corn borer Learn more about corn borer
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What are the reasons for the occurrence of corn borer?
What are the reasons for the occurrence of corn borer? Please introduce the reasons for the occurrence of corn borer as follows: (1) population base: the population base of the previous generation is an important factor affecting the severity of corn borer damage. The number of insect population is large, which often causes serious damage under suitable environmental conditions. ...
2018-09-08 -
Living habits, harmful characteristics and control methods of corn borer, a Lepidoptera pest
Corn borer belongs to Lepidoptera, Pyralidae. Distributed in Europe, North America and Northwest Africa, the dominant species in China is Ostrinia furnacalis. European corn borer is mainly distributed in Inner Mongolia, Ningxia and Hebei. These provinces are mixed areas of European corn borer and Asian corn borer, Changji.
2020-11-09 Lepidoptera order pest corn borer life habit harm -
How does the newest trichogramma control corn borer?
Trichogramma has many kinds in nature. The Trichogramma used to control corn borer is Trichogramma pine caterpillar. Generally, Trichogramma is artificially released to the field at the initial stage of egg laying of corn borer adults, so that eggs are laid in corn borer eggs and eggs cannot hatch into larvae.
2020-11-10 latest red eye bee how to control corn borer in -
How does Trichogramma control corn borer?
How does Trichogramma control corn borer?
2018-07-01 -
When is the best control effect of corn borer?
When is the best control effect of corn borer? Please give guidance that corn is vulnerable to pests from emergence to maturity. In order to obtain high quality and high yield of corn, it is very important to control pests reasonably. In particular, the harm to corn borer should not be taken lightly. Corn borer, also known as drillworm, is more common on corn.
2018-09-08 -
What kind of medicine do corn heart-eating insects take?
Heart borer is one of the more common insect pests in corn. If the heart borer enters into the corn, it can not be controlled. Therefore, attention must be paid to prevention and control. So what kind of medicine do corn heart-eating insects take? What kind of medicine does the corn heart borer take? once the heart borer is eaten into the fruit,
2020-11-08 Corn heart borer dozen what medicine yes corn comparison -
What are the harmful symptoms of corn borer? How to control corn borer?
Corn borer is a common pest, which mainly harms crops such as sorghum and corn, which hinders the growth of crops and aggravates the problems of yield and quality. Then how to prevent and cure it? Life habits: this insect is the main pest in the middle and late growth stage of sorghum, but
2019-01-26 Corn borer harm symptoms how control corn borer -
The insecticidal pheromone formula is used to reduce the harm of Ostrinia furnacalis.
In addition to the breeding work, the agricultural testing institute also has a key work, that is, keeping seeds. When keeping seeds in corn fields, agricultural testing institute researchers will encounter a serious problem of corn borer. In the past, they used to spray pesticide Taosong to prevent
2019-05-28 -
How to control corn borer?
How to control corn borer? Please introduce the methods of corn borer control with reference to the following methods: corn borer control at heart and leaf stage: fields with a mosaic rate of 10% are treated comprehensively at the end of heart and leaf; if the mosaic rate is less than 10%, they can be treated as appropriate; the mosaic rate is more than 20% or 100 egg blocks are more than 30.
2018-09-08 -
Which pesticides can control corn borer?
Which pesticides can control corn borer? Please introduce corn borer in detail, you can refer to the following methods to control corn borer: in the trumpet mouth of corn, the dosage is 1 kg / mu. The prevention and control methods of drug irrigation in corn ear stage are as follows: 25% insecticidal double water agent 500 times.
2018-09-08 -
What are the common diseases and insect pests in corn
The common diseases and insect pests in corn are corn borer, armyworm, cotton bollworm, aphid, corn leaf mite and so on. Control methods: spraying plants with 2.5% cyhalothrin 2000-2500 times solution can control Lepidoptera pests such as corn borer, armyworm, cotton bollworm, etc.
2020-11-08 Corn common diseases and insect pests which summary corn -
It is the key for timely control of corn core borer to seriously affect maize yield.
Wheat has been harvested for more than 20 days now, corn has been planted in most areas, and corn in Northeast China has also entered the jointing stage. The management of corn is very important, which is related to the yield of corn. Corn drill into the heart.
2018-07-07 -
The damage of maize diseases and insect pests is getting worse in China.
In recent years, the planting area of corn in China has increased steadily. In 2014, the planting area of corn in China reached 553 million mu, which has become the largest food crop in China. With the adjustment of planting structure, the change of cultivation techniques and the change of new varieties, the damage of corn in China
2016-01-10 In China corn diseases and insect pests harm present aggravate trend in recent years -
How to control corn armyworm and meadow borer? With what medicine prevention and control effect is good?
At present, it is an important period for the prevention and control of diseases and pests. According to monitoring, the peak of the first generation of armyworm adults in Jianghuai, Huanghuai and other places concentrated on migration to the Northeast and North China. At the same time, affected by the suitable factors of overseas insect sources and migration conditions, eastern Inner Mongolia, Heilongjiang and western Jilin Province
2020-11-09 Corn armyworm and grass borer how control use what medicine -
What are the main diseases and insect pests of sweet corn?
What are the main diseases and insect pests of sweet corn? How to control the main diseases and pests of sweet corn are: corn borer, big. Leaf spot and sheath blight. First, the occurrence of diseases and insect pests: corn borer: moderate, local heavy occurrence. According to the survey, the average injury rate of mature corn plants is 10.06%, and the average of serious fields.
2018-09-09 -
Culture methods of corn insects
Corn insects often appear in corn and other species, and their whole body is dark yellow. Here are the methods of corn insect culture. 1. Corn insect culture methods Corn worms can grow and reproduce normally when the temperature is kept at 20 to 40 degrees Celsius. Feed corn stalks, each head.
2020-11-11 Corn insects farming methods corn etc. cropping species often -
What medicine does the corn bore insect spray
Corn in the growth period, there will be a variety of pests, and drill is the most common one, that corn drill what medicine spray? 1. What kind of medicine does corn borer spray? Corn borer can spray phoxim, methamidophos, chlorpyrifos, dichlorvos, trichlorfon and other pesticides
2020-11-08 corn borer spray what medicine in health long term -
What should be paid attention to in each period from sowing to harvest of corn? What kind of medicine should be used for diseases and insect pests?
It is the spring ploughing season to prepare for the crop seeds to be sown. What the editor introduces to you today is what should be paid attention to during the period from sowing to harvest of corn. What kind of medicine should be used for diseases and insect pests? Let's take a look. March to mid-early April: broadcast
2020-11-09 Corn from sowing to harvest each period should pay attention to -
What are the common diseases and insect pests of cotton? Control techniques of Diseases and insect pests in Cotton
Cotton is one of the most important crops in the world, with high yield and low production cost, which makes cotton products relatively cheap. Cotton fibers can be made into fabrics of various specifications, from light and transparent Barry yarn to thick canvas and velveteen. Suitable for making all kinds of clothes, furniture cloth and industrial cloth
2018-09-08 -
High-yield planting techniques and Pest Control of Maize
Corn is an important feed crop, industrial raw material and food crop in China, and its position in China's planting industry is extremely important. If you want to increase the yield of corn,.
2019-02-26