Bordeaux mixture is a protective fungicide with a long-lasting effect. It can be used to control a variety of diseases and insect pests of fruits and vegetables. However, improper operation will not only reduce the medicinal properties of Bordeaux mixture, but also may cause phytotoxicity problems. I need to pay attention to the process of Bordeaux mixture, I hope to help you.
Rule 1:
It is safer to spray the Bordeaux mixture before 10 o'clock in the morning and after 3 o'clock in the afternoon. When the weather is too dry and the temperature is too high, the water will evaporate quickly, which will easily increase the concentration of pesticides and cause phytotoxicity. Before you spray, pay attention to the weather forecast. If there is rain on the day, do not spray.
Especially before the rain, the Bordeaux mixture was sprayed. After the rain, the rain washed away the lime on the leaf surface, leaving the copper sulfate ion, and the copper ion was very corrosive, which easily damaged the blade. Spray in the rainy season, increase the amount of lime as appropriate.
Rule 2:
Bordeaux mixture is an alkaline pesticide , it can not be mixed with acidic agents, and can not be mixed with alkali-suppressing agents, such as sulfur mixture and rosin mixture, so as not to reduce the efficacy or phytotoxicity. In order to avoid the occurrence of phytotoxicity, on the plants sprayed with Bordeaux mixture, it is not possible to spray the sulphur mixture within 15-20 days, and spray the sulphur mixture for 7-10 days before spraying the Bordeaux mixture, but the Bordeaux mixture can be mixed with the organophosphorus pesticide. But it should be used with the mix.
Rule 3:
When spraying Bordeaux mixture, it can be sprayed once. It can't be sprayed repeatedly. Now it is sprayed with it, and the excess liquid can be poured out. In the 24 hours after the rainy weather, if it rains, it needs to be sprayed again after the weather. If copper ion damage occurs after application, 0.5%-1% lime can be added to the clean water to prevent it; if lime poison is produced, it can be sprayed 400-500 times of rice vinegar.
TIPS:
1. Bordeaux liquid liquid is alkaline and corrosive to metal. Therefore, after each use, the spray device should be rinsed clean to avoid corrosion.
2, before the occurrence of the disease with 1:1: 150-200 Bordeaux liquid spray, can effectively prevent the occurrence of diseases. After the onset, spray 1:1:200 Bordeaux mixture and spray once every 5 days. For best protection.
3. When spraying Bordeaux mixture, it is best to carry out the best effect on sunny days and no dew. In summer, spray to avoid the hot sun at noon, so as to avoid the high temperature causing the damage caused by lime.
The above is the use of Bordeaux mixture and precautions. For more information, please pay attention to China Pesticide Network.
Store Inspection,Loss Prevention For Drugstore,Retail Audit Analytics For Drugstore,Retail Audit Analytics For Grocery Store
OP Retail , https://www.opretailtech.com