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When is the best time to control wheat pests and diseases?
When is the best time to control wheat pests and diseases? Please advise. The timing of wheat pest and disease control is most critical. If you want to control pests and diseases more effectively, you can refer to the following methods: the best control period for rosette dwarf virus disease is mid-March, using a 1000-fold dilution of 50% methamidophos or a 1500-fold dilution of 40% omethoate to spray the edge rows of wheat fields adjacent to insect sources...
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Common pests and diseases during the wheat grain-filling stage and their control methods
What pests and diseases should be watched for during the wheat grain-filling stage? Please explain. During the Start of Summer period, winter wheat in the north generally enters the flowering and grain-filling stages and has a relatively high demand for water. Because field humidity is high, pests and diseases such as wheat aphids and stripe rust have further developed and spread, so recently winter wheat areas in the north still need to...
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What types of pests and diseases occur at the wheat seedling stage
What pests and diseases occur at the wheat seedling stage? Please introduce wheat rust. 15~20 days after wheat emergence, select wheat fields with conditions favorable for disease development for investigation. When the diseased leaf rate reaches 10%, and the autumn temperature is relatively high with more rainfall, immediately spray Heguoli or triadimefon for control, that is, use 12.5% Heguoli wettable powder 1... per mu
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What are the common pests and diseases of colored calla lilies?
The common diseases of colored calla lilies mainly include bacterial diseases, fungal diseases and pest damage, which are introduced separately below. Bacterial disease Erwinia: Erwinia disease, also known as soft rot, is caused by the pv. carotovora pathovar of Pectobacterium carotovorum subsp. carotovorum. Infected leaves and stems turn dark green, with necrotic spots and rotting spots...
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What are the common pests and diseases of colored calla lilies?
The common diseases of colored calla lilies mainly include bacterial diseases, fungal diseases and pest infestations, which are introduced separately below. Bacterial diseases Erwinia: Erwinia disease, also known as soft rot, is caused by Pectobacterium carotovorum subsp. carotovorum. Infected leaves and stems turn dark green, with necrotic spots and rot spots...
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What types of common poplar diseases occur in spring?
Poplar canker mainly occurs during the process of seedling transplanting. The disease begins in late March, peaks from mid-April to late May, basically stops in early June, and slightly develops after October. This disease can infect the trunk, root collar and large branches, but mainly damages the middle and lower parts of the trunk. In the early stage of the disease, near the lenticels on the trunk...
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How to prevent and control pests and diseases in Gastrodia elata? A detailed guide to practical control measures
Gastrodia elata prefers to grow in warm, humid sandy (or leaf-mold) soil, and has fairly strict requirements for temperature and humidity. However, the area along the Great Wall in northern Shaanxi lies in the mid-temperate zone, where summers are hot and dry with little rain, which is unfavorable for the growth and development of Gastrodia elata. To achieve a good harvest of Gastrodia elata, the measures that should be taken in summer management include: (1) Build a shade shed. In summer...
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Detailed Guide to Prevention and Treatment Techniques for Common Turtle Diseases
Prevention and Treatment Techniques for Common Turtle Diseases
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What diseases occur during the cultivation of daikon radish?
What diseases affect daikon radish? Here is an introduction and their control methods. The common diseases of daikon radish are as follows for reference: 1. Downy mildew: Radish downy mildew mainly damages the leaves. The disease starts from the outer leaves, with small light green to pale yellow spots appearing on the leaf surface, which after expanding become yellowish-brown and are restricted by the leaf veins into polygonal shapes. In humid...
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What pests and diseases occur in the early stage of summer sesame planting?
What pests and diseases occur in the early stage of summer sesame planting? Please give guidance. For diseases at the seedling stage of summer sesame, the focus is on prevention. Before rain or after farming operations, spray 70% mancozeb 800x solution or 50% carbendazim 800x solution to protect the leaves and prevent sesame stem spot blight, Fusarium wilt, Phytophthora blight, etc. Aphids and plant bugs mainly...
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