Wood-apple seeds need 2-3 weeks to germinate, so when germinated many seeds are rotten before germination. Soaking in gibberellins is one way that can be done to shorten germination. The study aimed to determine the effect of concentration and duration of soaking in gibberellins on germination and growth of wood-apple seedlings. The study consisted of two factors which were designed in a completely randomized design. The first factor was the conc

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Tefa, Anna, Hermina Manlea, Rikardus Kolo, Antonius Ola, and Gebhardus Djugian Gelyaman. "Vegetative and Generative Growth Responses of Eban Local Cultivar Shallots Treated with Gibberellins (GA3) and P Fertilizers." Jurnal Penelitian Pendidikan IPA 9, no. 4 (April 30, 2023): 2151–56. http://dx.doi.org/10.29303/jppipa.v9i4.3112.

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One strategy to increase shallot productivity is to use fertilizers and growth regulators. The aim of the study was to determine the response of vegetative and generative growth of shallots to local Eban cultivars through the application of gibberellins and P fertilizers in the middle plains of North Central Timor District. This study used a factorial randomized block design (RBD). The first factor was the application of gibberellins (GA3), consisting of three treatments, namely without application of GA3 (control), application of 100 ppm GA3 and application of 200 ppm of GA3. The second facto

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Puspitasari, Diah Rochana, Anne Nuraini, and Sumadi Sumadi. "Pematahan Dormansi Umbi Bawang Putih (Allium sativum L.) Varietas Lumbu Hijau dengan Perlakuan Lama Penyimpanan Umbi pada Suhu Rendah dan Aplikasi Giberelin." Paspalum: Jurnal Ilmiah Pertanian 8, no. 2 (September 30, 2020): 85. http://dx.doi.org/10.35138/paspalum.v8i2.189.

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Low temperature and gibberellin treatments affected on breaking dormancy. The effects of low temperature in storage duration and gibberellin treatrments on breaking of dormancy of garlic were examined in this study. The aims of this study to determinate the best treatments for breaking garlic bulb dormancy. The sorted garlic bulbs were stored at 4 ± 0.4 ° C for 0 (control), 15, 30 and 45 days. The bulbs that have been treated by low temperature then treated by gibberellins at various concentrations including 0, 75, 150, and 225 mgL-1 by soaking for 24 hours. The bulbs were planted in the seedl

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da Silva, Gustavo Cabral, Ivan de-la-Cruz-Chacón, Ana Beatriz Marques Honório, Bruna Cavinatti Martin, Marília Caixeta Sousa, Felipe Girotto Campos, Carmen Sílvia Fernandes Boaro, and Gisela Ferreira. "Temperature and GA3 as Modulating Factors in the Biosynthesis of Alkaloids during Imbibition and Early Development of Annona x atemoya Mabb. cv. ‘Gefner’ Seedlings." Horticulturae 8, no. 9 (August 26, 2022): 766. http://dx.doi.org/10.3390/horticulturae8090766.

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Alkaloids are products of the specialized metabolism of plants and temperature is a factor capable of modulating their biosynthesis. Species of the Annonaceae family biosynthesize alkaloids and present dormancy in their seeds, which can be overcome with the use of gibberellins. Therefore, the aim of this work was to evaluate whether temperature variations and the use of gibberellin in seeds affect the production of alkaloids during germination and early development of Annona x atemoya Mabb. cv. ‘Gefner’ seedlings. Results showed that the temperature of 30 °C associated with imbibition in water

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Farida, Farida, and Nani Rohaeni. "PENGARUH KONSENTRASI HORMON GIBERELIN TERHADAP PERTUMBUHAN DAN HASIL TANAMAN OKRA." ZIRAA'AH MAJALAH ILMIAH PERTANIAN 44, no. 1 (February 12, 2019): 1. http://dx.doi.org/10.31602/zmip.v44i1.1601.

