Which disease of plant is known as ring disease ?
AWilt of potato
BBlack arm of cotton
CCitrus Canker
DNone of the above
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Related Questions:
Planets do not twinkle because?
Which element is depleted most from the soil after crop is harvested?
How do most minerals enter the root?
What changes take place in the guard cells that cause the opening of stomata?
Which of the following statements are correct about herbarium?
- It is a store house of collected plant specimens that are dried and preserved on sheets.
- Herbarium sheets contain information about date and place of collection, names, family, collector’s name, etc.
- It serves as quick referral systems in taxonomical studies.
- All of the above