Why spray plant leaves? The correct way to spray plant leaves in summer. Precautions for spraying summer plant leaves With the arrival of summer, the temperature gradually rises, and plants are also ushering in a vigorous period of growth. Adverse factors such as high temperature and drought have also brought challenges to the growth of plants. Spraying plant leaves can not only cool them down and relieve heat, but also effectively prevent pests and diseases. How to spray the leaves correctly? This article will provide you with a detailed introduction to the relevant knowledge of summer plant leaf spraying. Why spray plant leaves?
1. Cooling down and relieving summer heat: When high temperatures in summer, plant leaves are easily exposed to the sun, causing water to evaporate too quickly. Spray can provide a protective film for the leaves, reduce the surface temperature of the leaves and slow down water evaporation.
2. Prevention of pests and diseases: Spray can kill some pests and diseases, and the scouring effect of water helps remove dust and pests on the surface of the leaves.
3. Promote growth: Spray can replenish the water and nutrients needed for plant growth and improve plant disease resistance. The correct way to spray plant leaves in summer 1. Choose the right sprayer: There are various types of sprayers on the market, such as manual sprayers, electric sprayers, etc. It is recommended to choose a sprayer with good atomization effect to better cover the leaves.
2. Choose the right spraying time: It is more appropriate to spray in the early morning or evening, when the temperature is lower, the evaporation rate of the leaves is slower, and the spraying effect is better.
3. Control the spray amount: The spray amount should not be too large to avoid causing water accumulation in the leaves and causing diseases. It is advisable to control the spray amount per square meter of leaves at 200-300 ml.
4. Spray direction: Spray from top to bottom to ensure that both sides of the blade can be sprayed.
5. Pay attention to spray safety: When spraying, avoid aiming the sprayer directly at the human body to avoid inhaling harmful substances. Precautions for spraying plant leaves in summer 1. Avoid spraying in the scorching sun: When spraying in the scorching sun, the leaves will easily accumulate water, causing diseases.
2. Do not spray frequently: Frequent spraying will cause a water film to form on the surface of the leaves, affecting photosynthesis.
3. Pay attention to the choice of sprays: Choose environmentally friendly and pollution-free sprays to avoid damage to plants and the environment.
4. Ventilate after spraying: After spraying, close the doors and windows, and wait until the leaves are dry before ventilating.
Summer plant leaf spraying is an important part of maintaining plants in summer. Spraying through the correct method can cool down plants and relieve heat, prevent pests and diseases, and promote growth. I hope this article can help you maintain plants in summer.
References: "Plant Pest Control Technology", China Agricultural Press, published in 2018.
"Home Gardening Maintenance Manual", China Forestry Press, published in 2017.