Usage and matters needing attention of brassin

Brassica is a plant growth regulator. Many farmers often spray some plant growth regulators when planting crops. This is a common thing, but once used incorrectly, it will cause great losses. The following small series explains the precautions for the use of brassin for everyone. Let's understand it together.

1, when can not spray brassica

As a commonly used plant growth regulator, brassin should not be used in three periods. First, when mixed with pesticides or fertilizers, it should not be mixed with alkaline drugs. Second, do not apply it in rainy days. The climate is changeable in summer. When spraying brassin, we must pay attention to the weather conditions. It cannot be sprayed in rainy days, because spraying in rainy days will dilute the solution concentration again, thus failing to achieve the expected effect. Third, high temperature Wu use, in foliar spraying brassin can not be selected at noon when the highest temperature, because this is the leaf evaporation fast, one is not easy to be absorbed by crops, but also to prevent the evaporation of Austrian solution concentration.

2. When can I use it?

Brassica is generally sprayed at three stages of crops, one at flowering, one week before flowering of crops and fruits, to promote flowering quantity, improve pollination and fruit setting rate, and lay the foundation for high yield. Sometimes plants will grow slowly after flowering. In this case, brassin can be sprayed appropriately to promote the growth of young fruits and accelerate the absorption of nutrients. Spraying brassin at fruit expansion stage is an important measure to increase yield, but attention should be paid to ensuring sufficient nutrients from the beginning of fruit to the end of fruit expansion, including coloring and ripening stage. Trace elements in nitrogen, phosphorus and potassium are indispensable, otherwise only spraying brassin cannot achieve the expected effect.

3, the use of precautions

In the rain can not be timely friends, in the spray 6 hours after the rain to re-spray, spray the best time before 10 am, after 4 pm. Wear protective clothing according to the operation when spraying pesticides. Wear masks and gloves when spraying pesticides. Do not eat during the spraying period, otherwise it will endanger your health. After use, properly dispose of packaging bags and appliances.

The above is brassin use method and precautions introduction, hope to help you, want to know more related knowledge, please pay attention to us.