planthopper Learn more about planthopper
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How to control brown planthopper?
How to control brown planthopper? Please introduce the method to control brown planthopper, according to the occurrence and harm characteristics of brown planthopper, appropriate use of drugs, and according to the occurrence of brown planthopper in the field to select appropriate insecticides. Occurrence and damage characteristics of brown planthopper Brown planthopper is a migratory pest and cannot survive the winter north of latitude 25 °N.
2018-07-18 -
How to control rice brown planthopper and white-backed planthopper?
How to control rice brown planthopper and white-backed planthopper? Please introduce the method that brown planthopper occurs at grade 5 in two consecutive years, and has strong resistance to insecticide, while white-backed planthopper occurs in grade 3 to 4 in a row for many years. The main factors affecting the occurrence are migration and climatic conditions in summer and autumn. Brown planthopper broke out in the rice area of Vietnam in the winter of 2006.
2018-07-19 -
Planthopper is the only vector of Huanglong disease how to control planthopper on citrus
Planthopper is the only vector of Huanglong disease how to control planthopper on citrus
2018-07-14 -
Control of rice diseases and insect pests: how to control rice planthopper?
How to control rice planthopper? What harm does rice planthopper do to rice? Please introduce the harm of rice planthopper to rice: Rice planthopper is a frequent pest that seriously harms rice. At the initial stage of damage, there are many irregular brown spots on the stem, and when the damage is serious, the whole plant wilts and gradually expands into pieces.
2018-09-08 -
What are pear planthoppers most afraid of? How to prevent and cure it?
Friends who have not planted pear trees are relatively strange to pear planthoppers, and those who plant pear trees at home should be more familiar with pear planthoppers. It is one of the main pests of pear trees in China, mainly because the larvae feed on the leaves and twigs of pear trees, which seriously affects the yield and quality of pears.
2020-11-09 Pear wood lice fear what how control no planting over -
How is the flooding of rice planthopper more effective?
Abstract: Rice planthopper is serious. Timely drug control of rice planthopper is one of the diseases and insect pests in rice. Therefore, the control of rice planthopper does not mean that drugs can be solved.
2018-08-24 -
Specific drug for gray planthopper
Grey planthopper is widely distributed in East Asia, Southeast Asia, Europe and North Africa, and is distributed all over the country, especially in the Yangtze River Basin and northern rice areas. So what are the specific drugs for gray planthopper? Is there any good prevention and control method? I. specific drug control of gray planthopper
2020-11-08 Gray fly lice specific medicine ash fly widely distributed in East Asia in -
The harm of paulownia planthopper control methods of paulownia planthopper
The harm of paulownia planthopper control methods of paulownia planthopper
2019-03-04 -
What pesticides are used in rice planthoppers
For farmers, the most annoying thing is that hard-planted crops are attacked by various diseases. So what kind of pesticide does rice planthopper use? Let's take a look at this question together. What pesticides do rice planthoppers use? Rice planthoppers can use leaf cicada powder, imidacloprid,
2020-11-08 Rice flying lice use what pesticides for farmers for them the most -
How to control gray planthopper in corn?
How to control gray planthopper in corn? Please introduce the method when gray planthopper occurs in cornfields, it usually requires frequent and heavy use of drugs to control the number of insects. In recent years, accidents of drug damage to corn caused by improper use of drugs occurred frequently in production. Therefore, attention should be paid to the safe use of drugs in the control of gray planthopper. ...
2018-07-18 -
Fuyang stretcher-type high pressure sprayer to control brown planthopper
This year is the most serious pest of late rice brown planthopper in Fuyang in the past decade. Doing a good job in the control of late rice brown planthopper is related to the safety of grain production, the increase of farmers' income and the stability of rural society. Government departments at all levels in Fuyang City attach great importance to the control of late rice brown planthopper as the top priority of the current agricultural and rural work, and make concerted efforts to do a good job in the fight against brown planthopper. Fuyang Agricultural Machinery extension Station introduced and popularized the new stretcher-type high-pressure sprayer that once contributed to the increase of production and income of Torreya grandis in Dongqiao, and now it has made new achievements in the control of brown planthopper.
2019-01-15 -
Rice brown planthopper
Rice brown planthopper is also known as brown planthopper, commonly known as Ascaris lumbricoides, soft shell Ascaris, Ascaris, midges. Scientific name Nilaparvatalugens (Stdl) Homoptera, Homoptera. Brown planthopper (Nilaparvata lugens) is one of the main rice pests in China.
2018-09-13 -
Characteristics and control strategies of rice planthopper
Baohe Township, located in the southwest of Jinghe County, is a hilly area. The township has 9144 mu of arable land and 7813 mu of paddy field, which is a typical agricultural township in mountainous areas. Rice planthopper (Nilaparvata lugens) is a common pest that seriously damages rice in our village, causing losses to varying degrees every year. Especially in the past 2 years, due to the influence of climate and a series of factors, rice production.
2018-09-13 -
Prevention and Control of Gray planthopper in Corn Field
Prevention and Control of Gray planthopper in Corn Field
2018-07-24 -
Occurrence and Control measures of Maize rough Dwarf Disease
Occurrence and Control measures of Maize rough Dwarf Disease
2019-07-19 -
Available varieties for the control of rice white-backed planthopper
The varieties that can be used to control rice white-backed planthopper are: (1) buprofezin. The recommended dose is 7.5-12.5 g active ingredient / mu. The application techniques should be as follows: spraying in the initial stage of brown planthopper, it is best to keep the water layer in the field. (2) imidacloprid. The recommended dose is 1g / mu of active ingredient. The application technique should be as follows: spraying in the initial stage of brown planthopper.
2019-01-16 -
How to control rice planthopper?
How to control rice planthopper? Please introduce the control methods of rice planthopper can refer to the following methods: first, reasonable close planting, improve field microclimate, improve rice disease resistance. Second, rational fertilization, control of nitrogen fertilizer, increase the application of phosphorus and potassium fertilizer, skillful application of topdressing, so that early growth and rapid development of rice.
2018-07-18 -
Occurrence and control of rice blast and rice planthopper
First, the occurrence of rice blast: Rice leaf blast has appeared in Helan, Qingtongxia and other places. The initial period is June 13, about 10 days earlier than last year. Especially after the rainfall on July 7 and 12, the humidity in the field is relatively high, which is very beneficial to the development of leaf blast. The average rate of disease fields in the recent general survey of Qingtongxia is 16.7%.
2018-09-13 -
What kind of medicine is used to beat the gray planthopper at the panicle stage of rice?
What kind of medicine is used to beat the gray planthopper at the panicle stage of rice? Please introduce rice gray planthopper at panicle stage, please refer to the following drugs: grey planthopper can not only transmit virus and cause virus diseases such as rice stripe blight, but also concentrate on panicle damage in late rice panicle stage. The experiment was conducted with 40% chlorpyrifos EC 100 ml and 10% enamiprid 3 per mu.
2018-07-18 -
How to control diseases and insect pests in rice?
How to control rice diseases and insect pests? What technology can learn from rice pest control methods: first, rice black sclerotia stem rot rice stem base of a fungal disease, also known as rice stem rot or micrococcosis. The pathogens are Aspergillus globulus and Aspergillus oryzae. Have a disposition.
2018-09-09