How to control rice pests
2.5% diketone EC and other fish rattan cyanide products are new botanical pesticides developed to solve the two major problems in China's agricultural production, such as drug-resistant pests and frequent occurrence of residual pesticide food poisoning. It has won the national invention patent and the Guangdong Provincial Science and Technology Progress Award.
The large-scale test and demonstration of plant protection experts in our province showed that spraying 1000-3000 times solution was used to control resistant pests such as rice leaf borer, rice planthopper, stem borer, shaving worm, diamondback moth, red spider, thrips, spiders and scale insects. The control effect is more than 98%, and it also has the effect of killing pupae and eggs; higher multiple can be used for other crop pests, and the control effect is very good. The drug can also stimulate the growth of crop chlorophyll and has obvious high yield performance.
Debao fish rattan cyanide patent series of products are not only efficient in killing insects, but also absolutely safe to human and animal crops, and have no pollution to the environment, so they are called "pollution-free pesticides". Verified by the state authority, when used on vegetables and fruit trees, the residue after 5 days is 0.01~0.022P.P.M, which is far lower than 1%-2.2% of the maximum allowable residue set by the health department, and it is not detected in the soil. It can be seen that the drug is a veritable "pollution-free insecticide".
- Prev
How to prevent and control rice leaf spot
Symptoms also known as rice flax leaf blight. It occurs evenly in all rice regions of the country. From seedling stage to harvest stage, the disease can occur, and the aboveground part of rice plants can be damaged, especially leaves. The seed bud stage suffers, the coleoptile browns, the bud does not pull out, the cotyledon dies. Seedling leaves, leaf sheath disease mostly for oval spots, such as flax grain size, dark brown, sometimes the spots expanded into strips, spots more when the seedlings die. The leaves of adult plants are brown spots at the beginning of infection, gradually expanding into oval spots, such as sesame seed size, brown to gray in the center of the disease spots, brown at the edges, with different shades around them.
- Next
How to control rice electric leafhopper
The scientific name Inazumadorsalis (Motschulsky) synonym and Reciliadorsalis (Motschulsky) belongs to Homoptera, Cicadellidae. It is distributed in the rice areas south of the Yellow River. Host rice, corn, sorghum, millet, sugarcane, wheat, barley and so on. Accidentally harm sesame seeds, oranges, etc. The characteristics of the damage were that adults and nymphs pricked and sucked juice on rice leaves and leaf sheaths, resulting in inhibition of the growth and development of injured plants, yellowing of leaves or wilting of the whole plant.
Related
- The first cup of black tea in spring, the flavor and history of tea gardens in Kenya, Africa
- The computer can not only choose potatoes, but also grow tea rice. AI will grow winter oolong tea champion.
- It is not only the inflated tea bitten by insects, but also engraved with the four seasons tea in Beipu.
- The Oriental Beauty Tea Festival in Zhuxian County takes the stage at the weekend to experience the plus-size feast of oil tea.
- & quot; Oriental Beauty Tea & Exploration of Emei in Hsinchu, the hometown of quot;
- The new variety of strawberry "Tainong 1" dessert is the first choice with mellow aroma. Crimson gorgeous
- History of Tea in Taiwan: from Wild Inner Mountain to Export Tea Garden
- Two types of Taiwan Oriental Beauty Black Tea won the British three-Star Award for Childhood Tea Xiang Zhang Jiaqi changed from pilot to champion tea maker.
- Banana species and varieties: the planting history of Taiwan Xianren banana and dwarf banana is long, is banana disease resistant?
- Coffee planting Technology: Qianjie Coffee from Seedling to harvesting