Rice blast is a cancer of rice production. Each year, our province therefore cuts production by 1 to 3 percent. In individual years, individual areas were not covered due to disease particles. Rice blast disease has become a deterrent to high-yield and stable production that affects rice production. How to solve this problem? In the past two years, farmers have had new strategies.
First, we must first understand the characteristics of rice blast disease. Rice blast in our province is mainly caused by hyphae and conidia, overwintering on rice straw and rice, and conidial transmission occurs when the temperature is appropriate. Although rice blast disease has seedlings, leafhoppers, knots, panicles, and grain grains, the major ones in our province are leafhoppers and panicles. And it mainly occurs in susceptible varieties, multiple nitrogen fertilizer plots, water outlets, manure bottoms and flourishing areas. Therefore, in the prevention and control measures. The first is to catch disease-resistant varieties; the second is to catch water and fertilizer, nitrogen control, shallow irrigation management; the third is timely inspection, found that early prevention and treatment of leaf blast, continuous control, control of panicle blast in order to fight the prevention and control of rice blast.
Second, actively use magnetic activated silicon fertilizer. Iron fighters are strong in their own right. Practice has shown that as long as rice is robust, it can naturally resist the invasion of rice blast fungus. Yuan Longping, a well-known rice expert, said that silicon fertilizer is the fourth largest element required for rice production and is the second revolution in rice production. The inactive silicon element is converted into an active substance, and then it is covalently bonded to the biopolysaccharide plant polyphenol through strong electromagnetics, and the activity is increased by several ten times. As rice is supplemented with silicon to form silicified cells, the stratum corneum is thickened. Increases the area of ​​the flag leaf of rice by 8 square centimeters, the natural angle of the leaves is increased by 25.5 degrees, the stems and leaves are straight, the air is transparent, the roots are strong, the photosynthesis and stress resistance are enhanced, the lodging resistance is increased by 85%, and the insect bites , bacteria are difficult to invade. For every 1,000 kilograms of rice produced in China, 150 kilograms of silicon fertilizer are needed, and the average national average is 50-80% of silicon. Only rice lacks 55% of silicon. Increasing the promotion of silicon fertilizer is a prerequisite for rice production and prevention of rice blast. After the application of silicon fertilizer, rice will greatly improve the prevention and control of rice blast, leaf spot, white spot, sheath blight, stem borer, rice planthopper, leaf fly, etc., and magnetic silicon fertilizer has a strong resistance. The harmful effect is the natural killer of rice blast.
Third, serious use of plant vaccines. Oligosaccharide oligosaccharides are biological vaccines extracted from Russian chitin by scientific and technical personnel in recent years. They are glucose containing amino groups and are edible animal fibers. After use, plants can rapidly absorb and induce activation of plant immune system in stems and leaves. Produce phenol, ketone, terpenoid and mushroom protein, block its gene duplication, cut off the growth and reproduction channels of fungi, bacteria and viruses, and make it disintegrate to death. At the same time, phytoprotectants, lignin, etc. are produced to increase the disease-resistance of rice by 80%, and it has a strong prevention and treatment function against rice blast. In addition to disease prevention, oligosaccharides induce rice production of chitinase, degrade the chitin-containing epidermis, and kill insects, such as the death of aphids 12 to 14 hours after exposure. At the same time, oligosaccharides are the sixth element of life after protein, fat, minerals, Vitamins, and sugars, and they are a combination of medicine and fertilizer. The fertilizer effect is stable and strong, and has a strong promoting effect on the root system, growth and development of rice. Generally, it is maturing for 7 days and increases production by 15 to 20%. And herbicides have a very strong recovery function, can control more than sixty kinds of pests such as rice blast. At present, the Agricultural News Center has products that can be used by the majority of farmers.
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