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Control Methods and Technical Key Points for Hickory Flower Bud Midge
The hickory flower bud midge is the main pest damaging hickory flower buds. Because the insect body is tiny and concealed, its occurrence period is short, and the damage consequences are severe, once the effective control period is missed, hickory yield will be seriously affected. To effectively safeguard this year's hickory yield, scientific and technical personnel have proposed the following on how to carry out effective control: First, seize...
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What are the control methods for the hickory flower bud midge?
The hickory flower bud midge is the main pest harming hickory flower buds. Because the insect is tiny and concealed, its occurrence period is short, and the damage consequences are severe, once the effective control period is missed it will seriously affect hickory yield. To effectively safeguard this year's hickory yield, scientific and technical personnel put forward the following on how to carry out effective control: First, grasp...
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How to control litchi fruit-boring pests? These methods are very effective
Litchi fruit-boring pests include the litchi tortricid (Cryptophlebia ombrodelta), the litchi small grey moth, the Yaowen moth and the litchi stem-end borer, among others. Damage begins each year when litchi trees start to flower, and is most severe from late April to early June. The larvae first bite through the skin of the young fruit, then bore into the fruit and feed on the stone, causing heavy fruit drop, reducing yield and lowering fruit quality, with...
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Six Common Lotus Root Diseases and Their Control Methods
I. Main Disease Types June and July are the peak growing period for lotus roots and also the peak period for various diseases, so doing a good job of disease control is key. As an instructor in the agricultural science and technology system, I propose lotus root disease control techniques to guide demonstrators and lotus root farmers in production. 1. Lotus root rot, also known as black root disease, lotus root...
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Occurrence Patterns and Control Methods of Lotus Root Brown Spot Disease
Brown spot disease is a major disease of lotus root, widely distributed, and can occur in spring, summer, and autumn. Generally, diseased plants account for 30%-50%, and in severe cases, the incidence rate can reach over 80%, significantly affecting lotus root yield and quality. 1. Symptoms This disease mainly affects the leaves and leaf stalks of lotus root. In the early stage of leaf infection, small brownish-green...
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Detailed Guide to Identifying and Controlling Lotus Root Brown Streak Disease Symptoms and Control Methods
Lotus root brown streak disease is widely distributed and occurs in all regions, but it only harms lotus root. 1. Pathogen: This disease is caused by infection with fungi of the genus Alternaria in the Deuteromycotina. The pathogen overwinters in lotus fields as mycelium and chlamydospores with diseased plant residues, and produces conidia under high temperature and high humidity, spreading by wind and rain. 2. Symptoms...
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Symptom Identification and Control Methods for Peanut Web Blotch
I. Causes of Iron Deficiency in Peanuts Peanut is one of the crops that is relatively sensitive to iron. Although iron is not a component of chlorophyll, it is an indispensable condition for chlorophyll synthesis, a component of cytochrome oxidase and peroxidase related to respiration, and participates in the oxidation-reduction processes within the plant. It is...
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Control Methods for Three Major Soybean Diseases
What does soybean dodder look like? What should you do if soybean dodder appears? Dodder, also called yellow silk vine or tangled silk vine, is a malignant weed. It harms many crops, can cause total loss of soybean yield, and occurs commonly in various regions. (1) Morphology: The stem of soybean dodder is yellow, orange-yellow, or yellow-green, smooth and hairless,...
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Detailed Explanation of Rice Pest and Disease Identification and Control Methods (Part 2)
The brown planthopper, also known as the brown rice planthopper, is commonly called roundworm, soft-shell roundworm, spindle worm, or midge. Scientific name Nilaparvata lugens (Stal), order Homoptera, family Delphacidae. The brown planthopper is one of the main pests on rice in China, causing damage in all major rice-growing regions across the north and south of the country. Every year it occurs and causes damage mixed with the white-backed planthopper, and the two planthoppers do not...
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What are the causes of stiff seedlings in rapeseed and the control methods?
Causes of stiff seedlings in rapeseed and control methods
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