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Effect of purple seed stain disease on physical and biochemical traits of soybean

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Title Effect of purple seed stain disease on physical and biochemical traits of soybean
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Creator GIRISH KUMAR GUPTA, SUSHIL KUMAR Sharma, VINEET KUMAR, RAJKUMAR RAMTEKE
 
Subject Cercospora kikuchii, emergence, germination, purple seed stain, soybean
 
Description Not Available
Healthy (asymptomatic) and various categories of purple stained seeds of cultivar NRC 7 were utilized
to study influence of purple stain disease caused by Cercospora kikuchii on physical and biochemical
parameters of soybean seeds. Results indicated that C. kikuchii infected seeds exhibited marked
reduction in germination and emergence when 25 per cent or more surface area of seed was stained.
Post-emergence mortality was caused when more than 50 per cent of seed area was stained. Single to
multiple cracks in seed coat were observed leading to prominent absence of hard seeds. Purple stain has
significantly reduced test weight, seed and root vigour, normal seedlings, root and seedling length,
speed of elongation and trifoliate leaves in seedlings, and increased dead seeds, abnormal seedlings and
electrical conductivity. Loss in seed yield was in the range of 36-80 per cent. It also reduced stearic acid,
palmitic acid, linoleic acid, linolenic acid, trypsin inhibitor and protein, and increased oleic acid as well
as oil content in seeds of soybean.
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Date 2021-01-30T10:07:43Z
2021-01-30T10:07:43Z
2014-01-01
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/45132
 
Language English
 
Relation Not Available;
 
Publisher Soybean Research