How to spray fruit trees in rainy season? Do these points is the key

There are more rainy and rainy weather in summer, and the high temperature and high humidity environment in the orchard lasts for a long time. Such meteorological conditions provide a breeding ground for a variety of germs. Spores that rely on rain and water will multiply quickly, and bacteria that rely on wind and rain will spread quickly. The majority of fruit farmers should attach great importance to and take serious precautions to eliminate all pathogens before the infection spreads. How can this be done? As long as the prevention of the disease occurs, the treatment of the disease begins, and the sterilization of the germination, you can win the initiative of disease prevention and control, and you will get a decisive victory in protecting the trees and fruits.

First, preventing infection in advance is the key

At present, the weather forecast is getting more and more accurate, which provides a good reference for our various agricultural operations. If we see that there will be continuous rainy weather, we will combine the current season, temperature and our own current stage. Plant protection work to develop corresponding countermeasures, if there is no anti-bacterial medicine recently, quickly hit a rain-resistant, strong protective fungicide, such as Bordeaux solution, mancozeb, pyraclostrobin, etc. In this way, even if it rains, the germs will be difficult to infect the fruit trees, and the prevention of the disease will be achieved beforehand, which will achieve a multiplier effect.

Second, eradication of germs is a remedy

If there is no medicine in the orchard before the rain, and the rainy weather has been continuous for many days, then it is necessary to seize the time to fight the systemic fungicide once the rain stops, because there is no control before the rain, then the high temperature and humidity continue to breed harmful bacteria. The possibility is very large, and pathogens such as rotten spot disease, spot leaf decay disease and brown spot disease will infest as long as the humidity reaches a certain condition, maybe the disease on the tree has not yet appeared, but the possibility of the infection of latent bacteria cannot be ruled out, if you wait If the weather is fine and you are watching the rain and the rain, you may miss the opportunity to prevent and control the disease, causing the disease to spread and the losses you can't recover. Some people worry that the rain will fail after spraying before the rain. In fact, systemic fungicides such as triazoles and carbendazim will be quickly absorbed by the plants after spraying, and they can play a preventive role in a few hours. The spraying can be implemented completely, and it is also a timely and effective remedy for not spraying before the rain.

Third, timely elimination of germs is the guarantee

The rainy days last too long and must be sprayed after the rain. In the long-term high-temperature and high-humidity environment, a variety of germs are easy to infect the latent. At this time, the spray must be timely, that is, the tree is dried after the rain. Thinking that the weather is fine anyway, it will be fine after a few days of spraying medicine, because after the rain is over, the humidity in the garden will not drop soon, but the temperature will rise and the horse will rise up. The reproduction of such environmental bacteria will be more vigorous and the spread will be Be more active. If you want to hit a highly penetrating eradication fungicide at this time, then the effect will definitely be the best. Delaying the fight will increase the risk of the spread of germs. The sterilization effect of triazole fungicides such as tebuconazole and difenoconazole is very obvious. Applying such drugs in time after rain will prevent the tree from being affected by pathogens and ensure the normal growth of fruit trees.

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