pyridine Learn more about pyridine
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How to use nitrogen fertilizer synergist?
What are the nitrogen fertilizer synergists? How to use nitrogen fertilizer synergist? Also asked experienced netizens to help introduce nitrogen fertilizer synergists, also known as nitrification inhibitors, its composition is a class of organic chemicals, its actual properties are some fungicides. The mixed application of nitrogen synergist and nitrogen fertilizer in farmland can reduce the denitrification of nitrogen fertilizer.
2018-07-11 -
Control of Diseases and insect pests in Pear Orchard
At present, when the pear orchard is in full bloom, fruit growers should timely control the following diseases and insect pests at the end of pear flowering: pear gall mosquitoes and pear wood lice should be sprayed at the end of flowering according to the flowering situation of pear trees. The medicament can choose 10% Shenjian 1500 times liquid plus 10% Shijia pyridine 2000 times liquid. Pear rust and pear scab should be sprayed in time at the end of pear flowering. The medicament can choose 15% Fen Ning 1500 times liquid or 45% Dasheng 800Mel 1000 times liquid, plus 10% Shigao 6000 times liquid.
2019-01-15 -
Control techniques of Diseases and insect pests in Pear Orchard
At present, when the pear orchard is in full bloom, fruit growers should timely control the following diseases and insect pests at the end of pear flowering: pear gall mosquito and pear planthopper: according to the flowering situation of pear trees, spray control in time at the end of flowering. The medicament can choose 10% Shenjian 1500 times liquid plus 10% Shijia pyridine 2000 times liquid. Pear rust and pear scab: timely spray control at the end of pear flowering. The medicament can choose 15% Fenjingning 1500 times liquid or 45% Dasheng 800-1000 times liquid, add 105Gao 60
2019-01-16 -
What are the effects of fungicides?
What are the effects of fungicides? Please introduce that there are two ways of action of fungicides: one is protective fungicides, the other is internal fungicides. Protective fungicides come into direct contact with pathogens in vitro or on the body surface of plants, killing or inhibiting pathogens, making them unable to enter plants, thereby protecting plants from disease.
2018-07-14 -
What are plant fungicides?
When planting crops or flowers, proper lighting, watering and fertilization are very important, but there is another problem to face when growing plants, that is, pests and diseases. What are the common plant fungicides? 1, carbendazim: can prevent a lot
2020-11-09 plant germicide medicine have which in grow crop or -
Culture methods of Magnolia
Culture methods of Magnolia
2020-12-08 -
Pear planting: what are the common diseases and insect pests of pear trees? What kind of medicine should be used to fight well?
What are the common diseases and insect pests in pear trees? What kind of medicine should I use? Please introduce the following common pear diseases and insect pests and their control methods (for reference): pear ring disease and pear branch rot: 10 days after pear Xiehua. Pear ring disease can choose 21% Fukang 800-1000 times solution or 68.5% DuPont Yi Bao 80.
2018-07-18 -
Can enfedipine beat millet?
Enfedipine is not suitable for beating millet, it has a certain inhibitory effect on the growth of most millet, if you want to hit millet, it is best to reduce the dose, or use other herbicides to beat millet. I. Internal absorption and conduction stem and leaf treatment with strong selectivity for the use of enoxetine.
2020-11-08 Enhe dineng dozen millet Mo enhe pyridine not quite suitable hit -
What kind of medicine are used for aphids in fruit trees
In the process of growth, fruit trees can not avoid being eroded by pests, and aphids are one of the pests of fruit trees. In the face of aphids in fruit trees, how should we control them? What drugs are used for aphids in fruit trees imidacloprid, thiazide, acetamiprid and pyridine are available for aphids in fruit trees
2020-11-09 Fruit trees aphids use what medicine fruit trees in the process of growth -
Comparison of furosemide and imidacloprid
Furosemide is the latest generation of super nicotine insecticides, while imidacloprid is a super efficient nicotine insecticide, which is mainly used to control piercing mouthparts pests. The chemical structure of furosemide is quite different from that of existing nicotine insecticides, and it is also similar to nicotine in terms of performance.
2020-11-09 Furan amine and imidacloprid pyridine contrast furan are the most -
Is dichlorvos effective against thrips?
Dichlorvos is a highly toxic pesticide, which is often used to control crop pests. Does it have any effect on thrips? Is there any other way to prevent it? Does dichlorvos have any effect on thrips? Dichlorvos is effective against thrips. But use dichlorvos to control thistle.
2020-11-08 Dichlorvos yes thrips is it effective? dichlorvos a kind of -
What are the common pests of magnolia flowers and how to prevent them?
What are the common pests of magnolia flowers and how to prevent them?
2020-12-03 -
High cytokinin activity of TDZ and its physiological mechanism
High cytokinin activity of TDZ and its physiological mechanism
2018-05-04 -
Application method and matters needing attention of "New Pesticide" Fluconamide
Flubenzamide is a new type of low-toxic pyridinamide insect growth regulator insecticide, which obtained the provisional registration certificate of pesticide products in China in 2007, and the preparation is 10% water dispersible granules. Next, let's introduce the application method and attention of the new pesticide flubenzamide.
2020-11-09 " new pesticides fluoridine bugs amides methods of use and -
Teach you seven tricks to eliminate succulent scale insects.
Text: fall in love for the succulent rookies, don't panic when you encounter a shell bug. This seemingly chubby guy with small fluff is fast and disgusting to move, and it is difficult to get rid of it. Then the editor will come.
2018-07-01 -
How to control aphids of flowers in spring and summer?
How to control aphids of flowers in spring and summer? Please introduce the methods many aphids like to endanger the young leaves, shoots, stems, buds, buds and Corolla of rose, chrysanthemum and mulberry every year in spring and summer. It uses piercing and sucking mouthparts to absorb a large amount of juice from plant tissue, resulting in nutrient deficiency of flowers.
2018-09-08 -
Succulent insects covered with scale insects? With these seven methods, it can be swept away in 3 days!
Recently, many flower friends asked that the succulent plants raised at home are covered with small white worms. What should we do with them? This is actually a scale bug. The following flowers will teach you how to effectively kill scale insects!
2018-05-29 -
Diseases and insect pests of peach trees and their control methods
The common diseases of peach trees are anthracnose, rot, white rust, black mildew, root cancer, perforation, leaf spot and so on. The common pests are aphids, longicorn beetles, heart-eating insects, Toona sinensis, including root cancer, leaf curl, yellow disease, aphids, red spiders, shell insects.
2020-11-09 Peach trees diseases and insect pests and control methods peach trees common diseases -
Control measures of Cotton aphids in the Yellow River Basin
Aphids, also known as greasy insects and honey insects, are one of the main pests on cotton in China. Cotton aphids damaged in cotton fields can be divided into seedling aphids and summer aphids. Seedling aphids occur before emergence to budding, and the temperature is suitable for low temperature. when the temperature exceeds 27 ℃, the reproduction is inhibited and the insect population decreases rapidly. aphids that often occur from early July to mid-August are called "summer aphids". On the 3rd, the average temperature is 2428 ℃ and the relative humidity is 55% and 85%, which is beneficial to the proliferation of "aphids". The weather when it is sunny and rainy is the most suitable for the breeding of "aphids".
2019-01-16 -
Culture method of Magnolia
Culture method of Magnolia
2019-03-07