Which one of the following disease not induce floral abnormalities
A. Downey mildew of mustard
B. Green ear of bajra
C. White rust of crucifers
D. None of these
Answer: Option A
Solution(By Examveda Team)
Downey mildew of mustard does not induce floral abnormalities whereas all the other diseases among the given options like Green ear of Bajra and white rust of crucifers induce floral abnormalities in them.Downey mildew is caused by the fungus-like organism Peronospora parasitica. Infection occurs when soil-borne resting structures called oospores germinate and produce sporangia under moist, cool conditions. It affects leaves as light green or slightly chlorotic lesions that become yellow or necrotic after sporulation.
Related Questions on Agronomy
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
Join The Discussion