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Occurrence and Control of the Giant Phorid Fly Pest on Reishi Mushrooms
Megaselis halterata Wood, synonym common phorid fly, Wolsin phorid fly. Belongs to Diptera, Phoridae. 1. Morphology and habits: adults are active, black to dark brown, body length 2-3 mm, antennae short, with arista. The mesonotum is rather strongly raised. Larvae are maggot-shaped, pale yellow to white, with a pointed front end of the head, the body has 11 incisions, the rear end is obliquely rounded, with 2 papillae, posterior spiracle type. Pupae brown. Eggs white, oval, egg stage about 7 days. Adults have strong phototaxis
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Occurrence and Control Methods of Major Diseases, Insect Pests and Rodent Pests of Lilies
Lily, also known as night lily, mountain lily, Zhongpeng flower, etc., is a plant that combines medicinal, edible and ornamental uses, with a large market demand. Lily is also a traditional export specialty of China and is planted throughout the country. However, with the expansion of lily planting area, diseases, insect pests and rodent pests have become increasingly serious, becoming the main factors restricting stable and high yields of lilies. The occurrence and control methods of the main diseases, insect pests and rodent pests of lilies are introduced as follows: 1 Main diseases and control 1.1 Main diseases There are many kinds of lily diseases, but fungal diseases such as gray mold and Fusarium wilt are the main ones.
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Occurrence of Pests and Diseases in Rice Seedbeds and Current Control Methods
During the rice seedbed stage, aphids, thrips, and damping-off disease mainly occur, harming the growth of rice seedlings. Adult and nymph rice thrips often gather at the leaf auricle, ligule, and inside the central leaf to cause damage; the affected parts first show small yellow-white spots, after which mottled white patches appear on the leaf surface. Affected seedlings recover green slowly, become stunted and fail to grow, appearing as if "stuck in the clump." Damping-off disease mostly occurs in wet (semi-dry) seedling nurseries and dry seedling nurseries, causing seedling death. Because temperatures in early to mid-April are unstable, aphids, thrips, and damping-off disease are prone to occur, affecting full, uniform, and strong seedlings. Agricultural technology centers of all townships and subdistrict offices are requested to strengthen water
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Occurrence and Damage Characteristics of the Bridgeworm Pest on Lingzhi
The bridgeworm (Noctuidea) belongs to the family Geometridae. The lingzhi bridgeworm of this family (name to be determined) is an important pest damaging lingzhi. 1. Morphology and habits: The adult is 12 mm long with a wingspan of 25-28 mm, a small grayish-black moth. The antennae are filiform; the forewings are triangular with 8 black spots along the outer margin and one larger black spot in the middle of the costal margin; the hindwings are grayish-white. The egg is flat and round, 0.6-0.7 mm long and 0.4-0.5 mm wide, milky white initially and grayish-green before hatching. The mature larva is 22-25 mm long,
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Occurrence Patterns and Integrated Control Methods of Pests and Diseases in Goji Berry
Goji berry is a deciduous shrub of the genus Lycium in the Solanaceae family. Its fruit is called goji berry (Lycii Fructus), and its root bark is called Digupi (Lycii Cortex); both can be used as medicine. The tender stems and leaves are eaten as vegetables. It is distributed throughout China, mostly in the wild. The related species Lycium barbarum (Ningxia goji) is mostly cultivated; its fruit is called Xi goji or Gan goji and is used medicinally, mainly produced in Ningxia, Gansu and Inner Mongolia. Goji berry suffers from pests and diseases at every stage of growth, causing great economic losses to production. The occurrence and control methods of goji berry pests and diseases are introduced as follows: 1 Diseases 1.1 Black fruit disease (anthracnose) Main
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Occurrence Patterns and Control Methods of Lily Leaf Blight
Lilies originate from the eastern and central regions of China. They are relatively cold-tolerant, prefer strong light, and do not tolerate shade. Insufficient light will affect growth and flowering. A well-drained sandy loam rich in organic matter is suitable. Their disease resistance is poor, and they are susceptible to disease under high temperature and high humidity conditions. Lily plants are upright and elegant, with large, brightly colored flowers and many varieties. They are suitable for planting in patches or clumps at the edges of lawns or for forming flower borders, creating a quiet and harmonious effect. Lilies are also treasures for potted flowers and cut flowers. Lily leaf blight, also known as lily gray mold, affects the plant's photosynthesis, hinders growth, and reduces ornamental value. When the disease occurs severely,
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A Detailed Guide to the Occurrence Characteristics and Control Techniques of the Tea Black Spiny Whitefly
The black spiny whitefly mainly feeds on tea plant sap from the undersides of leaves as larvae and excretes honeydew, which attracts sooty mold fungi and induces sooty mold disease; in severe cases, the tea plants turn pitch black. Affected tea plants have reduced photosynthetic efficiency, lower sprouting density, delayed sprouting, thin and weak buds and leaves, and severe leaf drop, which not only affects tea yield and quality but also seriously affects the vigor of the tea plants. I. Occurrence Characteristics This pest has 4 generations per year, overwintering as mature larvae on the undersides of tea leaves, pupating in March of the following year; the peak periods of the 1st to 4th generation larvae are in late May, mid-July, late August, and late September to early October, respectively.
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How to control the Japanese wax scale on goldenrain tree? First understand its occurrence pattern
The Japanese wax scale (Ceroplastes japonicus Gr.) belongs to the order Homoptera, family Coccidae. Also known as the Japanese wax scale and the jujube armored wax scale, commonly called the jujube louse. When it breaks out over large areas on goldenrain trees, in severe cases the entire tree's branches and leaves are covered with the insects, and female insects attached to the twigs look like snow from a distance. The nymphs suck sap on the leaves, and their excrement covers the whole tree, weakening the tree's vigor and seriously affecting the landscaping appearance. Through two years of investigation and study, the occurrence pattern of this pest was clarified, and a satisfactory control method was found. This pest
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Occurrence Patterns and Control Methods of Garlic Blight
I. Symptoms Garlic blight mainly damages the leaves. In the early stage of infection, pale white to light yellow water-soaked spots appear in the middle of the leaf or at the leaf tip, with light green edges. The lesions expand quickly, and within 3 to 5 days half of the leaf or the entire leaf wilts and droops. When humidity is high, the lesions rot, causing the whole plant to die. II. Pathogen and Transmission Routes The pathogen overwinters as mycelium and chlamydospores in the underground parts of diseased plants or in the soil. When conditions are suitable the following spring, the diseased parts produce sporangia and zoospores. The zoospores spread through wind, rain and irrigation water, causing primary infection and secondary infection. III
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How to prevent and control garlic heart rot? Occurrence patterns and integrated control techniques
In recent years, the garlic industry in Pizhou City has developed rapidly, with the planting area growing from 3,333 hectares in the 1970s to 33,000 hectares in 2004, making it the largest garlic production area in the country and a national standardized high-quality garlic production demonstration county (city). However, with the expansion of garlic cultivation area and the extension of continuous cropping years, various pests and diseases have become increasingly severe, especially the damage from garlic heart rot, which has worsened year by year and seriously affects garlic yield and quality. 1 Occurrence patterns and damage symptoms ① Occurrence patterns In late February 2002
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