MySheen

Control of scab in pear trees

Published: 2024-11-25 Author: mysheen
Last Updated: 2024/11/25, 1. Strengthen the management of orchards. The growth of pear trees is weak and is easy to be infected by bacteria. Therefore, the application of fertilizer, especially organic fertilizer, can enhance the tree potential and improve the disease resistance. two。 Chemical control. About 70% of pear trees should be sprayed before flowering and about 70% of falling flowers to protect inflorescences, shoots and new leaves. In the future, according to the rainfall.

1. Strengthen the management of orchards. The growth of pear trees is weak and is easy to be infected by bacteria. Therefore, the application of fertilizer, especially organic fertilizer, can enhance the tree potential and improve the disease resistance. two。 Chemical control. About 70% of pear trees should be sprayed before flowering and about 70% of falling flowers to protect inflorescences, shoots and new leaves. After that, according to the rainfall, the spray was sprayed every 15 to 20 days, for a total of 4 times. Generally, the first spray was in mid-May (after the pear sepals fell off, the diseased shoot first appeared), the second time was in mid-June, the third time was from late June to early July, and the fourth time was in early August. Generally, 12.5% terprazole or diniconazole wettable powder 2000-2500 times liquid and 40% Fuxing 8000 times solution have better control effect.

 
0