Helicoverpa armigera Learn more about Helicoverpa armigera
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How to identify Helicoverpa armigera and Helicoverpa armigera of Noctuidae? How to prevent and cure it?
Helicoverpa armigera and Helicoverpa armigera are two very similar insects, which are difficult to distinguish in production. They both belong to the family Lepidoptera, also known as Helicoverpa armigera and Spodoptera litura, widely distributed. So how to identify Helicoverpa armigera and Helicoverpa armigera? How to prevent and cure it? Cotton bolls in life
2020-11-09 How to identify Noctuidae Helicoverpa armigera tobacco green insect how to -
How many generations of Helicoverpa armigera occur in a year? How to prevent and cure? What kind of potion do you use?
Helicoverpa armigera, Lepidoptera and Noctuidae are widely distributed in China and around the world, and occur in cotton and vegetable growing areas in China. Cotton bollworm (Helicoverpa armigera) is an important boring pest in cotton bud and boll stage, which mainly eats buds, flowers, bolls and tender leaves. The cotton bollworm happens in a year.
2020-11-09 Cotton bollworm Helicoverpa armigera one year several generations -
New Mechanism of Resistance of Helicoverpa armigera to transgenic Bt crops discovered by Chinese Academy of Agricultural Sciences
New Mechanism of Resistance of Helicoverpa armigera to transgenic Bt crops discovered by Chinese Academy of Agricultural Sciences
2019-02-18 -
The latest course of Control techniques and methods of Helicoverpa armigera
Cotton bollworm (Helicoverpa armigera) is a major pest in cotton bud and boll stage. it is a species of Helicoverpa armigera belonging to the family Lepidoptera, which is widely distributed in China and all over the world. Cotton areas in China and vegetable growing areas have suffered more seriously in the Yellow River and Yangtze River basins.
2020-11-10 The latest cotton bollworm control technology methods tutorials -
Control techniques of Helicoverpa armigera
Control techniques of Helicoverpa armigera
2018-07-01 -
China issues the first local standard for viral insecticides
Recently, the local standard "Helicoverpa armigera nuclear polyhedrosis virus suspension" in Hubei Province has been approved and officially released by the State Standards Commission. The standard is led by the Sun training discipline Group of Wuhan Institute of virus, Chinese Academy of Sciences, together with the relevant teams of Hubei Academy of Agricultural Sciences and other institutions.
2016-01-10 China released the first virus insecticide local standard recently -
Control of the third Generation Helicoverpa armigera in growing Cotton
First, artificial collection of eggs to kill insects. Since most of the third generation cotton bollworms are in the flowers and bolls of insect-resistant cotton, for insect-resistant cotton fields, abortive flowers should be removed in time and pests should be killed artificially. Other cotton fields can be combined with pruning and forking to collect eggs and kill insects and take the remaining branches and leaves out of the field.
2020-11-08 Species cotton third generation cotton bollworm control one artificial -
The role of viral insecticides in the control of Helicoverpa armigera
The main results are as follows: 1. the important feature of insect viruses in pest control is that their specificity to hosts is an ideal means of control in the integrated control system. the potential of beneficial insects in the whole ecosystem is utilized. The participation of viral pesticides in biological control is a means of ecological control.
2018-07-15 -
Peanut planting techniques: what are the diseases and insect pests of peanuts?
What are the diseases and insect pests of peanuts? How to prevent and cure? Also ask netizens to help introduce the main diseases and insect pests of peanuts are leaf spot, cotton bollworm and red spider, and the harm and control methods of farming web, which are listed below for netizens' reference. First, the harm of peanut leaf spot: peanut leaf spot is mainly brown spot.
2018-07-17 -
Which insect pests need to be controlled in aloe culture?
Which insect pests need to be controlled in aloe culture? Please introduce and guide the control methods of aloe vera pests are red spiders, aphids, cotton bollworm, shell insects. These pests mainly harm the seedlings or tender leaves of aloe, and the occurrence quantity is small. First, red spiders, aphids: red spiders, aphids generally occur in spring, summer and autumn.
