Effect of plant populations and varieties on Myrothecium leaf-spot (Myrothecium roridum) of soybean (Glycine max)
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Authors
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S.K. SRIVASTAVA, P.P. SINGH and S.U. KHAN
Iawaharlal Nehru Krishi Vishwa Vidyalaya Campus Sehore 466 001 Madhya Pradesh
Keywords:
Myrothecium roridum, plant population, soybeanAbstract
During the rainy seasons of 1990 and 1991 the effect of plant population levels (0.2, 0.4, 0.6 and 0.8 million/ha) and varietal reactions on Myrothecium leaf spot of soyabean (caused by M. roridum) was investigated in Madhya Pradesh, India. Disease intensity was significantly less at plant population levels of 0.2 million/ha. Of the 10 tested varieties JS-81-303, JS 81-1619 and JS 81-335 were the most resistant. The interaction between variety and population had a non-significant effect on disease intensity.
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