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The effect of gibberellins hormone concentration on the growth and yield of okra. The aims of research are (1) to determinate the effects of growth and yield of okra plant with gibberellins hormon treatment, (2) to determine the best concentration of gibberellns hormone on the growth and yield of okra plants. This research obtained for three mounth on January to Aprl 2018. The research was conducted in Diponegoro Street, Village Sangatta Sub-distrct East Kutai. This research uses is Completely Randomized Design (CRD) of non factorial experiments each of four treatments and six replcates, are :

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B. Gujar, Shivani, Aparna G. Pathade, and Girish R. Pathade. "Impact of Plant Growth Regulators on Strawberry Plant – A Review." Ecology, Environment and Conservation 30, Suppl (2024): 252–57. http://dx.doi.org/10.53550/eec.2024.v30i02s.053.

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Strawberry is soft, luscious, nutritious, tasty, and perishable fruit which are grown in temperate climatic conditions where the plant like a small perennial herb and also grown in a sub-tropical climate whose plant behaves as an annual belonging to the family Rosacea. Application of growth regulators has been practiced commercially to increase the production and quality of crops. Gibberellic acid has a significant role in plant heights, number of runners, number of flowers, fruit set percentage, number of fruits, fruit size, fruit weight and fruit quality. In this study we present influence o

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Al-Shahwany, Ayyad W., Fatima K. Mohammad, and Ropak Tofiq. "Influence Soaking Gibberellin acid on seed germination for Citrus limetta and Citrus limonum and their seedlings growth." Journal of Biotechnology Research Center 8, no. 1 (January 1, 2014): 43–49. http://dx.doi.org/10.24126/jobrc.2014.8.1.301.

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Study was undertaken to test the effects of soaking seeds Citrus limetta and Citurs limonum in Gibberellic acid (GA3) solutions 0, 100, 500, 1000 mg / L for 24 hours prior on the rate of germination, some morphological characteristics for seedlings also were investigated in this study. Factorial experiment was carried out 4×2×5 in a randomized complete block design with five replicates for each type of seed during the period of March to September 2011. The results showed significant differences in most traits, as it reached the highest percentage of germination for the treatment with 500 mg/l

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Wang, Bing, and Alan R. Langille. "Response of a Gibberellin-deficient Potato Mutant to Induction and Growth Regulators as a Working Model for Tuber Initiation." HortScience 42, no. 3 (June 2007): 540–43. http://dx.doi.org/10.21273/hortsci.42.3.540.

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To explore further the role endogenous gibberellins play in the formation of the potato tuber, a gibberellin-deficient dwarf of Solanum tuberosum subsp. andigena (PI 281036) and its normal sibling were used in this study. Because gibberellins are known to be elevated and to affect tuber formation negatively when potato plants are grown under long day conditions, test plants were first grown in a growth chamber under conditions that did not favor tuberization (noninducing conditions). The stem apices of dwarfs received weekly applications of a 100-ppm gibberellic acid (GA3) solution to achieve

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Michalski, Leszek. "Effects of ionizing radiation on changes in the level of gibberellin-like substances during Scotch pine seeds germination." Acta Societatis Botanicorum Poloniae 45, no. 3 (2015): 263–69. http://dx.doi.org/10.5586/asbp.1976.022.

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The level of gibberellin-like substances in pine seeds exposed to ionizing radiation was investigated using extraction, fractionation, acid hydrolysis, partitioning on chromatographic columns and biological tests. It was found that the level of free and bound gibberellin-like substances is dependent on the applied gamma radiation dose. It is assumed that ionizing radiation may re-lease bound gibberellins into free ones.

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Harkess, Richard L., and Robert E. Lyons. "Gibberellin- and Cytokinin-induced Growth and Flowering Responses in Rudbeckia hirta L." HortScience 29, no. 3 (March 1994): 141–42. http://dx.doi.org/10.21273/hortsci.29.3.141.

