Plutella xylostella Learn more about Plutella xylostella
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What are the specific drugs for Plutella xylostella?
What are the hazards of Plutella xylostella? What are the specific drugs for Plutella xylostella? Plutella xylostella is a worldwide migratory pest. Plutella xylostella mainly harms cabbage, purple cabbage, broccoli, cabbage, mustard, cauliflower, cabbage, rape, radish and other vegetable plants.
2018-07-11 -
Effective control of Plutella xylostella with bacterial insecticides
Plutella xylostella appears all the year round, and bacterial insecticides are skillfully used to control Plutella xylostella. The control effect of bacterial insecticides is better for Lepidoptera pests such as Plutella xylostella. There are many kinds of bacterial insecticides, and the first high-efficiency Bt in China is Bacillus thuringiensis. The commonly used dosage is 8000 international units / ml per mu.
2018-07-15 -
Occurrence regularity, damage characteristics and control techniques of migratory pest Plutella xylostella
Plutella xylostella belongs to the family Lepidoptera, Plutella xylostella, alias: small green worm, two pointed. The migratory pest of diamondback moth (Plutella xylostella) is characterized by many generations, strong reproductive ability, wide host range, high level of drug resistance and difficult to control. Mainly harmful to cabbage, purple cabbage, broccoli,
2020-11-09 Migration sex pests Plutella xylostella moths occurrence regularity damage -
Insect growth regulators for the control of Plutella xylostella
The emergence of Plutella xylostella has seriously affected the growth of crops. Insect growth regulators and other pesticides are selected to completely eliminate Plutella xylostella. One can be sprayed with 10.8% pyridyl ether EC 800kg 1500 times; second, 5% fluorouracil EC 30g 60ml with 30 jin of water; third, 5% methylvitamin saline dispersible granules can be sprayed with 5g with 30jin of water.
2018-07-15 -
What is the occurrence regularity of Robinia pseudoacacia (Plutella xylostella)?
The occurrence regularity of Robinia pseudoacacia (Plutella xylostella): one generation a year occurs in Hebei, Shandong, Jiangsu, Anhui and other places, and the mature larvae drill into the soil 10 to 15 cm deep to overwinter. Pupation began in the first and middle June of the following year. The pupal stage ranges from 10 to 15 days. The adult Eclosion occurred in the first and middle of July, and the peak of emergence was in the middle of July. The adults lie still in the branches and leaves during the day and begin to move in the evening, and the adults have phototaxis. Generally, eggs begin to lay eggs 3 hours after mating, and the eggs are mostly laid on the back of the leaves and a few on the front. The average number of eggs laid by each female is about 350. Adults 7 to 10
2019-01-15 -
Introduction and control of cabbage moth
Brassica juncea is an annual or biennial herb belonging to Brassica in Cruciferae family. It is a famous specialty vegetable in China. It is a common vegetable cultivated all over the country and distributed in the provinces south of Yangtze River. Mustard (original variety)
2020-11-08 mustard pest cabbage moth introduction and control Brassica -
Formation characteristics and control of Plutella xylostella
Morphological features: the adult is orange-yellow, with filamentous brown diagonal antennae, converging at one point on the wing tip. It is inverted v-shaped, the hind wings are grayish yellow, the feet are brown, the eggs are flat and oval, yellowish. The larva is slightly rectangular, the front end is slightly larger, the body color is bright, the body back moth has a large purple spot, and the head is dark brown. The cocoon is oval. 12m...
2018-09-09 -
Control of Plutella xylostella
Morphological features: the adult is orange-yellow, with filamentous brown diagonal antennae, converging at one point on the wing tip. It is inverted v-shaped, the hind wings are grayish yellow, the feet are brown, the eggs are flat and oval, yellowish. The larva is slightly rectangular, the front end is slightly larger, the body color is bright, the body back moth has a large purple spot, and the head is dark brown. The cocoon is oval. 12m...
2018-09-09 -
What about poplar worms?
