The Ranikhet disease affects:

The active principle causing “sorghum poisoning” is 

Which of the following microbes involve in the nitrification process?

The biggest or greatest amount of involvement in a foreign market comes through which of the following?

Which among the following statement is true about Abscisic acid (ABA) ?

Concept of allelopathy was given by

Give the chronological order in the development of following herbicides

A. Atrazine

B. 2, 4-D

C. Bispyribac Sodium

This tree has large colourful flowers, but its wood is not hard and is prone to branch breakage due to softness, is

Identify the artificial growth inhibitor from below.