What is the cause of bitter gourd cracking
There are three main reasons for bitter gourd cracking: physiological cracking fruit, cracking caused by viral disease and cracking caused by blight. Linyi Fertilizer Network Copyright
1. Physiological cracking fruit Linyi Fertilizer Network Copyright
The root of bitter gourd is a fibrous root system, which has weak ability to absorb water and fertilizer. In addition, the leaf area coefficient of bitter gourd is large, and the leaf surface transpiration is large. It is easy to crack fruit due to physiological water shortage in the case of less rainfall and low air humidity. Bitter melons usually take two weeks from flowering to harvesting. If the supply of fertilizer and water is not balanced, a large number of melons and crackers will be produced. Therefore, in the fruiting period of bitter gourd, special attention should be paid to the balance of fertilizer and water supply in order to effectively reduce bitter gourd cracking. Linyi Fertilizer Network Copyright
2, the blight of the crack caused by the cracked fruit Linyi fertilizer network copyright
Causes of cracking caused by blight: When the stems and leaves of bitter gourd are infected, the light and efficiency are reduced, the transformation and transportation of light and products are blocked, the growth of melons is slow, and the melons of bitter gourd are short and thick, and a large number of cracked melons appear. Linyi Fertilizer Network Copyright
3, virus disease caused by cracking fruit Linyi fertilizer network copyright
To prevent and cure bitter gourd virus disease, we must first pay attention to the prevention and control of aphids and whitefly. In addition, when spraying pesticides, it is necessary to pay attention to strengthening the use of biocontrol agents and amino acid-containing foliar fertilizers, which not only promotes the robust growth of the plants, but also enables the plants to produce antibodies themselves, enhance the disease resistance of the plants, and at the same time remove the susceptible plants. Reduce the source of infection. Linyi Fertilizer Network Copyright
Bitter fruit cracking how do Linyi fertilizer Copyright
1. When watering is reasonably watered, the amount of phosphorus and potassium fertilizer should be increased reasonably to prevent the growth of melon seedlings, to cultivate strong seedlings, and to strengthen the disease resistance of melon seedlings. Linyi Fertilizer Network Copyright
2, in order to stop the heavy sputum caused by more serious vine disease, can be held with non-melon crops for 2-3 years of rotation. Linyi Fertilizer Network Copyright
3. Soaking seeds with 50% hydrogen peroxide for 3 hours, not only disinfecting the seeds, but also facilitating the rapid germination of seeds. Linyi Fertilizer Network Copyright
4. In the early stage of the disease, spray 70% methyl thiophanate 500-800 times, 75% chlorothalonil WP 600 times, 80% anthrax Fumi 600 times solution, spray once every 7 days, even spray twice . When spraying the above pesticides, in order to improve the control effect, the drugs can be used interactively. Linyi Fertilizer Network Copyright
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