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Garlic Cultivation Techniques: What Are the Common Diseases?
What diseases affect garlic? Here is an introduction. Garlic diseases can be illustrated by the following examples: 1. Types of garlic diseases. 1. Round leaf (also called barrel): This disease mainly appears during the period before the garlic scape emerges. The leaves at the top of the garlic form a barrel shape that tightly wraps the garlic scape inside the barrel, causing the scape to become enclosed or broken. ...
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Common Summer Eggplant Pests and Diseases and Their Control Methods
Which pests and diseases need to be controlled in summer eggplant? The following are several pests and diseases that need to be controlled in summer eggplant for reference: I. Control of eggplant insect pests 1. Red spider mite: For agricultural control, keep the soil moist regularly, avoid excessive drought, remove weeds and fallen leaves in time, and reduce sources of the pest. For chemical control, strengthen...
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What are the common root diseases of tea plants?
What diseases affect tea roots? Please advise: tea roots are affected by the following diseases: 1. Tea seedling white silk blight 1.1 Distribution and symptoms: Tea seedling white silk blight is a common root disease in nurseries. It has a wide distribution range and causes serious damage. Besides tea, it can also harm more than 200 kinds of plants including cucurbits, Solanaceae crops, fiber crops, tobacco, and peanuts...
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What are the control methods for the three major rice diseases?
How do you control the three major rice diseases? Please explain the control methods. The three major rice diseases can be controlled by referring to the following methods: 1. Rice blast (1) Leaf blast: dark green, nearly round or oval lesions, which later become slightly pointed at both ends; generally, when acute-type lesions appear or an infection center develops, especially in rice fields with high nitrogen fertilizer rates and tender, lush green growth, when the total number of leaf blast lesions occurring on 20 hills of rice during the entire growth period before heading reaches more than 400, spraying must be carried out, with an interval of 3 to 5 days, and continuous spraying 2 times.
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How should pests and diseases be controlled in the late growth stage of rice?
How should pests and diseases in the late stage of rice be controlled? Please provide guidance methods. Pests and diseases cause serious damage in the late stage of rice. The control methods can refer to the following: 1. Sheath blight: The disease has recently been rising faster. In a general survey of each town on September 10, the average rate of diseased hills was 13.7%, and the rate of diseased plants was 3.3%. The disease situation has clearly accelerated compared with the previous period...
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What are the common types of rice pests and diseases?
What pests and diseases affect rice? Please introduce control methods. Rice pests and diseases include rice blast, sheath blight, rice stem borers, rice planthoppers, and the rice red-spotted black spittlebug. They cause serious damage to rice, so control should be taken seriously. For control methods, refer to the following: Rice blast: long-term deep flooding or excessive drought, and excessive application of nitrogen fertilizer, lead to severe rice blast. Rice has three susceptible periods in its life, namely the seedling stage, the active tillering stage, and the full heading stage. Neck blast has the greatest impact on rice yield, so early prevention should be carried out at the booting stage and full heading stage. Rice blast is divided into: seedling blast, leaf blast, node blast, neck blast and grain blast. Rice blast control should adopt comprehensive control measures centered on planting disease-resistant high-quality varieties, based on healthy cultivation, and supplemented by chemical protection.
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What diseases should be prevented and controlled when growing tomatoes in summer?
What diseases should be prevented and controlled when growing tomatoes in summer? Please advise. For reference, the following diseases should be prevented and controlled when growing tomatoes in summer: Viral disease: high temperature and drought are the primary conditions for the disease to occur. The suitable temperature for viral disease is between 38-43°C; below 35°C or above 45°C is not conducive to the disease. In daily cultivation management, ...
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What diseases need to be prevented and controlled during lotus root cultivation?
What diseases need to be prevented and controlled when growing lotus root? Please give an introduction. Lotus root is a high-yield, high-efficiency aquatic cash crop and a vegetable variety commonly eaten by the general public. It is widely cultivated in various regions, and with the adjustment of industrial structures in various places, its cultivation area tends to keep expanding. In recent years, lotus root diseases have become increasingly serious...
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Identification and Control Techniques for Diseases and Pests of Atractylodes macrocephala
Southern blight: Also known as "white sugar rot", it damages the rhizome of Atractylodes macrocephala, with no obvious symptoms on the aboveground parts in the early stage of the disease. Later, as temperature and humidity rise, the mycelium penetrates through the soil surface, and white mycelium densely covers the rhizome and the surrounding soil surface. The top shoots of the affected plants wilt, droop, and eventually the entire plant dies. Disease characteristics: soil and planting material are...
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Common Summer Pests and Diseases of Apple Trees and Their Control Methods
What pests and diseases of apple trees need to be controlled in summer? Here are several pests and diseases that may need to be controlled in summer apple orchards for reference: 1. Peach fruit borer: The larvae bore into the fruit and cause damage, resulting in deformed fruit development and the formation of "monkey-head fruit," "bean-paste-filled fruit," and the like. Commonly used pesticides are 2.5% Kung Fu at 1500x dilution, or chlorpyrifos...
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