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Symptoms and Control Methods of Maize Rough Dwarf Disease
Maize rough dwarf disease is a viral disease of maize caused by Maize rough dwarf virus. Maize rough dwarf virus belongs to the plant reovirus group and is a spherical virus with double-stranded RNA and a double-layered capsid. It is transmitted by the small brown planthopper (Laodelphax striatellus) in a persistent manner. Maize rough dwarf disease is an important disease prevalent in the maize production areas of northern China.
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How to control cotton pests and diseases? Latest technical method tutorial
Cotton is one of the most important crops in the world. Its high yield and low production cost make cotton products relatively inexpensive. The fiber can be made into fabrics of many specifications, from lightweight and transparent voile to thick canvas and thick velveteen, suitable for making all kinds of clothing, furniture
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A Detailed Guide to the Latest Control Methods for Cotton Aphids
The cotton aphid is one of the major insect pests of cotton. Five species of aphids have been discovered: the cotton aphid, the cotton long-tube aphid, the alfalfa aphid, the hog plum aphid and the bean root aphid, among which the cotton aphid is the main one harming cotton and is one of the important pests of cotton in China, causing the most severe damage in the cotton regions of the Yellow River basin and the Liao River basin.
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What are the latest control methods for tobacco brown spot disease?
Tobacco brown spot disease is a disease caused by fungi. Tobacco farmers in China commonly call it red spot, root tiger eye, fire blister spot, etc. It is the main leaf spot disease during the tobacco leaf maturity period and occurs in all tobacco-growing areas in China. It not only makes tobacco leaves incomplete and lowers their grade, but also, due to uncoordinated internal quality, worsens the taste and reduces industrial use value. Now let us take a look at how to control tobacco brown spot disease!
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Latest Corn Borer Control Technique: How to Use Trichogramma Wasps?
There are many species of Trichogramma wasps in nature. The Trichogramma species currently used to control the corn borer is Trichogramma dendrolimi. Generally, at the beginning of the adult corn borer's egg-laying period, Trichogramma wasps are artificially released into the field so that they lay their eggs inside the corn borer eggs, preventing the eggs from hatching into larvae.
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What are the latest control methods for the rice water weevil?
The rice water weevil is one of the more damaging invasive alien species in China, but it has not been included in China's first list of invasive alien species. Also known as the rice water weevil and rice root weevil, it is a national class II quarantine pest. It originated in North America and was first discovered in 1988 in Tanghai County, Tangshan City, China.
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How to control the rice leaf roller? Latest technical method tutorial
The rice leaf roller is one of the major pests in rice-growing regions of China, also known as the rice leaf-rolling caterpillar, the leaf-scraping worm, etc. It is widely distributed across all rice regions. Besides damaging rice, it can also feed on crops such as barley, wheat, sugarcane and foxtail millet, as well as weeds such as barnyardgrass, Leersia hexandra, paspalum, Paspalum distichum, crabgrass, foxtail, goosegrass, thatch grass and reed.
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A Detailed Guide to the Latest Control Methods for Corn Stalk Rot
There are many causes of stalk rot in corn production, and the most important category is fungal stalk rot. Fungal stalk and root rot is a type of disease caused by single or complex infection by various pathogens that leads to rotting of the root system and stem base, mainly caused by Pythium, Colletotrichum, and Fusarium
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The Latest Control Methods for Potato Fusarium Wilt
Potato Fusarium wilt is a soil-borne fungal disease of potatoes. It is widely distributed and commonly occurs in all potato-growing regions across the country. It is severe in continuous cropping fields and poses a threat to potato production. Moreover, the pathogen is complex, with great genetic variability and strong stress resistance, which increases the
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A Detailed Guide to the Latest Control Methods for Potato Leaf Blight
Potato leaf blight mainly damages the leaves. In most cases, the senescent leaves on the lower part of the plant are the first to become diseased during the middle and late stages of potato growth. At first, the leaves show greenish-brown necrotic spots, and sometimes the stems and vines are infected, forming irregular grayish-brown
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