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How to prevent and control insects inside plum fruits
This pest is a member of the Lepidoptera family Tortricidae (small leafroller moths), and is the most serious pest damaging plum fruits, with damage rates often reaching 80%-90%. At the insect hole, teardrop-shaped gum oozes out, and the damaged fruit cannot continue to develop, gradually turning purplish-red and dropping off. The tunnels inside the damaged fruit are filled with red insect frass, which local people call "red bean paste filling"...
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How to prevent and control lettuce virus disease? Aphid control is key
Virus disease is a major disease of lettuce and stem lettuce, occurring commonly, and currently there is no ideal chemical control available either domestically or abroad. Prevention should be the main approach, adopting agricultural control measures and timely control of aphids. Virus disease is caused by virus infection, and in the field it is mainly transmitted by aphids and through sap contact during farming operations. Diseased plants...
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What are the prevention methods for potato diseases and pests?
Zhu Zhenhua, an expert from the Northern Vegetable News, recently received many consultation calls from vegetable growers in Anqiu, Shanghe, Yinan and other places. The most frequent topic was potato disease problems. Judging from the situations reported by phone, potato diseases have been occurring frequently recently, most commonly potato scab and powdery scab. Teacher Zhu said that each...
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What Are the Symptoms of Phosphorus Deficiency in Peach Trees? Detailed Guide to Prevention and Control Methods
I. The Role of Phosphorus in the Growth and Development of Peach Trees Phosphorus has two roles in the growth and development of peach trees. On one hand, it can strengthen tree vigor, maintain healthy tree growth, promote flower formation, lead to earlier fruiting, promote the maturation of fruit and seeds, increase sugar content, and improve fruit quality. On the other hand, it can enhance the peach tree's adaptability to the external environment...
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Practical tips for preventing sprouting during potato storage
Symptoms: Also known as potato verticillium wilt or premature ripening disease. In the early stage of the disease, the leaf tips turn yellow along the leaf margins, and yellowing spreads inward from the leaf veins; later, the leaves dry up and turn from yellow to brown, but do not curl, until all compound leaves die without falling off. When the rhizome is infected, the initial symptoms are not obvious. After the leaves yellow, the vascular bundles at the cut rhizome have already turned brown, and later the aboveground stems...
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How to prevent potato deformities
What appears as "tuber flowering" in potatoes is actually potato wart disease. As the name potato wart disease suggests, this disease mainly affects potatoes, does not harm other crops, and certainly cannot harm human health. The so-called wart is caused by the pathogen constantly stimulating host cells to divide wherever it spreads, forming large and small...
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Smart prevention and control of nectarine pests and diseases: new strategies are here
During the growing period of nectarines, the main diseases include bacterial shot hole disease and brown spot shot hole disease, etc. Spray with "Xingao Zhimo" + 70% thiophanate-methyl wettable powder 800-fold solution, 65% zineb wettable powder 500-fold solution. The main pests include aphids, red spider mites, etc., and 10% imidacloprid 3000-fold solution can be used. At the same time, spray Xingao...
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How to prevent and control pepper (bell pepper) seedling death
The problem of pepper plant death gives vegetable growers a real headache, especially in greenhouses with more than 3 years of continuous cropping, as there are not a few cases where plant death leads to reduced or total loss of yield. Right now is the critical period for raising and transplanting pepper seedlings, and it is also the key stage for preventing plant death. Preventing plant death at this key point is much more effective than drenching roots to prevent plant death during the full fruit stage...
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How to prevent and control strawberry Fusarium wilt? A detailed guide to practical management measures
Strawberry Fusarium wilt is a soil-borne fungal vascular wilt disease, and it can occur generally from the seedling stage through the harvest stage. Control methods: 1. Strengthen cultivation management. Drain promptly after rain. When diseased plants are found, pull them out promptly and destroy them in a centralized manner, spray chemicals to sterilize, and at the same time add Xinguozhimou (New High Lipid Film) to enhance the effectiveness of the pesticide. 2. Flowering and fruiting...
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What are the harmful effects of continuous cropping of greenhouse strawberries? A detailed explanation of prevention and control techniques
1. Harmful effects of continuous cropping of greenhouse strawberries 1.1 Causes long-term accumulation of pathogenic microorganisms. Planting strawberries continuously on the same plot of land causes obvious changes in the soil microbial community, and suddenly, suddenly nematodes and pathogenic bacteria multiply in large numbers, leading to major outbreaks of pests and diseases. 1.2 Causes imbalance of strawberry nutrients...
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