Background and overview[1]
Formicarb is a cholinesterase inhibitor and is an organophosphorus pesticide.
Apply[1]
Formiocarb can be used to prepare a plant vaccine:
Powdery mildew occurs on the leaves, tender stems, flower stalks, flower buds and petals of crops. It initially appears as small yellow-green irregular spots with unclear edges. Later, the lesions continue to expand, and white powdery spots appear on the surface. Finally, Countless black spots. The infected area turns gray, and the surface is covered in continuous sheets, with unclear edges and a dirty white or light grayish white color. When the damage is severe, the leaves shrink and become smaller, the young shoots are twisted and deformed, and the flower buds fail to bloom, which seriously affects the yield of the crop. Conventional prevention and control methods usually include selecting disease-resistant varieties, strictly removing infected plants when purchasing seedlings, and eliminating the source of the disease, or using Rotate crops with non-host flowers and trees for 2 to 3 years to reduce pathogens, or strictly disinfect farmland and greenhouses. The above methods are less operable and only passively reduce the possibility of virus infection rather than actively treating the disease, so the effect is not good. To achieve the goal of increasing agricultural production and income, there is an urgent need for a plant vaccine that is highly implementable, has good control effects, and can prevent and treat powdery mildew by improving crop immunity.
In order to solve the above problems, CN201710150859.4 provides a plant vaccine containing formicarb and nicotine pesticides and a preparation method thereof. In order to achieve the above object, the present invention is achieved through the following technical solutions: a plant vaccine containing forsifiocarb and nicotine pesticides, including 1 to 10 parts by weight of forsifiocarb and nicotine pesticides. 1~10 parts, sodium lignosulfonate 1~2 parts, galacturonic acid 0.2~1 part, sodium alginate 5~10 parts, xylo-oligosaccharide 1~2 parts, abscisic acid 1~3 parts, xanthan gum 0.1~0.5 parts and 100~110 parts of water; the nicotinic insecticides are imidacloprid, acetamiprid, thiamethoxam, thiacloprid, dinotefuran, nitenpyrid, clothianidin, piperazolin pyrimidine or chlorothiophene.
Triethylenetetramine
CN201710150859.4 also includes a preparation method for plant vaccines containing formicarb and nicotine pesticides, which includes the following steps: ① In parts by weight, mix 5 to 10 parts of sodium alginate, 1 part Add ~10 parts of formicarb and 1~10 parts of nicotine pesticides to 100~110 parts of water, stir at a speed of 500r/min for 2~3 hours, let stand for 2~3 hours, and then stir at a speed of 300r/min Stir at high speed for 1 to 2 hours to obtain a mixed solution; the nicotinic insecticides are imidacloprid, acetamiprid, thiamethoxam, thiacloprid, dinotefuran, nitenpyrid, clothianidin, and piperapyrid Or chlorothiophene; ② Add the mixture obtained in step ① to the calcium chloride solution drop by drop. After 30 to 45 minutes of dripping, the mixture obtained in step ① will form round pellets in the calcium chloride solution. Rinse the pellet with clean water to obtain a spherical matrix; the mass fraction of the calcium chloride solution is 20 to 25%; ③ In parts by weight, add 1 to 2 parts of sodium lignosulfonate and 0.2 to 1 part of galacturonic acid , 1 to 2 parts of xylo-oligosaccharide, 1 to 3 parts of abscisic acid and 0.1 to 0.5 parts of xanthan gum are mixed, stirred evenly and then added to the spherical matrix obtained in step ② to obtain a formulation containing phosphocarb and nicotine pesticides. Plant vaccines.
The plant vaccine containing formicarb and nereiotoxin insecticides of the present invention can improve the immune system of crops, balance all aspects of nutrition, make plants strong and energetic, and thereby resist attacks and attacks by pathogenic bacteria and pests on crops. Harm, improve the quality and quality of crops, and achieve the effect of increasing yields and harvests; the plant vaccine containing formicarb and nereisoxin insecticides of the present invention has a strong bactericidal effect especially on the pathogenic bacteria that cause crop powdery mildew. Plastic antibacterial agents, It can effectively prevent and treat powdery mildew in various crops. The plant vaccine containing formicarb and nicotine pesticides of the present invention contains a variety of natural high molecular polymers, which can directly provide nutrients for plant growth, promote the development of crop root systems, enhance crop leaf photosynthesis and crop disease resistance, Stress resistance, strong seedlings and plants, increased yield, improved quality; the combined use of galacturonic acid, xylo-oligosaccharide and abscisic acid in the plant vaccine of the present invention can activate and induce plants to produce a large number of biological enzymes, organic Disease-resistant factors such as acids and alkaloids can stimulate crop growth and achieve the effect of increasing production and income; the active ingredients of the plant vaccine containing formicarb and nicotine pesticides of the present invention can be transported to various organs of the plant through plant conduits. , has good preventive and therapeutic effects on rice dwarf virus;
The components of the present invention are used in combination, have moderate content, are scientific and reasonable, can play the role of plant vaccines, are suitable for various crops, fruits and vegetables, can stimulate crops to produce biological resistance factors similar to phytoalexins, and promote their Root growth, promoting cell elongation and division, increasing yield, improving fruit development, improving plant metabolism, and increasing stress resistance against disease and insect pests; in the plant vaccine containing fosfocarb and nicotine pesticides of the present invention Forsipiocarb, nicotine pesticide ingredients and sodium alginate are prepared into a spherical matrix to ensure that forsipiocarb and nicotine pesticides can be mixed evenly with other ingredients without the need to use other additives for dispersion, solving the problem of phosphorus Chongiocarb and nicotine pesticides have extremely low solubility in water and organic solvents, and are difficult to prepare into commonly used emulsifiable concentrates, aqueous agents, soluble agents and other dosage forms; and after being sprayed on crops using this method, the drugs can be It is slow-released on the leaves, has a long action time, is well absorbed, and can continue to exert its efficacy during the crop growth period, and has a good effect in preventing or treating powdery mildew.
Table 1 Control effect of the combination of formicarb and nicotine pesticides on diamondback moth
It can be seen from the results in Table 1 that the control effect of the composition is greater than the expected value, and it can be inferred that the composition has a synergistic effect.
Main reference materials
[1] CN201710150859.4 A plant vaccine containing formicarb and nicotine insecticides and its preparation method