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BA and GA4+7, were applied to vegetative, mature Rudbeckia hirta plants at the beginning of long days (LD). There were no synergistic effects, but BA inconsistently affected branching and had no effect on flowering. Floral initiation of the terminal inflorescence was promoted by GA4+7, although axillary inflorescences were not. Increasing GA4+7 levels decreased the time to terminal inflorescence anthesis. However, the interval between the terminal and second axillary inflorescence anthesis was increased. The net result was no significant effect on the time to second axillary inflorescence anth

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Lilis Karlina, Dede Suhendra, and Warnita. "VIABILITY OF ROBUSTA COFFEE (Coffea canephora) SEEDS AT SEVERAL CONCENTRATIONS AND DURATION OF GIBERELIN (GA3)." Jurnal Riset Perkebunan 4, no. 1 (March 14, 2023): 35–44. http://dx.doi.org/10.25077/jrp.4.1.35-44.2023.

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Robusta coffee (Coffea canephora) germination takes a long time because robusta coffee beans have a hard seed coat that makes it difficult for water and oxygen to penetrate, causing the germination process to be hampered. The purpose of this study is to determine the gibberellin concentration, and the proper soaking time in the germination of robusta coffee seeds and to obtain the best interaction between gibberellin concentration and soaking time on the viability of coffee seeds that have been peeled. The research was conducted at the Dharmasraya Campus III Seed Technology Laboratory from Jul

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Han, Jennifer, Jan E. Murray, Qingyi Yu, Paul H. Moore, and Ray Ming. "The Effects of Gibberellic Acid on Sex Expression and Secondary Sexual Characteristics in Papaya." HortScience 49, no. 3 (March 2014): 378–83. http://dx.doi.org/10.21273/hortsci.49.3.378.

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The vegetative forms of male (XY), female (XX), and hermaphrodite (XYh) papaya (Carica papaya L.) plants are phenotypically identical. However, the flower and inflorescence morphology of each sex type is unique. Gynodioecious varieties SunUp, SunUp Diminutive mutant, and dioecious AU9 were used to test the response of papaya to gibberellic acid (GA3). Exogenous applications of GA3 on female and hermaphrodite flowers of papaya did not yield any sex reversal phenotype but caused a significant increase in peduncle elongation and inflorescence branch number in all treated plants. An increase in fl

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Jaques, Lanes B. A., Ivan R. Carvalho, Vinícius J. Szareski, João R. Pimentel, Cristian Troyjack, Simone M. Dellagostin, Mayara T. Mendonça, et al. "Gibberellic Acid Utilization in Seeds and Plants of Beans: Effect on Growth and Seeds Physiological Quality." Journal of Agricultural Science 11, no. 2 (January 15, 2019): 541. http://dx.doi.org/10.5539/jas.v11n2p541.

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The growth regulators from gibberellins, when applied on plants, might improve physic and physiological features, stimulate cell division and elongation, this study aimed at evaluating the influence of gibberellic acid doses applied exogenously on bean crop through seed treatment, and analyzing its effects on morphological attributes of seedlings and physiological quality of the seeds produced. The experimental design was completely randomized design, with treatments corresponding to the doses: zero (distilled water only), 50, 100 and 200 mg L-1, arranged in four replicates. The use of gibbere

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Zhang, L., S. Rajapakse, R. E. Ballard, and N. C. Rajapakse. "Light Quality Regulation of Gene Expression in Chrysanthemum." HortScience 33, no. 3 (June 1998): 446c—446. http://dx.doi.org/10.21273/hortsci.33.3.446c.

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A major part of Clemson light quality research program focuses on understanding the mechanisms of plant growth alteration under spectral filters. We have extended this research to understand the molecular basis for plant height control by spectral filters. From the whole plant research we have found that gibberellins (GA) play a key role in height control under spectral filters. However, it is not clear whether an alteration of endogenous gibberellin levels or a change in sensitivity to gibberellins is causing the observed effects. Since gibberellins are a key hormone in cell expansion and flo

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Webber, J. E., S. D. Ross, R. P. Pharis, and J. N. Owens. "Interaction between gibberellin A4/7 and root-pruning on the reproductive and vegetative process in Douglas-fir. II. Effects on shoot elongation and its relationship to flowering." Canadian Journal of Forest Research 15, no. 2 (April 1, 1985): 348–53. http://dx.doi.org/10.1139/x85-056.

