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Academic literature on the topic 'Zinc deficiency diseases in plants. Corn'
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Journal articles on the topic "Zinc deficiency diseases in plants. Corn"
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Levy, Y., and K. Tal. "The effect of water deficiency in corn plants on the development of three corn diseases." Phytoparasitica 13, no. 2 (June 1985): 141–44. http://dx.doi.org/10.1007/bf02980892.
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Alsamir, Muhammed, Esraa Al Samir, T. A. Kareem, Mohammed Abass, and Richard Trethowan. "The application of zinc fertilizer reduces Fusarium infection and development in wheat." JULY 2020, no. 14(7):2020 (July 20, 2020): 1088–94. http://dx.doi.org/10.21475/ajcs.20.14.07.p2235.
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Fusarium pseudograminearum and Fusarium graminearum commonly cause crown rot (FCR) and head blight (FHB) in wheat, respectively. Disease infection and spread can be reduced by the deployment of resistant cultivars or through management practices that limit inoculum load. Plants deficient in micronutrients, including zinc, tend to be more susceptible to many diseases. On the other hands, and zinc deficiency in cereals is widespread in Australian soils. Zinc deficiency may have particular relevance to crown rot, the most important and damaging Fusarium disease of wheat and barley in Australia. Four wheat genotypes; Batavia, Sunco and two lines from the International Maize and Wheat Improvement Center (CIMMYT) were tested for response to FHB and FCR under differing levels of Zn,1 and 2 g/kg and its correlation with disease severity. Sunco and CIMMYT line 146 were previously rated resistant to crown rot and Zn efficient. Zn application 2 g/kg soil enhanced resistance to FCR of the disease susceptible and Zn in-efficient in Batavia and 48 as its recorded 0.75 and 0.5 respectively compared to Sunco and CIMMYT line 146 as it recorded 0.2 and 0.3 respectively, but did not increase resistance to FHB. However, Zn application did enhance the resistance of Zn efficient genotypes to FHB. Results suggest that higher levels of Zn fertilization could reduce the expression of Fusarium diseases in wheat.
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Karki, Kasmita, Tim Coolong, Chandrasekar Kousik, Aparna Petkar, Brendon K. Myers, Abolfazl Hajihassani, Mihir Mandal, and Bhabesh Dutta. "The Transcriptomic Profile of Watermelon Is Affected by Zinc in the Presence of Fusarium oxysporum f. sp. niveum and Meloidogyne incognita." Pathogens 10, no. 7 (June 23, 2021): 796. http://dx.doi.org/10.3390/pathogens10070796.
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Zinc (Zn) accumulation and deficiency affect plant response to pests and diseases differently in varying pathosystems. The concentrations of Zn in plants aid in priming defense signaling pathways and help in enhanced structural defenses against plant pathogens. Studies are lacking on how concentrations of Zn in watermelon plants influence defense against two important soil-borne pathogens: Fusarium oxysporum f. sp. niveum (FON) and southern root-knot nematode (RKN, Meloidogyne incognita). In this study a comparative transcriptomics evaluation of watermelon plants in response to high (1.2 ppm) and low (0.2 ppm) levels of Zn were determined. Differential transcript-level responses differed in watermelon plants when infected with FON or RKN or both under high- and low-Zn treatment regimes in a controlled hydroponics system. Higher numbers of differentially expressed genes (DEGs) were observed in high-Zn-treated than in low-Zn-treated non-inoculated plants, in plants inoculated with FON alone and in plants inoculated with RKN alone. However, in the co-inoculated system, low-Zn treatment had higher DEGs as compared to high-Zn treatment. In addition, most DEGs were significantly enriched in hormone signal transduction and MAPK signaling pathway, suggesting an induction of systemic resistance with high-Zn concentrations. Taken together, this study substantially expands transcriptome data resources and suggests a molecular potential framework for watermelon-Zn interaction in FON and RKN.
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Rácz, Dalma Emese, and László Radócz. "The impact of applying foliar fertilizers on the health condition of maize." Acta Agraria Debreceniensis, no. 1 (May 20, 2020): 105–9. http://dx.doi.org/10.34101/actaagrar/1/3769.
