Single-season rice bacterial base rot control

Symptoms of bacterial root rot: The heart and leaves of the bacteria are easy to pull up, the base of the stem is yellow, and the roots are dark and smelly. Severely diseased leaves are wilted and curled, and finally yellow, resembling the "dry heart" caused by locusts. Diseased plants easily Qi mud pulled, washed and squeezed by hand visible milky turbid pus overflow, there is odor.

Prevention:

1. Increase potash fertilizer;

2. After the field is closed to the field mud, it will return to the water;

3, drug control. 72 grams per acre with streptomycin sulfate soluble powder 15 grams watered spray. Or use 100 gram of Longkei (20% thiazole copper suspension agent, manufactured by Zhejiang Longwan Chemical Factory) per mu for water spray.