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Shoot elongation and female flowering response were assessed for gibberellin A4/7 (GA4/7) and root-pruning (RP) treatments in 9- and 10-year-old Douglas-fir (Pseudotsugamenziesii (Mirb.) Franco) seedlings of families with good- and poor-flowering histories. In families with a poor-flowering history, stem injections of GA4/7 significantly enhanced elongation of third-whorl terminal shoots but produced no flowering response. In families with a good-flowering history, GA4/7 treatment had no effect on shoot elongation but did result in a significant increase in seed-cone buds. In contrast, root-pr

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Novita, Aisar, Nini Rahmawati, Abdul Rahman Cemda, Silvia Nora, and Fitra Syawal Harahap. "The Effect of Gibberelin in Salin Soil on Growth of Vetiver (Vetiveria zizanioides L.)." Jurnal Pertanian Tropik 8, no. 1 (June 28, 2021): 33–37. http://dx.doi.org/10.32734/jpt.v8i1.6359.

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Salinity is one of the problems in agricultural land in the world, including in Indonesia. Vetiver is quite tolerant of planting in saline soils at a certain level of salinity, but vetiver growth is inhibited at high salinity levels. The purpose of this study was to evaluate the effect of gibberellin in saline soils on the growth and production of vetiver (Vetiveria Zizanioides L.). This research was conducted in the greenhouse of the Faculty of Agriculture, Universitas Sumatra Utara, Medan. This study used a non-factorial completely randomized design, It was salinity stress (S) which consiste

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Budiarto, Rahmat, Syariful Mubarok, Muhammad Achirul Nanda, Maulidan Nabiyyu, and Moh Haris Imron S. Jaya. "The Increase in Kaffir Lime Leaf Production Due to Gibberellin Is Diminished by Pruning." Horticulturae 9, no. 9 (September 9, 2023): 1018. http://dx.doi.org/10.3390/horticulturae9091018.

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Gibberellin regulates the flowering and fruiting response of fruit-oriented citrus, but there are a lack of studies on the methods for boosting the production of leaf-oriented citrus. This study aimed to analyze the effects of exogenous gibberellins and pruning on the leaf production of kaffir lime. Kaffir lime seedlings, grafted into rangpur lime, were arranged in a split-plot design under an open field condition. Four gibberellin concentrations (control, 0.005%, 0.01%, and 0.02%) and two pruning levels (no pruning and pruning at 30 cm main stem) were subjected to selected seedlings. The resu

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Swiegers, Hendrik Willem, Barbara Karpinska, Yan Hu, Ian C. Dodd, Anna-Maria Botha, and Christine H. Foyer. "The Effects of High CO2 and Strigolactones on Shoot Branching and Aphid–Plant Compatibility Control in Pea." International Journal of Molecular Sciences 23, no. 20 (October 12, 2022): 12160. http://dx.doi.org/10.3390/ijms232012160.

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Elevated atmospheric CO2 concentrations (eCO2) regulate plant architecture and susceptibility to insects. We explored the mechanisms underpinning these responses in wild type (WT) peas and mutants defective in either strigolactone (SL) synthesis or signaling. All genotypes had increased shoot height and branching, dry weights and carbohydrate levels under eCO2, demonstrating that SLs are not required for shoot acclimation to eCO2. Since shoot levels of jasmonic acid (JA) and salicylic acid (SA) tended to be lower in SL signaling mutants than the WT under ambient conditions, we compared pea aph

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Mulyanti, Dewi Yana, and Lukman Martunis. "Jicama Seed Response After Administering Auxiliary Hormones and Gibberellins." Jurnal Biologi Tropis 23, no. 1 (January 14, 2023): 273–79. http://dx.doi.org/10.29303/jbt.v23i1.4656.