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The nutrient supply of plants is becoming more important in plant protection since the appropriate condition of plants can be ensured by optimal and satisfactory nutrient supply to avoid nutritional deficiency diseases. Due to the extreme weather conditions, plants are forced to face several stress factors, which leads to deterioration of the plant health. The increasing occurrence of droughts poses threat to nutrient uptake through the roots since all the nutrients can be accessible to the plants only if they are in dissolved form in the soil – which is not possible in the absence of water. Therefore, the importance of foliar fertilizer is becoming a more and more significant part of the nutrient supply, because with the help of this technology the development of any nutrient deficiency can be prevented.
In this experiment, we focused on the efficiency of two different foliar fertilizers on maize. Foliar fertilizers were applied two times, once in the stage with 8 leaves and tasseling phenophase of the maize. To verify the efficiency of the foliar fertilizers, the chlorophyll content of untreated and treated plant’s leaves was measured after each application. Moreover, the length and diameter of maize cobs, thousand kernel weight, protein, oil and starch content were also measured, and the results were compared to the untreated (control) ones. According to the results, in all aspects significant differences were observed and due to the laboratory analysis of leaves, in the case of magnesium and zinc supply the foliar fertilizers were able to prevent the development of nutrient deficiency.
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Tafij, M. D., V. І. Nikolaichuk, and V. J. Belchhazi. "Effect of zinc salt solutions on the development of chlorophyll and formation of seeds of maize hybrids." Biosystems Diversity 24, no. 2 (July 29, 2016). http://dx.doi.org/10.15421/011639.
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Zinc as an element is considered as one of the most limiting nutrients for crop production, mainly for cereals in the arid areas of the world. The article explores the impact of zinc salts at different concentrations on the course of physiological biochemical processes, germination and development of nine investigated hybrids of maize. In particular, we investigate how zinc nitrate solutions influence physiological biochemical processes of different maize hybrids. It is established that high concentration of zinc salt solution can arrest or inhibit processes of plants growth, exerting an effect typical of heavy metals. The influence of 0.01% and 0.02% of zinc nitrate aqueous solution on the content of chlorophyll and number of seeds on the stalks of different corn hybrids was studied. The results of experiments in which germinating seeds were placed in Petri dishes containing 0.01% and 0.02% nitrate zinc solutions showed that zinc in these quantities stimulates the synthesis of chlorophyll in the leaves in all studied hybrids, thereby stimulating plant growth. Thereafter, low concentrations of salt solutions of the same element stimulated all development processes. Zinc enters the active enzyme centers and participates directly in chlorophyll synthesis. The spray of solutions as foliar fertilizers at critical stages of corn growth increases the number of seeds, the diameter and length of stalk in the early ripening hybrids group, compared with the control. It was shown that lack of zinc affects the formation of seeds. The results of the field experiments showed that corn foliar feeding with 0.01% sodium nitrate increased productivity of the studied hybrids. Symptoms of zinc deficiency develop throughout the whole plant or are localized on the old lower leaves. At first, brownish grey and purple-coloured spots appear on the leaves of the lower and middle layers and then spread over the rest of the plant. The tissue of the areas like these simply dies off. Zinc deficiency had a negative effect on seeds production. From the results of experiments it follows that there are fluctuation of chlorophyll in maize hybrids when germinated in 0.01% and 0.02% salts solutions of zinc nitrate, and that the resistance of the plants to fungus and bacterial infections is strengthened when their seeds are previously treated with nitric acid zinc at 0.01% concentration.
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Romero, Antonia M., Mar Martínez-Pastor, Gang Du, Carme Solé, María Carlos, Sandra V. Vergara, Nerea Sanvisens, et al. "Phosphorylation and Proteasome Recognition of the mRNA-Binding Protein Cth2 Facilitates Yeast Adaptation to Iron Deficiency." mBio 9, no. 5 (September 18, 2018). http://dx.doi.org/10.1128/mbio.01694-18.
