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Identification and Control Methods of the Wheat Stem Borer
Scientific name: Lepidoptera, Noctuidae. Also known as wheat moth, stem borer, stem-boring worm, etc. Distributed in winter wheat regions such as Shandong, Hebei, Jiangsu, and Gansu. Hosts include wheat, barley, etc. Damage characteristics: young larvae cause damage inside the leaf sheaths; after wheat and barley jointing, the larvae damage the young leaves, causing leaf curling, stunting, dead hearts, or forming damaged plants, with each larva damaging 2-3 plants. The larvae bore into the base of the first stem node, causing white heads. It is an important pest of wheat and barley in China. Morphological characteristics: adult body length 5.9-7.
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Identification and Control Methods of the Siberian Wheat Bug
Scientific name Aelia sibirica Reuter, Hemiptera, Pentatomidae. Distribution from Heilongjiang, Inner Mongolia, and ** in the north, south to Shanxi, Shaanxi, Gansu, and Qinghai. Hosts include wheat, rice, and other grasses. Damage characteristics: adults and nymphs pierce and suck the sap of host leaves. Affected wheat seedlings develop dead hearts or white spots on the leaf surface, later twisting into a braid-like shape, with white heads and shriveled grains appearing. Morphological characteristics: adult body length 9-11 mm, yellow-brown, with black and white longitudinal stripes, head tilted downward, front end pointed and split. Scutellum
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What are the classification methods for rice bran? A detailed explanation of common types
Rice is one of humanity's main food grains, and it is rarely used to feed livestock. What is used as feed is mainly the by-product of processing rice into milled rice - rice bran - and its nutritional value varies greatly depending on the processing method. Depending on the rice processing method, rice bran can be divided into rice hulls, rice bran and rice mill by-product. Rice hulls are the hulls removed when processing rice into brown rice.
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Forecast of the Occurrence of Diseases and Pests in Shanghai's Two Crops of Wheat and Barley and Their Control Methods
Based on the occurrence base of diseases and pests in the two crops of wheat and barley in each district (county), and in combination with analysis of weather conditions, the occurrence trend of diseases and pests in the two crops of wheat and barley in this city this year is expected to be moderate. Among them, wheat scab will occur moderately, with severe occurrence in some areas; the small brown planthopper will occur severely, with outbreaks in some areas; wheat aphids will occur moderately, wheat powdery mildew and barley scab will occur relatively lightly, and armyworms will occur lightly. In order to effectively control the damage of diseases and pests and secure a bumper harvest of summer-ripening crops, all districts (counties) are requested to conscientiously carry out disease and pest control work for summer-ripening crops in accordance with their own production conditions. I. Analysis of Occurrence Trends
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Three practical methods for storing wheat, simple and easy to carry out
Heat-sealed method: Choose a clear, hot day, and around 9 a.m. after the drying yard has been heated by the sun, first move out the tools and materials (cotton quilts, burlap pieces, etc. all work) to air and dry in the sun. The wheat must be turned frequently so that the wheat temperature rises to 48-52°C in the sun and the moisture drops below 12.5%. Around 3 p.m., pile it up, let it sweat hot for half an hour, and while still hot put it into the jar. Use materials that have been disinfected and dried in the sun to press down and cover it, then seal it with plastic film so that no air leaks, keeping the grain temperature above 40°C for 8-10 days to kill eggs, pupae, larvae and adults, achieving the effect of accumulating heat to kill insects.
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The role and application methods of wheat straw and wheat chaff mulching
Wheat straw and wheat chaff mulching is the even scattering of wheat straw or wheat chaff around autumn crops or between rows to form a certain mulch layer, with an appropriate amount of soil pressed over it in spots so as to cover and preserve soil moisture. For wheat straw and wheat chaff mulching, it is necessary to properly grasp the principles of timing, mulching amount, and rational application of chemical fertilizers, etc. 1. Timing. The relatively suitable mulching time is from late June to early and mid-July. Too early makes it easy to press down the seedlings, while too late means the crop plants are tall and not easy to work with. After mulching, if there is no rain or the rainfall is insufficient, it will affect the rotting and decomposition of the straw, and the effect will be poor, so timely watering is needed. It is also possible to water at the first topdressing at the end of June.
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How to Identify Ginger Bacterial Wilt? Detailed Explanation of Prevention and Control Methods
Ginger bacterial wilt, also known as ginger rot or ginger bacterial blight, is the most serious disease in ginger production. It causes damage from the ginger seedling stage through the ginger rhizome harvest period as well as during storage, and it has a wide host range. The pathogen of ginger bacterial wilt belongs to the bacterium Pseudomonas solanacearum. The primary infection comes from diseased ginger seed or bacteria-carrying soil, and the pathogens from other diseased hosts such as peanut bacterial wilt and tomato bacterial wilt can also be transmitted to ginger. The ginger bacterial wilt pathogen invades through wounds on ginger roots and tubers (mainly insect-bored wounds). The affected roots first appear water-soaked and light brown, and the pathogen moves along the vascular bundles into the ginger rhizome, and the affected
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A Complete Guide to Eggplant and Fruit Plastic Bag Preservation Methods
Place the selected eggplant fruits in a warehouse below room temperature of 20-25°C, stack them into piles, and seal them with a polyethylene film tent. The oxygen content inside the tent is 2%-5%, and the carbon dioxide content is 5%. Under these low-oxygen and high-carbon dioxide conditions, because respiration intensity is reduced and ethylene synthesis in the body is limited, and the action of ethylene is blocked, the detachment of eggplant stems is prevented and eggplant fruit rot is reduced. This method can store eggplant fruits for about 30 days, maintaining their original commercial value. Some people also use 10-micron-thick high-density polyethylene bags to store selected
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Differences Between Pleione bulbocodioides and Aspidistra elatior and Their Care Methods
Scientific name: Pleione bulbocodioides. Aliases: Aspidistra elatior, one-leaf orchid. Family and genus: Orchidaceae, perennial herb. Morphological characteristics: When Pleione bulbocodioides blooms, a leaf grows beside the flower, which is why it is also called Aspidistra elatior, while the name Pleione bulbocodioides comes from its garlic-shaped pseudobulb. Terrestrial or epiphytic; pseudobulb oval or conical, 2 cm to 3 cm long; flowering period April to June; erect inflorescence 15 cm to 25 cm tall.
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Symptom Identification and Control Methods of Garlic Leaf Blight
Leaf blight is a major disease of green garlic and, in severe cases, causes the entire leaf to die off, affecting yield. I. Symptom identification This disease mainly damages leaves and flower stalks. When leaves are infected, it usually starts from the leaf tip and gradually develops toward the leaf base, spreading from the bottom upward. At first, pale white small round spots appear, which later expand into oval or irregular grayish-white or grayish-brown lesions, and black mold-like growth develops on the diseased parts; in severe cases, the entire leaf dies off. When flower stalks are infected, they tend to break at the diseased part, and finally many small black grains are scattered on the lesions.
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