whitefly Learn more about whitefly
-
What are the whitefly pests? What are the harmful symptoms of whitefly?
What are the common whiteflies? Whitefly will bring some harm to agricultural products, let's take a look at it together and understand it first. Silver leaf whitefly belongs to Aleyrodidae of Homoptera family Homoptera. It has invaded the island of Taiwan since 1978, endangering the species.
2019-01-04 Whitefly pest some whitefly harm symptom yes. -
Whitefly control: spiral whitefly control, how to control spiral whitefly?
There are two methods to control whitefly, one is physical control, the other is biological control. What are the natural enemies of spiral whitefly? Let's take a look. 1. The leaf back of guava was treated every 2 days at a water rate of 12.5 litres per minute in the field.
2019-01-04 Whitefly control helix how whitefly -
What pesticides are used by whitefly whitefly
Whitefly whitefly is a common pest, the damaged leaves will appear green yellow and white spots, which expand into pieces with the aggravation of the damage. So what kind of pesticide is better to use for whitefly? 1. The morphology of whitefly whitefly. The adult length of whitefly whitefly is 1.0-1.3 mm.
2020-11-08 Black spiny powder lice what pesticide black stinging powder louse yes a kind of -
What are the types of whitefly, whitefly and whitefly?
Whitefly spiralis is a new invasive pest in Hainan Province, which has the characteristics of multiple modes of transmission, multiple host species and rapid reproduction. Then its morphology and life history and harm, you want to know about it, this is a good help to control spiraling whitefly. twist
2019-01-04 whitefly species of spirals harm have which -
What are the common species of citrus whitefly? Integrated prevention and control technology
Citrus whitefly is one of the common pests in citrus planting. Once it occurs, it will have a great impact on the quality and yield of citrus. Therefore, it is necessary for growers to have a full understanding of the pest. Let's take a look at the common species of citrus whitefly.
2020-11-08 Citrus whitefly have which common species attached integrated control -
What are whitefly control methods?
What harm does whitefly have? What are whitefly control methods? Whitefly, also known as white moth, is a worldwide pest that occurs all over our country. Whitefly affects cucumbers, beans, eggplant, tomatoes, peppers, wax gourd, beans, lettuce, cabbage, celery, and cabbage.
2018-07-11 -
How to control whitefly in greenhouse balsam pear?
How to control whitefly in greenhouse balsam pear? Greenhouse whitefly, also known as greenhouse whitefly, belongs to Homoptera, whitefly family. In the late 1970s, with the expansion of greenhouse, plastic greenhouse and other protected vegetables, the occurrence and distribution of this insect showed an expanding trend. At present, it has occurred and damaged in most parts of our country.
2018-09-10 -
Control methods of whitefly
Control methods of whitefly
2018-08-09 -
How to control tea spiny whitefly?
How to control tea spiny whitefly? Please guide tea black whitefly to do obvious harm to tea buds and leaves. Generally, the nymphs of whitefly are found in the leaves of tea garden. most tea farmers do not know the adults of whitefly, and the intake of a large number of adults directly affects the quality and yield of tea production. ...
2018-07-18 -
Control of rice diseases and insect pests: how to control rice whitefly?
How to control rice whitefly? What are the hazards of rice whitefly? How does rice whitefly happen? Please introduce the harm of rice whitefly: Rice whitefly, also known as rice whitefly, is a new pest on rice. In addition, damage to sugarcane, corn and other food crops, as well as horse tang, paspalum grass, gold and other crops.
2018-07-18 -
How to treat whitefly? What is the control method of whitefly and what medicine is used for whitefly?
We should understand the characteristics of pests and various control methods, apply correct control techniques, observe the safe harvest period, change farming management methods, and select pesticides with low toxicity to natural enemies in order to protect or release natural enemies, so as to reduce pesticide residues and pollution and ensure hygiene.
2019-01-04 Whitefly how treatment control method what is it and use should -
Control methods of flower whitefly and understand the cultivation techniques of edible fungi
Control methods of White whitefly in Flowers
2019-06-03 -
Occurrence and control of citrus whitefly
Dialeurodescitri(Ashmead), also known as citrus whitefly, paniculus paniculatus, orange whitefly. In recent years, citrus orchards have been seriously damaged in northwest Fujian, and the damage has changed from partial to piecemeal, and there is a trend of aggravation. Adult and nymph suck plant juice
2020-11-08 species citrus whitefly occurrence and control citrus nakedness -
Identification and control of tea whitefly whitefly
Black whitefly, also known as orange whitefly, belongs to the family Homoptera, which can damage tea, citrus, grapefruit, Camellia oleifera and other plants. The larvae settled on the back of the leaves to suck juice and excreted "honeydew", which led to the occurrence of bituminous disease, hindered photosynthesis, decreased tree potential, sparse buds and even dried up branches and leaves. The adult worm is 1.35 mm long. Except for the orange belly, it has purple-brown body wings, seven white spots around the forewings, light brown rear wings, no spots, thin white wax powder on the body surface and red eyes. The egg is shaped like a banana.
2019-01-11 -
Control methods of Cucumber whitefly
Control methods of Cucumber whitefly
2019-12-11 -
The latest control methods of cucumber whitefly
Bemisia Tabaci is a kind of pest that harms cucumber. It will fade, turn yellow and wilt when the cucumber leaves are removed, and the plant will die when it is serious. So farmers should do a good job in the control of cucumber whitefly. Let's take a look at the control of whitefly with Xiaobian.
2020-11-10 Latest cucumber powdery mildew lice control method white powder -
Occurrence characteristics and control techniques of black whitefly in tea plant
The black thorn whitefly mainly uses the larvae to absorb the tea tree juice on the back of the leaves, which causes coal bacteria parasitism and coal disease, and when it is serious, the tea tree is pitch black. The damaged tea trees had lower photosynthetic efficiency, lower germination density, late germination, thin bud leaves and serious defoliation, which not only affected the yield and quality of tea, but also seriously affected the potential of tea trees. 1. The occurrence characteristics of the insect occur for four generations a year, overwintering as mature larvae on the back of tea leaves, pupating in March in the second year, and the peak periods of the first to fourth generation larvae are in late May, mid-July, late August and September, respectively.
2019-01-16 -
The leaves of gardenia are covered with yellow and white flying insects, most likely infected with whitefly.
Gardenia flower many flower friends like to grow, I also like it, especially the gardenia flower fragrance is particularly pleasant. My home also has two pots of gardenia, now it is the season when gardenia blossoms, it is very beautiful. And big leaf gardenia flowers to see.
2018-06-19 -
Successful Breeding of Cotton Varieties Resistant to Whitefly
Successful Breeding of Cotton Varieties Resistant to Whitefly
2019-02-18 -
Orchid insect pest-- whitefly
Orchid insect pest-- whitefly
2018-05-02