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ABSTRACT Iron is an indispensable micronutrient for all eukaryotic organisms due to its participation as a redox cofactor in many metabolic pathways. Iron imbalance leads to the most frequent human nutritional deficiency in the world. Adaptation to iron limitation requires a global reorganization of the cellular metabolism directed to prioritize iron utilization for essential processes. In response to iron scarcity, the conserved Saccharomyces cerevisiae mRNA-binding protein Cth2, which belongs to the tristetraprolin family of tandem zinc finger proteins, coordinates a global remodeling of the cellular metabolism by promoting the degradation of multiple mRNAs encoding highly iron-consuming proteins. In this work, we identify a critical mechanism for the degradation of Cth2 protein during the adaptation to iron deficiency. Phosphorylation of a patch of Cth2 serine residues within its amino-terminal region facilitates recognition by the SCFGrr1 ubiquitin ligase complex, accelerating Cth2 turnover by the proteasome. When Cth2 degradation is impaired by either mutagenesis of the Cth2 serine residues or deletion of GRR1, the levels of Cth2 rise and abrogate growth in iron-depleted conditions. Finally, we uncover that the casein kinase Hrr25 phosphorylates and promotes Cth2 destabilization. These results reveal a sophisticated posttranslational regulatory pathway necessary for the adaptation to iron depletion. IMPORTANCE Iron is a vital element for many metabolic pathways, including the synthesis of DNA and proteins, and the generation of energy via oxidative phosphorylation. Therefore, living organisms have developed tightly controlled mechanisms to properly distribute iron, since imbalances lead to nutritional deficiencies, multiple diseases, and vulnerability against pathogens. Saccharomyces cerevisiae Cth2 is a conserved mRNA-binding protein that coordinates a global reprogramming of iron metabolism in response to iron deficiency in order to optimize its utilization. Here we report that the phosphorylation of Cth2 at specific serine residues is essential to regulate the stability of the protein and adaptation to iron depletion. We identify the kinase and ubiquitination machinery implicated in this process to establish a posttranscriptional regulatory model. These results and recent findings for both mammals and plants reinforce the privileged position of E3 ubiquitin ligases and phosphorylation events in the regulation of eukaryotic iron homeostasis.
Dissertations / Theses on the topic "Zinc deficiency diseases in plants. Corn"
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Streeter, Tania C. "Role of Zn nutritional status on infection of Medicago species by Rhizoctonia solani /." Title page, contents and abstract only, 1998. http://web4.library.adelaide.edu.au/theses/09APSP/09apsps915.pdf.
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Wheal, Matthew Simon. "The influence of chlorsulfuron on the uptake and utilization of zinc by wheat /." Title page, table of contents and summary only, 1996. http://web4.library.adelaide.edu.au/theses/09PH/09phw556.pdf.
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Singbo, Arnaud. "The effect of zinc and soil ph on grain yield and nutrient concentrations in spring wheat cultivated on potted soil." Thesis, Cape Peninsula University of Technology, 2018. http://hdl.handle.net/20.500.11838/2845.
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Thesis (MTech (Agriculture))--Cape Peninsula University of Technology, 2018.Zinc deficiency on various soil types have been reported in arable soils of sub Saharan Africa (SSA) including South Africa. A pot trial was conducted at the Cape Peninsula University of Technology, Wellington campus to investigate the interaction of different application rates of Zn at various soil pH on the grain yield and quality of spring wheat in a completely randomized factorial design replicated three times. The four soil pH tested were: pHA: 5.1, pHB: 5.6, pHC: 6.1, pHD: 6.6 which correspond to lime application at 0, 0.5, 1 and 1.5 t/ha. Five Zn rates (Zn1: 3.5; Zn2: 4.5; Zn3: 5.5 Zn4: 6.5, and Zn5: 7.5 mg /kg soil which correspond to Zn1: 7; Zn2: 9; Zn3: 11; Zn4: 13 and Zn5: 15 kg /ha) were applied at two (planting and flowering) growth stages. Yield and yield component data collected were analyzed using SAS version 9.2 and means were separated by Duncun’s Multiple Range Test (DMRT). The results showed that grain yield and yield components were significantly affected by lime application pHC (6.1): 1t/ha at planting. Zn application at planting had no significant effect on the grain yield and yield components. However, at flowering, the simultaneous increase of Zn along with increase in lime positively affected grain yield and yield components. Plant analysis showed that at both stages (planting and flowering), Zn application, especially at pH 6.6, significantly increased P, K, Ca, Na, Mg Fe, Cu and B concentrations in wheat grain, but the concentrations of N, Mn, Zn and protein remained unaffected. Zn application had no effect on most nutrients due to the presence of lime. While the absence of lime, Zn4: 6.5mg/kg (corresponding to 13kg/ha) significantly increased the nutrients. In addition, Zn3: 5.5mg/kg (corresponding to 11kg/ha) promoted Zn absorption by grain in all treatments.
