Impacts of Foliar Spraying of Maternal Plant by Different Fungicide on Health, Germination, and Vigor of Soybean Seeds

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GORZIN MORTEZA; GHADERI FAR FARSHID; RAZAVI SEYED ESMAEIL

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Journal: JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE) Year:2019 | Volume:21 | Issue:2 Page(s): 167-180

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Title

Impacts of Foliar Spraying of Maternal Plant by Different Fungicide on Health, Germination, and Vigor of Soybean Seeds

Author(s)

GORZIN MORTEZA | GHADERI FAR FARSHID | RAZAVI SEYED ESMAEIL | Issue Writer Certificate

Keywords

Alternaria sp.Q1

Fusarium sp.Q2

relative humidityQ2

seed qualityQ3

temperatureQ2

Abstract

In order to investigate the impacts of different fungicide spraying treatments on soybean seed quality (cv. Katoul), the present article carries out a split plot experiment in a randomized complete block design with three replications in research field of Gorgan University of Agricultural Science and Natural Resources during 2016. The main plots entail both spring-time (May 28) and summer-time (July 10) planting dates, while the sub ones include spraying with various fungicides such as benomyl, mancozeb, propiconazole, methyl thiophanate, and carbendazim, along with the control in two stages R3 and R6. Germination, accelerated aging, electrical conductivity, and seed health tests have been used to evaluate the quality of seeds. Two fungi Alternaria sp. and Fusarium sp. spread have been observed in seed lots, though with lower prevalence for Fusarium sp. (below 7%). Therefore, seed health is most affected by Alternaria sp. . The percentage of healthy seeds in spring sowing date has been 21. 48% higher than summer sowing date, with all used fungicides (especially propiconazole and methyl thiophanate) significantly increasing the health, germination, and vigor of the seeds, compared to the control. The produced seeds in summer planting, while having more fungal infection, display higher seed germination and vigor than seeds of spring crops, due to the exposure of seed development stages (R5-R8) to low temperatures. As a matter of fact, air temperature during seed development stages has been more important when determining seed germination and vigor, in comparison to pathogens. Therefore, in order to achieve high seed quality, it is appropriate to have summer planting accompanied by suitable fungicides such as propiconazole and methyl thiophanate at R3 and R6 growth stages.

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APA: Copy

GORZIN, MORTEZA, GHADERI FAR, FARSHID, & RAZAVI, SEYED ESMAEIL. (2019). Impacts of Foliar Spraying of Maternal Plant by Different Fungicide on Health, Germination, and Vigor of Soybean Seeds. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), 21(2 ), 167-180. SID. https://sid.ir/paper/209479/en

Vancouver: Copy

GORZIN MORTEZA, GHADERI FAR FARSHID, RAZAVI SEYED ESMAEIL. Impacts of Foliar Spraying of Maternal Plant by Different Fungicide on Health, Germination, and Vigor of Soybean Seeds. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE)[Internet]. 2019;21(2 ):167-180. Available from: https://sid.ir/paper/209479/en

IEEE: Copy

MORTEZA GORZIN, FARSHID GHADERI FAR, and SEYED ESMAEIL RAZAVI, “Impacts of Foliar Spraying of Maternal Plant by Different Fungicide on Health, Germination, and Vigor of Soybean Seeds,” JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), vol. 21, no. 2 , pp. 167–180, 2019, [Online]. Available: https://sid.ir/paper/209479/en

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