Psidic acid is found in root exudates of
A. Psidium guajava
B. Pearl millet
C. Red Gram
D. Soybean
Answer: Option C
A. Psidium guajava
B. Pearl millet
C. Red Gram
D. Soybean
Answer: Option C
Downy Mildew of Bajra caused by
A. C. fusiformis
B. S. graminicola (Sclerospora)
C. T. penicillica
D. All of the above
The criteria of essentiality of nutrients in plants was given by
A. D. J. Nicholas
B. Arnon and Stout
C. J. S. Kanwar
D. M. S. Swaminathan
A. Manganese
B. Boron
C. Zinc
D. Iron
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