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Plant growth and development is influenced by hormones, which are chemical compounds that are synthesized in a part of the organs that are distributed to the organs, and play a special role at low doses or are slightly able to stimulate plant growth, development and metabolic processes. One of the plants that need growth regulators or hormones for growth and development is Jicama. The aim of the study was to see the response of jicama seeds after administration of auxin and gibberellin hormones. This study used a factorial Randomized Block Design (RBD), namely the first factor of the Auxin hor

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Jazuli, MI, SN Aini, and NS Khodijah. "PEMANFAATAN GIBERELIN UNTUK MEMACU PERTUMBUHAN DAN PRODUKSI MELON MENGGUNAKAN HIDROPONIK SISTEM SUMBU." Jurnal Bioindustri 4, no. 1 (November 30, 2021): 1–11. http://dx.doi.org/10.31326/jbio.v4i1.1220.

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Melon production has decrease due to decreasing agriculture land area. An effort to increases melon production can be done by cultivating melons using a hydroponic system. Gibberellins can be used to increase melon production in Bangka Belitung. This research aims to determine the effect and gibberellin doses that has increase melon growth and production which cultivated using hydroponic wick system. This research was conducted from January to April 2020 at the Research and Experimental Station, Faculty of Agriculture, Fisheries and Biology, Universitas Bangka Belitung. The experimental design

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Gökbayrak, Zeliha, Hakan Engin, Arda Akçal, and Hatice Kiraz. "Pollen of Arbutus unedo: Effects of plant growth regulators." Botanica Serbica 44, no. 1 (2020): 55–59. http://dx.doi.org/10.2298/botserb2001055g.

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Arbutus unedo is a species mainly used for landscaping purposes and lately for honey production. Its antioxidant characteristics have also been a subject of of research interest. The germination of pollen grains freshly collected from flowers was tested in vitro, and 30% sucrose gave the highest pollen germination. Subsequently, three growth regulators belonging to the categories of gibberellins and brassinosteroids [24-epibrassinolide (Ebl) and 22S,23S-homobrassinolide (Hbl)] were added to the growth medium singly or in double combinations (gibberellin + brassinosteroid), and the petri dishes

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Miceli, Alessandro, Alessandra Moncada, Leo Sabatino, and Filippo Vetrano. "Effect of Gibberellic Acid on Growth, Yield, and Quality of Leaf Lettuce and Rocket Grown in a Floating System." Agronomy 9, no. 7 (July 16, 2019): 382. http://dx.doi.org/10.3390/agronomy9070382.

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Gibberellins (GAs) are growth hormones strongly involved in a wide variety of physiological activities. Currently, gibberellins are commercially used to enhance phenotypic characteristics, earliness, and productivity of many vegetable and ornamental crops. In this work, the efficacy of supplementation of low levels of gibberellic acid (0, 10−8, 10−6, and 10−4 M GA3) through the mineral nutrient solution of a floating system on yield and quality of leaf lettuce and rocket plants was tested. The marketability of plants was lost when 10−4 M GA3 was added to the mineral nutrient solution. This stu

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Nabila, Annisa, Rita Hayati, and Marai Rahmawati. "Pengaruh Konsentrasi dan Pewiwilan terhadap Pertumbuhan dan Hasil Tanaman Tin (Ficus carica L.)." Jurnal Ilmiah Mahasiswa Pertanian 7, no. 4 (November 13, 2022): 128–34. http://dx.doi.org/10.17969/jimfp.v7i4.22352.

