Matters needing attention of spraying fruit trees in summer

High temperature and humidity in summer can easily lead to the prevalence and spread of diseases and insect pests in fruit trees, and summer is also a period when the number of fruits is sensitive to pesticides, which can easily cause drug damage if the concentration of pesticides is too high or the spraying method is improper. So what should we pay attention to when spraying fruit trees in summer? Let's get to know it.

1. Spraying time

Many fruit growers think that the higher the temperature is, the higher the temperature is, but in fact, when spraying under high temperature and strong light, most of the pests will stop activity, hide in a cool place, and should not be sprayed, and the medicine will volatilize faster at high temperature and decompose quickly. at this time, spraying will reduce the efficacy. In addition, spraying at high temperature can easily lead to poisoning of spraying personnel because of the strong volatility of the agent. There are also a lot of fruit growers like to spray in the cool morning, but the dew is not dry at this time, the medicine will be diluted by dew after spraying, reduce the efficacy, the control effect is poor. The spray works best when the spray time is between 9 and 10:00 or after 4 p.m., which avoids periods of dew and high temperatures.

2. Medicament concentration

The concentration of pesticides must be well controlled, the growing season of fruit trees is more sensitive to pesticides, too much concentration is easy to cause drug damage, too low concentration will reduce the control effect, so it is necessary to strictly grasp the concentration of pesticide ratio. According to the sensitivity of fruit trees to pesticides, reasonably determine the type and concentration of drugs. For example, Bordeaux solution is often used on apples, pears and grapes, but peach trees are more sensitive to it and generally do not use it on peach trees.

3. Spraying operation

Hot and hot in summer, many ticket sprayers do not take any protective measures in order to cool off for a while, and some even go shirtless, which is very easy to absorb pesticides into the skin and cause poisoning. Therefore, when spraying, you should wear protective clothing, put on a mask, and wash the whole body after spraying to avoid pesticide poisoning. When spraying fruit trees, they must be evenly and sparsely planted. In summer, fruit trees have luxuriant branches and strong concealment of pests. At this time, spraying must be uniform, so that both sides of fruits and leaves should be sprayed, and according to the growth habits of pests, spray control should be concentrated on the habitat.

4. Pay attention to drug resistance

When spraying agents, it is necessary to scientifically rotate the types and mixtures of drugs, and at the same time add special kings to the solution to improve efficacy, avoid continuous use of the same agent and cause resistance to diseases and insect pests, and avoid losing efficacy after rain.

The above is the fruit tree summer spray points for attention, hope to help you, want to know more related knowledge, please follow us.