There are many kinds of diseases in poplar, and the damage is serious. The main pests are Plutella xylostella, Plutella xylostella and so on. So, what about poplar worms? First, what to do with poplar worms? 1. Artificial hunting. According to what the adults bite when they lay eggs
2020-11-08 Poplar insect how to do poplar disease many kinds and -
The latest control methods of main insect pests in Chinese cabbage
The main pests of Chinese cabbage are aphids, Plutella xylostella, Pieris rapae, Chilo suppressalis and yellow striped jumping beetle. Effective control of these pests is a necessary guarantee for high yield of Chinese cabbage. How can we control these pests? Next, the editor of Qiannong Network will introduce these worms of green vegetables to you.
2020-11-10 The latest green vegetables main insect pests control methods -
Control methods of main insect pests in Chinese cabbage
Control methods of main insect pests in Chinese cabbage
2018-07-05 -
How to deal with the rising resistance of common crop pests? Why resistance?
Drug resistance, also known as drug resistance, refers to the reduction of sensitivity of pathogens and tumor cells to chemotherapeutic drugs. How to deal with the rising resistance of common crop pests? Why resistance? How to deal with the rising resistance of common crop pests? 1. Rice
2020-11-09 crop common pest resistance rise how response -
What medicine to prevent what harm, what vegetable to give what medicine! Take a quick look.
What medicine to prevent what harm, what vegetable to give what medicine! Take a quick look.
2019-02-20 -
Control of main insect pests in summer cabbage
1. The nutrient solution formula of kale in Beijing is the same as that of hydroponic lettuce, which will not be repeated here. two。 Nutrient solution concentration management kale has strong fertility absorption and requires sufficient fertilizer. The concentration management index of nutrient solution is 2.5-3.0ms/cm, which can be used from planting to harvest all the time. 3...
2018-09-12 -
Available pesticides and pesticides for pollution-free vegetables
Biological pesticide: BT, the Chinese name is Bacillus thuringiensis, is a bacterial insecticide. This variety has been fully used in the main vegetable areas of our country and achieved good economic benefits. But at present, there are many BT manufacturers with different quality, so we must choose the variety with good quality when using it. Note: BT is aged at a slightly higher temperature.
2018-07-15 -
Common pesticides and pesticides in pollution-free vegetables
Biological pesticide: BT, the Chinese name is Bacillus thuringiensis, is a bacterial insecticide. This variety has been fully used in the main vegetable areas of our country and achieved good economic benefits. But at present, there are many BT manufacturers with different quality, so we must choose the variety with good quality when using it. Note: BT is aged at a slightly higher temperature.
2018-07-15 -
What are the control techniques of grape feather moth?
Growers always say that there are many grape diseases and often ignore the problem of grape pests. In recent years, the harm of Plutella xylostella has increased year by year in the main grape producing areas, so what are the control techniques of grape moth? 1. The characteristic adult of Plutella xylostella: about 20 mm long, with a wingspan of 30-36 mm.
2020-11-09 Grapes feathers moths control technology which growers always say -
Physical control of vegetable pests is effective.
Physical control of vegetable pests is effective.
2018-07-11 -
Planting of Radix Isatidis: how to control diseases and pests of Radix Isatidis?
How to control diseases and insect pests of Radix Isatidis? Please introduce the common diseases and insect pests of Radix Isatidis, such as downy mildew, root rot, Pieris rapae, Plutella xylostella, etc., the following detailed control methods for reference: 1, downy mildew: the main harm to leaves and petioles. Pay attention to drainage, ventilation and light transmission; use 50% acetaminophen 1000 before and at the beginning of the disease.
2018-07-17 -
When to plant seeds?
The planting time of spore cabbage should be determined according to the variety and cultivation area. In Shanghai, early-maturing varieties are generally selected for open-field cultivation and sown in late July and early August; early-maturing and middle-maturing varieties can be selected for protected cultivation and sown in late July to early September. spore cabbage pest
2020-11-09 spore cabbage when planting sweet blue