MySheen

How to prevent and cure watermelon anthracnose?

Published: 2024-12-23 Author: mysheen
Last Updated: 2024/12/23, How to prevent and cure watermelon anthracnose? What harm does watermelon anthracnose have? There are no netizens can help introduce anthracnose is a common disease of watermelon, farming network sorted out the harm of watermelon anthracnose and control methods, listed below for netizens' reference. The harm of watermelon anthracnose: anthracnose from the west.

How to prevent and cure watermelon anthracnose? What harm does watermelon anthracnose have? There are no netizens can help introduce anthracnose is a common disease of watermelon, farming network sorted out the harm of watermelon anthracnose and control methods, listed below for netizens' reference. The harm of watermelon anthracnose: anthracnose occurs on leaves, vines and fruits from watermelon seedlings to maturity. When the seedlings fell ill, the stems near the ground turned dark brown, constricted and quenched. When the leaf is damaged, it is a small yellow water-stained round spot at first, and then expands and turns brown. There is a purple-black circle around the disease spot, on which there are small black spots or pink sticky material. The disease spot gradually expands, connects with each other into pieces, and breaks up when dry, so that the leaves die. Narrow brown sunken disease marks appear on the petiole and stem vines, the disease marks expand, and the stem vines gradually die. Watermelon stalk infected, young fruit dark color, gradually shrinking to death. Mature watermelon disease, the disease is water-stained ring at the beginning, and then a sunken round spot, on which there are many circular arrangement of small dots, when wet, the disease part is covered with pink sticky conidia. The young fruit is deformed after being infected with the disease, and in serious cases, the disease spots are continuous, and the watermelon is rotten. Prevention and control methods of watermelon anthracnose: first, do a good job of pruning, pressing vines and branching, maintain a good ventilated and transparent environment in the field, and prohibit flood irrigation. Second, use 45% chlorothalonil smoke remover 250 grams per mu, once every 9-11 days. Third, timely spraying in the early stage of the disease can achieve a better prevention and control effect. You can choose 1000 times of 25% bromofenapril wettable powder or 1000 times of 25% prochloraz EC or 800 times of anthrax, or 1000 times of 10% difenoconazole water dispersible granules. Spraying medicine once every 7 days, spraying continuously for 3 times and 4 times, alternately, the prevention and treatment effect is better. Click to get more watermelon planting techniques click to get more fruit planting techniques

 
0