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Lycium barbarum gall mite and its control
Lycium barbarum gall mite belongs to the family gall mites. In order to damage leaves, tender shoots, petals, buds and young fruits of Lycium barbarum, purple or yellow diseased galls were formed in the affected parts. Lycium barbarum gall mites overwintered as mature adult mites in the scales of winter buds or in the cortical cracks of branches. In April of the following year, adult mites moved to the new leaves of old branches to lay eggs, and after hatching, nymphs invaded plant tissues to cause galls. Gall mites climbed from galls to new shoots in mid-late May, and the first peak period of reproduction was formed in late June. By the middle of August, when the autumn shoots grow, the gall mites turn to the new shoots.
2019-01-15 -
Attention should be paid to the control of chestnut gall wasp this year.
Chestnut gall wasp, also known as chestnut tumor wasp, is the main pest that harms Chinese chestnut, which occurs almost every year in Chinese chestnut producing areas, but it is particularly serious this year. The injured rate of big trees, especially old barren trees that can not be pruned, is up to 100%. It is urgent to control chestnut gall wasp. The chestnut gall wasp occurs one generation a year and overwinters as the first instar larvae in the killed chestnut buds. In Yanshan mountain area, the overwintering larvae begin to feed actively in the germination period in mid-April and grow rapidly. In early May, galls form in the shoot and leaf expansion stage, and most of the gall tumors are at the top of the new branches.
2019-01-15 -
What are the specific drugs for gall mites?
Gall mite is a common pest, which can be seen in crops planted in various regions of our country, so what specific medicine does gall mite have? Introduction to the basic situation of gall mites as a common pest, gall mites are generally distributed in Guangdong, Guangxi, Fujian, Hainan, Sichuan and Yunnan
2020-11-08 Gall mite have what specific medicine gall mite is a kind of common -
Control of gall mites in Litchi
Litchi gall mite, also known as litchi gall wall lice, litchi hairy spider, the injured leaves are called felt disease. To harm litchi and longan. Adult mites and nymph mites are harmful to tender shoots, leaves, flowers and young fruits, sucking liquid juice. For the injured leaves, yellow-green patches appear on the back first, and the damage spots are concave.
2020-11-08 Species litchi gall mite control also known as gall wall -
"Snake gallbladder" can snake gall be eaten raw? How do you eat it? What does it look like? What are the effects and effects?
Many areas of Zhejiang have the custom of swallowing snake gall alive. They feel that eating snake meat and swallowing snake gall can cool and dispel summer heat. All snake gall can be used as medicine, especially the gall of gold ring snake, silver ring snake, chessboard snake, cobra, king cobra, five-step snake and Agkistrodon halys.
2020-11-11 "Snake gallbladder " Snake gallbladder Snake gallbladder -
Control of chestnut gall wasp
Chestnut gall wasp DryocosmuskuriphilusYasumatsu belongs to the family Cynipidae, also known as chestnut tumor wasp. Chestnut producing areas are widely distributed, causing damage to larvae in the new buds of chestnut trees. When the chestnut buds germinate in spring, the injured buds can not germinate, gradually expand and form galls, and sometimes there are abnormal leaflets on the gall tumor. In severe cases, the tree is weak, which can cause branches or the whole plant to die. The body length of the morphological adult is 2.5ml 3mm, and the head and abdomen are dark brown.
2019-01-16 -
How to kill goji berry gall mite
Lycium barbarum gall mite, also known as large tumor gall mite, is a common pest that harms leaves, buds, young fruits, tender stems, petals and flower stalks of Lycium barbarum. So how do you kill goji gall mites? How to prevent? How to kill goji berry gall mite? You can use 50% acaricide directly.
2020-11-08 how to kill goji berries gall mites goji berries also known as large tumors yes -
How to control gall mites in longan tree?
What harm does the gall mite of longan tree have? How to control gall mites in longan tree? Ask netizens to help guide the farming network to sort out the harm and control methods of longan tree gall mites, which are listed in detail below for netizens' reference. The harm of longan tree gall mites: adult mites, nymph mites and young mites can feed on longan tree gall mites.
2018-09-08 -
Lycium barbarum red gall midge and its control
Lycium barbarum red gall midge belongs to the gall mosquito family. The larvae are harmful to the ovary in the seedlings, forming abnormal buds and can not blossom. Lycium barbarum red gall midge has about 6 generations a year, overwintering as mature larvae in the soil, pupating in spring the following year, adults appearing in buds in mid-April and peak in May, laying eggs at the top of young buds. The larvae ate the ovary and the injured buds were deformed. Fall off because it can't blossom. In late September, the mature larvae were buried in the soil to overwinter. The method of prevention and control is to spray 50% 1605 EC 1000 times in the middle of April.
