Khaira disease of rice is due to the deficiency of
A. K
B. Zn
C. Cu
D. Fe
Answer: Option B
Solution(By Examveda Team)
Khaira disease of rice is a micro-nutritional deficiency characterized by the presence of dusty brown patches on leaves which ultimately undergo necrosis. This is one of the common diseases in rice which is caused by the deficiency of Zinc (Zn).Khaira disease affects the leaf of the plant. The rate of photosynthesis decreases which ultimately causes 25 - 30% production loss.
Related Questions on Soil Science
Which one is the most important among Amphibloes
A. Hornblend
B. Tremolite
C. Diopsite
D. Actinolite
Sources of negative charges on silicate clays is/are
A. Exposed crystal edges
B. Isomorphus substitution
C. Anion exchange
D. All of these
The most conspicuous chemical change that take place when soil is flooded is reduction of
A. Fe
B. P
C. S
D. None of these
Join The Discussion