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Abstrak. Penelitian ini bertujuan untuk mengetahui pengaruh konsentrasi giberelin dan pewiwilan serta interaksi antara kedua perlakuan tersebut terhadap pertumbuhan dan produksi tanaman tin. Penelitian ini dilakukan pada bulan Oktober 2021 sampai Desember 2021 dirumah kaca II Fakultas Pertanian, Universitas Syiah Kuala, Darussalam, Banda Aceh. Rancangan Acak Kelompok Faktorial (RAKF) digunakan dalam penelitian ini dengan pola split plot 3x2 dengan 4 ulangan terdiri dari 2 faktor yaitu konsentrasi giberelin sebagai petak utama dengan tingkat konsentrasi 100, 200, 300 ppm dan pewiwilan sebagai a

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Nanda Raja P.C. Manullang, Rosita Sipayung, and Haryati. "The Effect of Immersion Time at Initial Water Temperature of 50°C and Gibberellin Concentration on Viability of Arabica Coffee Seeds (Coffea arabica L.)." JURNAL ONLINE AGROEKOTEKNOLOGI 10, no. 1 (November 12, 2022): 33–38. http://dx.doi.org/10.32734/joa.v10i1.10202.

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                  The coffee nursery process takes a relatively long time hence it can affect the production period of coffee plants because of it a seed treatment is needed before planting i.e. immersion with the initial water temperature and in the gibberellin solution. This research aim was to obtain the immersion time of the seeds at the initial water temperature of 50°C and the optimal gibberellins concentration to increase the viability of Arabica coffee seeds. The method used was

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Tarigan, Sri Murti, Eka Bobby Febrianto, and Lufy Andria Cik. "PENGARUH KONSENTRASI GIBERELIN (GA3) DENGAN WAKTU APLIKASI SEBELUM PANEN TERHADAP MUTU FISIK TANDAN BUAH SEGAR KELAPA SAWIT (Elaeis guineensis Jacq.)." Jurnal Agro Fabrica 1, no. 2 (December 16, 2019): 62–70. http://dx.doi.org/10.47199/jaf.v1i2.106.

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Physical damage to fruit on oil palm fresh fruit bunches due to harvest and postharvest activities include injured fruit mesocarp, fruit weight loss, and loss in fruit bunches. One of the postharvest handlings that can maintain the physical quality of the fruit is by giving gibberellins (GA3). This research aims to determine the effect of the concentration of gibberellins (GA3) whit application time before harvest on the physical quality of postharvest oil palm fresh fruit bunches. The research was conducted at Afdeling VI Garden Cot Girek PT. Perkebunan Nusantara I and in the Cot Girek Palm O

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Pizarro, Alberto, and Carmen Díaz-Sala. "Effect of polar auxin transport and gibberellins on xylem formation in pine cuttings under adventitious rooting conditions." Israel Journal of Plant Sciences 67, no. 1-2 (February 25, 2020): 27–39. http://dx.doi.org/10.1163/22238980-20191120.

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Maturation-related decline of adventitious root formation is one of the major factors affecting adventitious rooting in forest tree species. We demonstrate that inhibition of polar auxin transport promoted cambium and xylem differentiation in rooting-competent hypocotyl cuttings from Pinus radiata under conditions of adventitious root formation. Treatments with bioactive gibberellins inhibited rooting while at the same time inducing both the differentiation of a continuous ring of cambium and xylem formation. Treatments with inhibitors of gibberellin biosynthesis did not affect the rooting res

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Rizky, Sarah Afrita, Mardhiah Hayati, and Marai Rahmawati. "INISIASI PEMBENTUKAN BUAH MENTIMUN (Cucumis sativus L.) VARIETAS MERCY F1 SECARA PARTENOKARPI AKIBAT KONSENTRASI GIBERELIN DAN DOSIS PUPUK KALIUM." Jurnal Ilmiah Mahasiswa Pertanian 6, no. 3 (August 1, 2021): 1–8. http://dx.doi.org/10.17969/jimfp.v6i3.17559.