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Streeter, Tania C. (Tania Clare). "Role of Zn nutritional status on infection of Medicago species by Rhizoctonia solani / Tania C. Streeter." 1998. http://hdl.handle.net/2440/22460.
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Bibliography: leaves 218-233.xiii, 233 leaves : ill. ; 30 cm.
Title page, contents and abstract only. The complete thesis in print form is available from the University Library.
This thesis identifies a strong relationship between Zn nutrition of medics and severity of disease by R. solani (AG8) which may be a major factor contributing to the current decline in medic pastures observed in Australia. The effect of seed nutritional value had a profound impact on the growth of medics and may also be a key factor in poor medic growth.
Thesis (Ph.D.)--University of Adelaide, Dept. of Plant Science, 1998
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Dominy, Andrew Peter. "Studies of the micronutrients zinc, manganese and silicon in cucumbers (Cucumis sativus)." Thesis, 2010. http://hdl.handle.net/10413/7890.
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Zinc and manganese have long been considered as essential micronutrients to plant
growth, yet the interactions of the two nutrients on growth and development of plants have not
been elucidated in their entirety. Silicon is not classed as an essential element, but has been
found to improve growth of a number of crops, particularly of the Poaceae family.
A simple water culture hydroponic system was developed to monitor the growth and
development of a fruit crop (Cucumber – Cucumis sativus) under deficient, adequate and
excessive applications of zinc and manganese. Plant growth parameters were monitored including
leaf growth, plant height, plant fresh and dry mass, yield, fruit size and fruit mass. Nutrient uptake
was also measured using inductively coupled plasma emission spectroscopy, whilst chlorophyll
was determined spectrophotometrically. Plant nutrient analyses were also conducted using
inductively coupled plasma emission spectroscopy.
Silicon was found to have a beneficial effect on the growth of cucumbers and was
incorporated as a treatment for this crop along with zinc and manganese since foliar silicon sprays
were able to correct the occurrence of mineral deficiency symptoms. Along with plant growth
measurements, nutrient uptake, plant nutrient analysis and chlorophyll determination, plant
tissue was also analysed using transmission electron microscopy to establish the impact of silicon
applications on the cell ultra-structure of cucumbers. Electron micrographs showed an increased
presence of plasmodesmata in treatments excluding silicon. Such increased plasmodesmata
connections under silicon deficient conditions could increase translocation of cell solutes due to
reduced cell longevity.
Results also confirmed the essentiality of zinc and manganese on plant growth and
development as typical deficiency symptoms were observed. Typical toxicity symptoms were also
recorded. Rates of uptake of nutrients corresponded with leaf growth and enlargement as well as
yield. The chlorophyll concentration was not a clear indicator of nutrient application level.
Typically, manganese and zinc interacted with iron, magnesium, calcium and potassium, affecting
their uptake into the plant dependent on the level of manganese and zinc applied.
Although non-essential, silicon improved plant growth, but had neither a relationship with
the other nutrients evaluated nor affected the physical growth and development of the plants.
Manganese and zinc, as essential to plant growth and development, affect the visual appearance
of the plant as well as affect the plant biochemically due to their involvement in many growth and
development processes.Thesis (M.Sc.Agric.)-University of KwaZulu-Natal, Pietermaritzburg, 2010.
Books on the topic "Zinc deficiency diseases in plants. Corn"
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Tsur, Avri. Simane ḥeser ṿe-hafraʻot gidul be-tapuaḥ. [Israel]: Miśrad ha-ḥaḳlaʼut, Sherut ha-hadrakhah ṿeha-miḳtsoʻa, ha-Maḥlaḳah le-maṭaʻim, 1993.
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Ind.) Roundtable on Preventing and Correcting Sulphur Deficiencies in Corn (1996 Indianapolis. Proceedings: Roundtable on Preventing and Correcting Sulphur Deficiencies in Corn. Washington, D.C. (1140 Connecticut Ave., N.W., Suite 612, Washington 20036): Sulphur Institute, 1998.
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