Prevention and treatment of bitter gourd powdery mildew

Bitter gourd is susceptible to powdery mildew during flowering and squashing. After the stalks are covered with white powder, the leaves are chlorotic and yellow, the growing point is curled, and the plants are shriveled. This results in flowering and fruiting spurs at intervals, deforming the larvae and shortening the flowering knots. During the melon period, the yield is low and the quality is poor. We must pay attention to prevention and control. Specific prevention and control methods: During the period of bitter gourd flowering and squashing, spray 1000 times potassium permanganate aqueous solution, or 1000 times sodium bicarbonate (baking soda) aqueous solution, or 25 to 30 times ash leaching clear liquid every 7-10 days. Or 0.1% lime water clarifier, etc., and even spray 3 to 5 times, evenly wet all the leaves, to begin with a drop of water drops is appropriate, after spraying the rain within four hours, should be re-filled again. In this way, the occurrence and damage of bitter gourd powdery mildew can be effectively prevented, the stem vines can be protected, and the flowering of the melons can be promoted without any toxic residue and without contaminating the bitter melon. The day of spraying, the day can be harvested, is the ideal method of pollution prevention.

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