2019-01-15 -
Rhododendron gall disease
Symptoms: it can harm the twigs, shoots and leaves of rhododendron. After the injury of the leaf, the margin or the whole leaf was swollen and hypertrophic, showing tumor-like or hemispherical fleshy gall. After the twig was damaged, it also swelled and thickened into fleshy galls, affecting the shoot. After the flower is damaged, the white powdery mildew layer appears on the petal surface or depression, that is, the seed layer of the pathogen. In the later stage, the galls turned brown and withered and fell off. Pathogens and disease status: pathogens: hemispherical epidiomycetes Exobasidiumhemisphaer-icumShirai, basidiomycetes subphylum, stromatomycetes, exophytes
2019-01-16 -
Medicinal use and processing of snake whip and snake gall
First, the medicinal use and processing of snake whips, that is, the reproductive organs of male snakes. A complete pair of snake whips consists of two gonadal testicles and two copulators, which contain testosterone, protein and other ingredients. In traditional Chinese medicine, there is a theory of "replenishing dirty organs with dirty organs and seeking for the same gas phase". According to the determination of relevant scientific research departments, the kidney tonifying substance contained in snake whip is 10% higher than that of deer whip and more than 30% higher than seal kidney and dog kidney. Snake whip has the function of tonifying kidney and invigorating yang and warming internal organs. It can treat impotence, kidney deficiency, tinnitus, chronic orchitis, women's uterine cold infertility and so on. Rejoin the snake whip
2019-01-16 -
Orchid nematode disease and its control
Orchid nematode disease and its control
2018-05-05 -
Control of pear gall midge
Pear gall midge, also known as flower bud maggot, belongs to the family Diptera. The adult lays eggs in the bud. After the eggs hatch, the larvae (maggots) drill into the buds to eat stamens, the damaged buds can not open normally, wither and fall off. In recent years, the damage of pear gall mosquitoes in our county tends to be serious. In 2006, the average damage rate of single flower was 3.25%, and that of serious pear orchards was 27.64%. In 2007, the average damage rate of single flower was 9.25%, and that of serious pear orchards was 45.7%, which has seriously affected the fruit rate of pear trees. According to this site, March 9-
2019-01-16 -
Control methods of longan gall mite
The damage was caused by sucking juice in the terminal buds and spikes of longan shoots, which led to the shortening of spike internodes, and the florets could not bloom and develop into bloated flowers for a long time. Guangdong fruit growers are commonly known as "ghost flowers"; the new shoots are arched claw-shaped, leaf edges curled, can not be expanded, fruit farmers call them ghost tips, especially ghost flowers can not bear fruit.
2018-09-15 -
Control of leaf gall midge caused by insect pests of mango
This insect is a frequent and important pest and is distributed in Guangdong, Guangxi, Hainan, Yunnan, Fujian and other producing areas. The insect is seriously damaged shoot stage leaves, each leaf may have several or more than a dozen galls, which has a great impact on the quality of new shoots, and the damaged leaves leave a large number of perforations.
2020-11-08 Species mango pest leaf gall mosquito control this insect in Guangdong -
Introduction to the value of herring gall grass points for attention
Introduction to the value of herring gall grass points for attention
2019-02-25 -
The new star of flowers and trees "Erythrina japonica" creates gall like tumor on trees
In the list officially released and confirmed as new species in 2004, there is a small bee named Erythrina gallwasp (EGW), which is called "Erythrina gallwasp" in China. A New Star in Biological Invasion
2018-07-16 -
Prevention and control of edible fungus diseases and orchid nematode disease
Control methods of orchid nematode disease
2019-06-03 -
Control of jujube gall midge, a pest of jujube trees
Jujube gall midge (Contariniasp.) (1) alias and taxonomic status jujube bud maggot, curly leaf maggot, jujube maggot, belonging to Diptera, gall mosquito family. (2) the insect is distributed in all jujube areas in China, and the damage is the most serious in Shandong, Shanxi, Henan, Hebei and Shaanxi.
2020-11-08 Species jujube tree pest jujube gall midge control -
What are the damage characteristics and living habits of jujube gall midge
Jujube gall mosquitoes are commonly known as curly leaf maggots, jujube maggots, which harm the young leaves of jujube trees with larvae, making the injured leaves curl vertically to the leaves. The curly leaves were purplish red in the early stage and brownish green in the later stage. The injured leaves gradually withered and scorched and fell off. Jujube gall midge produces 5-6 generations every year and overwinters as larvae in the shallow soil under the tree. The larvae began to roll leaves in late April, and the damage reached its peak in early May. The first generation of pupae was in early June and emerged as adults in early June. A large number of larvae occurred in Beijing from May to June, and the damage was the most serious. The larvae matured in about 10 days. Late August
2019-01-16