2018-07-17 -
How to improve the effect of preventing diseases and insects with fertilizer?
One of the biggest problems to be dealt with in the planting process is disease and insect control, and we can solve this problem through reasonable fertilization. So, how to improve the effect of preventing diseases and insects with fertilizer? First, how to improve the effect of preventing diseases with fertilizer? adequate manuring
2020-11-09 How to improve fertilizer disease prevention pest control effect planting -
What kind of insects does triazophos mainly kill?
Triazophos can be used in rice, cotton, vegetables and other crops to control pests such as borer, rice planthopper, aphid, cotton red spider, cabbage worm, Leiden, leek maggot, ground tiger and so on. Among them, the rice insects are mainly Chilo suppressalis, Chilo suppressalis, Chilo suppressalis and Rice gall midge. Cotton worm master
2020-11-09 Triazole phosphorus main fight what insect triazole phosphorus can be used for -
How to use fertilizer to kill insects?
How to use fertilizer to kill insects? Please introduce the method of using fertilizer to kill insects. You can refer to the following methods: phosphate fertilizer. Helicoverpa armigera is most afraid of phosphorus at egg stage and escapes as soon as it sees phosphorus. According to this characteristic, 2% superphosphate leaching solution can be used to spray cotton leaves, leaving 1 row every 5 rows without spraying, driving cotton bolls.
2018-07-14 -
Transplanting after standard hybrid A1 cotton wheat
Bianza A1 is the first cotton hybrid cultivated by Plant Protection Institute of Henan Academy of Agricultural Sciences in Henan Province. The variety has tall plant type, chicken claw leaf, plant height of 1.3 to 1.4 meters, 40 fruit branches per plant (including secondary fruit branches on vegetative branches), 40 bolls per plant, 5.1 grams per boll weight, 41% lint percentage and good early maturity. the growth period is 115-120 days, which is suitable for post-harvest transplanting of barley, wheat or rape in the Huang-Huai and Yangtze River cotton areas. The yield of lint per mu is 100kg to 160kg, and the highest yield per mu can reach 200kg.
2019-01-16 -
How does acephate work?
How does acephate work? Please introduce the characteristics of acephate as an internal inhalation insecticide, which has stomach toxicity and contact effect, and can kill eggs and fumigation to a certain extent. it is a slow-acting insecticide, which has synergism and lasting effect if mixed with carbaryl, dimethoate and other pesticides. The scope of application is suitable.
2018-07-18 -
Are ladybugs beneficial bugs or pests?
Are ladybugs beneficial bugs or pests?
2018-07-04 -
Is the 11-star ladybug a pest?
Is the 11-star ladybug a pest?
2018-07-04 -
What is acephate?
What is acephate? Please give an introduction to acephate: other names high methamidophos toxicity acephate is low toxic insecticide. The oral LD50 of rats was 945mg / kg, and the percutaneous LD50 of rabbits was 2000 mg / kg. Beagles were fed with 1000 mg / kg daily for 1 year without any pathological changes.
2018-07-14 -
Occurrence regularity and Control of Cotton pests under drip Irrigation
With the large-scale application of drip irrigation cotton technology, its irrigation mode has been improved, and it transports water and nutrients uniformly and continuously to the vicinity of cotton root system, and the matching techniques of cotton cultivation are changed. as a result, the ecological environment and occurrence law of pests in cotton field have changed accordingly. Therefore, it is necessary to find out the occurrence regularity and control measures of cotton pests under drip irrigation under plastic film, so as to ensure a sustained and balanced yield increase of cotton. 1. Cotton bollworm 1. Compared with previous years, the degree of occurrence was moderately severe in 2005.
2019-01-15 -
Which pests can chloramidophos fight?
Which pests can chloramidophos fight? Please introduce 30% chloramidophos EC, which is a new insecticide with independent intellectual property rights, which can effectively control a variety of pests, mainly rice leaf roller larvae. Such as Chilo suppressalis, Rice planthopper, leafhopper, Helicoverpa armigera, cabbage worm, beet armyworm, etc.
2018-07-14