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Penelitian ini bertujuan untuk mengetahui pengaruh konsentrasi giberelin dan dosis pupuk kalium, serta interaksi keduanya terhadap pertumbuhan dan hasil tanaman mentimun varietas Mercy F1 secara partenokarpi. Penelitian ini dilaksanakan di lahan kebun Gampong Ilie-Ulee Kareng-Banda Aceh, Laboratorium Fisiologi Tumbuhan dan Laboratorium Hortikultura Fakultas Pertanian Universitas Syiah Kuala. Rancangan yang digunakan adalah Rancangan Acak Kelompok pola faktorial 4 x 3 dengan 3 ulangan. Faktor yang diteliti yaitu konsentrasi giberelin (Kontrol, 100, 200 dan 300 ppm) dan dosis pupuk kalium (Kontr

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Zairina, Farah, Marai Rahmawati, and Mardhiah Hayati. "Pengaruh Konsentrasi Giberelin Terhadap Pertumbuhan Dan Hasil Beberapa Varietas Bawang Merah (Allium ascalonicum L.)." Jurnal Ilmiah Mahasiswa Pertanian 7, no. 2 (May 1, 2022): 102–10. http://dx.doi.org/10.17969/jimfp.v7i2.20155.

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Bawang merah memiliki harga jual yang tinggi di pasaran. Penggunaan giberelin pada beberapa varietas bawang merah merupakan faktor pendukung dalam berhasilnya budidaya bawang merah. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh dari kedua faktor yang diteliti yaitu konsentrasi giberalin dan varietas, serta interaksi antara kedua faktor tersebut. Pelaksanaan penelitian dilakukan di Kebun Percobaan dua dan Laboratorium Hortikultura, Fakultas Pertanian, Universitas Syiah Kuala dari Juni hingga Agustus 2021. Rancangan penelitian menggunakan Rancangan Acak Kelompok faktorial 3 x 3 den

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Vattiprolu, N. M. R., D. J. Woolley, and B. M. van Hooijdonk. "EFFECT OF GIBBERELLINS AND ANTI-GIBBERELLINS ON THE VEGETATIVE GROWTH OF 'HAYWARD' KIWIFRUIT (ACTINIDIA DELICIOSA)." Acta Horticulturae, no. 913 (November 2011): 433–39. http://dx.doi.org/10.17660/actahortic.2011.913.58.

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Eunice, Monthe, Ndiso James, Gogo Elisha Otieno, and Muti Simon. "Effects of Auxin and Gibberellins Hormones on Regeneration of Pineapple Propagules from Crown Leaves (with Buds) in Kilifi County Kenya." Journal of Agriculture and Ecology Research International 25, no. 1 (February 2, 2024): 97–107. http://dx.doi.org/10.9734/jaeri/2024/v25i1575.

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Kilifi county has a large potential of over 2,000 Ha suitable for pineapple cultivation that has not been fully exploited due to lack of adequate clean planting material. Thus, the aim of the study was to evaluate the effects of auxin and gibberellin hormones on regeneration of pineapple propagules from pineapple crown leaves (with buds). The study was carried out at Pwani University Crop Science farm. A randomized complete block design with split plot arrangement replicated thrice was used. Treatments included auxin and gibberellins hormones where the cut crown leaves (with buds) were dipped

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45

Alwan, Samer Hussein, Mazen Amer Owen, Omar Arshad Omar, and Ziad Khalaf Salih. "Effect of Biochar Application and Foliar Application of Gibberellin and Cytokinin on Growth and Flowering of Chinese Carnations Dianthus chinensis." IOP Conference Series: Earth and Environmental Science 1158, no. 4 (April 1, 2023): 042016. http://dx.doi.org/10.1088/1755-1315/1158/4/042016.

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Abstract The experiment was carried out in the Horticulture Department and Landscaping, College of Agriculture, Tikrit University, during the Agricultural season 2021-2022 to study the response of Chinese carnation to biochar and growth regular carried out with two factors Add biochar at two levels without adding and adding 10 g under the seedlings, the second factor was spraying with gibberellin and cytokinin growth regulators at four levels (no spray, spraying-1 with gibberellin at a concentration of 100 mg L-1 Cytokine spray at a concentration of 100 mg. Liter-1 and spraying with a mixture

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Kusnaini, Kusnaini, Hasanuddin Hasanuddin, and Syamsuddin Syamsuddin. "Pengaruh Perlakuan Benih Menggunakan Giberelin (GA3) Terhadap Viabilitas dan Vigor Benih Terung Belanda (Chyphomandra betaceae sendt)." Jurnal Ilmiah Mahasiswa Pertanian 7, no. 4 (November 13, 2022): 7–10. http://dx.doi.org/10.17969/jimfp.v7i4.21401.

