Prevention and control of greenhouse peppers

The main causes of greenhouse drop and fruit drop are 1. Malnutrition. Improper cultivation results in leggy growth, which leads to a loss of balance between vegetative growth and reproductive growth, which results in the loss of pepper and fruit nutrition. In greenhouse cultivation, the chillies are easy to grow. Therefore, falling and fruiting are common phenomena. 2. Unfavorable weather conditions. In winter and spring sheds, there is often insufficient illumination, high or low temperatures, poor ventilation, and high humidity. These adverse conditions cause the peppers to fail to receive normal powder, which can easily result in flowering and fruit drop. 3. Disease and insect damage. The onset of hot peppers is also likely to cause flowering and fruit drop. For example, when peppers are infected with the virus, they often appear dead-top phenomenon, resulting in falling flowers and falling fruit. The fruit of the tobacco budworm is also liable to cause fruit drop.

The main measures for prevention and control measures should be to strengthen the management, mainly to cultivate strong seedlings, timely planting, proper close planting, scientific fertilization, strengthen ventilation and humidity after planting, maintain appropriate temperature, promote irrigation under the membrane, not flood irrigation, pay attention to pests and diseases Prevention.

Ulipristal Acetate Intermediates

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Gestadienol Acetate,Ulipristal Acetate Intermediates,Cas 33300-19-5

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