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Control Methods for Cotton Red Leaf and Stem Blight
Cotton red leaf and stem blight is a physiological disease and one of the main diseases of cotton in the middle and late stages. Over the years, it has occurred severely in sandy loam soil and poor cotton fields in our county. In drought years, especially after a long drought followed by rain or during continuous overcast and rainy weather, red leaf and stem blight breaks out, and cotton plants dry up and die.
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Control Methods for Cotton Thrips When Growing Cotton
Cotton thrips, also known as tobacco thrips or onion thrips, damages not only cotton but also tobacco, onion, garlic, cucurbits, potato, tomato, Chinese cabbage and many other crops. Damage symptoms: adults and nymphs mostly gather on the tender tips and undersides of cotton leaves to suck sap. After cotton seedlings are damaged,
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Control Methods for Red Spider Mites in Cotton Cultivation
Cotton leaf mite, also known as cotton red spider, fire dragon, fire spider. It belongs to the class Arachnida, order Acariformes, family Tetranychidae. The main species causing serious damage are the red leaf mite, Jiang leaf mite, and two-spotted spider mite. The individuals are small and highly reproductive, breeding more than 10 generations per year, and harm plants by piercing and sucking with adult mites and nymphs.
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What are the methods for controlling tea plant pests and diseases
The meaning of deep processing of tea. Deep processing of tea refers to the use of fresh tea leaves or finished tea as raw materials, or the use of tea, tea factory rejects and by-products as raw materials, together with corresponding processing techniques and methods, to produce tea-containing products. Tea-containing products may be based on tea
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What are the control methods for tea anthracnose?
Tea anthracnose is a disease caused by fungi of the subphylum Deuteromycotina. The pathogen overwinters in diseased leaf tissue as mycelium and acervuli, and in the following spring under suitable conditions produces conidia. The conidia spread and proliferate with wind and rain, germinate in water droplets and invade the leaves,
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Main Root Diseases of Tea Plants and Their Control Methods
1. Tea seedling white silk blight (1) Distribution and symptoms: Tea seedling white silk blight is a common root disease in nurseries. It has a wide distribution range and causes severe damage. Besides tea, it can also harm more than 200 kinds of plants including cucurbits, Solanaceae, hemp, tobacco, and peanut. It occurs at the root collar, where the diseased
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Detailed Explanation of New Green Pest Control Technologies for Tea Cultivation
1. Intercropping with Other Tree Species On the remaining slopes around the edges of the tea garden, appropriately plant some tree species such as ginkgo and persimmon (planting giant eucalyptus is strictly prohibited) to improve the microclimate of the tea garden, increase biodiversity, and reduce the occurrence and damage of tea tree pests and diseases. Plant about 15 trees per mu, do not
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Detailed Explanation of Key Points of Chemical Control Technology in Soybean Cultivation
Using chemical technology to control cultivation is an emerging technology in agricultural production. Applying chemical control cultivation to soybeans can regulate plant growth and development, help increase flowers and preserve pods, and raise yield. Application of rare earth: Rare earth is also called rare earth micro-fertilizer or rare earth nitrate, and its trade name is Changle Yizhisu.
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Weed Control Methods in Schisandra Planting Fields
1. The survey results of weed species in Schisandra fields show that the weeds causing serious damage in Schisandra fields include barnyardgrass, crabgrass, amaranth, lambsquarters, field horsetail, foxtail, and shortawn foxtail, among which crabgrass, Asiatic dayflower, and lambsquarters cause particularly severe damage. 2. Conventional control of weeds in Schisandra orchards
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Control Methods for Powdery Mildew in Coptis chinensis Cultivation
Coptis chinensis is afraid of high heat and prefers low temperatures, and prefers cool, shady and moist conditions. It is generally suitable for cultivation in areas at an altitude of 800 m--1500 m. In large-scale production, high temperature and high humidity in summer and autumn easily lead to widespread outbreaks of powdery mildew in Coptis chinensis, seriously affecting its growth and development. The main symptoms of powdery mildew in Coptis chinensis are
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