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Abstrak. Benih terung belanda memiliki dormansi fisiologis, yaitu dimana adanya faktor penghambat yang dapat mencegah terjadinya proses perkecambahan yang terjadi. Metode yang dapat dilakukan untuk mengatasi dormansi fisiologi yaitu dengan pengaplikasian larutan yang mengandung giberelin. Tujuan penelitian untuk mengetahui dampak perlakuan benih menggunakan giberelin terhadap viabilitas dan vigor benih terung. Penelitian ini menggunakan rancangan acak lengkap (RAL) dengan kosentrasi giberelin sebagai faktor tunggal, terdiri dari kosentrasi 0- 100 ppm. Kosentrasi 50 ppm giberelin berpengaruh ny

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Roberts, A. V., P. S. Blake, R. Lewis, J. M. Taylor, and D. I. Dunstan. "The Effect of Gibberellins on Flowering in Roses." Journal of Plant Growth Regulation 18, no. 3 (November 1999): 113–19. http://dx.doi.org/10.1007/pl00007058.

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Luat, Andreas, Yusnaeni Yusnaeni, and Andam S. Ardan. "The effect of giving gibberellin at different concentrations on the elongation of palm oil palm oil (borrassus flabelifer)." Gema Wiralodra 14, no. 3 (October 21, 2023): 1275–80. http://dx.doi.org/10.31943/gw.v14i3.433.

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This research has been carried out in the greenhouse of BAPEDALDA NTT. The method used was an experimental method with a completely randomized design consisting of 4 (four) treatments, namely control (G0), giving gibberellin 100 ppm (G1), gibberellin 200 ppm (G2), and gibberellin 300 ppm (G3), each treatment consisted of 4 (four) replications so that the total experimental unit was 16 units. The parameters of this study were apokol elongation and the percentage of palmyra growth. The data obtained were analyzed using analysis of variance (ANOVA), and continued with the honest significant diffe

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Strack, Z., R. Karwowska, and E. Kraszewska. "The effect of several stress conditions and growth regulators on photosynthesis and translocation of assimilates in the bean plant." Acta Societatis Botanicorum Poloniae 44, no. 4 (2015): 567–88. http://dx.doi.org/10.5586/asbp.1975.052.

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Studies were performed on young bean plants, grown in water culture. The effect of salt stress, X-flays and flooding on growth, photosynthesis and translocation of assimilates was investigated. Salt stress (NaCl and Na<sub>2</sub>SO<sub>4</sub>), especially at - 4.5 atm. of water potential, depressed all the mentioned processes, but most dramatically - photosynthesis. Export of photosynthetes from the blades decreased. Salt stress not only reduced the rate of translocation, but also influenced the pattern of <sup>14</sup>C-distoibution, especially inhibited

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Nowak, Tomasz J. "Effect of gibberellin, auxin and kinetin treatments combined with foliar applied NPK on the yield of Capsicum annuum L. fruits and their capsaicin content." Acta Agrobotanica 33, no. 1 (2013): 81–92. http://dx.doi.org/10.5586/aa.1980.007.

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The Wrocław version of hydroponic culture was applied. Under optimal conditions of root fertilization the plants were sprayed with growth regulators sueh as gibberellins, auxins and kinetins, and .their mixtures. Each growth regulator treatment was applied with or without NPK added. The influence of these treatments on the fresh and dry weight of the fruit, percentage of ripe fruits and content and yield of capsaicin was studied. The highest yield of fruits and capsaicin. was obtained from plants sprayed with gibberellic acid and kinetin (in concentrations of 10 and 5 mg/l, respectively) toget

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