MySheen

Control of diseases and insect pests of Polygonatum polygonatum

Published: 2024-11-22 Author: mysheen
Last Updated: 2024/11/22, The disease has black spot, the leaf appears irregular yellow-brown spot from the leaf tip, so that there is a purplish red edge at the junction of the healthy part, and then the disease spot spreads downward, and the leaf is withered and yellow. Spray with 1000 times of methamphetamine, once every 7 to 10 days, for 2 times in a row.

The disease has black spot, the leaf appears irregular yellow-brown spot from the leaf tip, so that there is a purplish red edge at the junction of the healthy part, and then the disease spot spreads downward, and the leaf is withered and yellow. Spray with 1000 times of methamphetamine, once every 7 to 10 days, for 2 times in a row.

 
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