Pay attention to the two-pointed moths in the Maize field
Iis scanner is a professional Iris Scanner instrument for detecting iris changes, based on biometric security technology. It is small, clear and easy to carry. Iris Recognition is one of the most convenient and accurate biometric technologies including Fingerprint Scanner.
The self-examination carries the rainbow color diagnostic instrument, may connect the television, the computer, the self-observation time, the eye opens the big level to look at the screen, moves up and down, left and right, until very clear, namely presses the handle hand to fix the device, may analyze. The examiner can stand behind the subject and instruct the subject to use the self-diagnosis method to record some of the signs observed in the rainbow, such as the depth of the color, the shape of the reaction point, the phenomenon of dot, linear, concave hole and so on.
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The occurrence of the two-pointed Aedes mollissima in Anhui Province was reported for the first time. The larvae harmed the bases and roots of corn stems, resulting in wilting of the heart of the corn, lodging of the plants, and severe plant death. The insects like dark and humid environment, fear of light, and the characteristics of suspended animation and strains. Because its hazard location and morphological characteristics are similar to those of the ground tiger, it is often mistaken for the ground tiger.
Control methods: (1) Poison bait or poisonous soil. Use 90% crystal trichlorfon 500g or 48% chlorpyrifos EC 500ml, mix 4~5kg sauteed wheat bran or crushed cottonseed cake to make poison bait, then sprinkle it on corn seedlings Can also be used per acre with 80% dichlorvos emulsifiable concentrate 300 ~ 500 ml 25 kilograms of fine soil in the morning along the ridge sprinkled in corn seedlings. (2) Irrigation. Unscrew the sprayer sprayer and spray the stems one by one, or spray the roots with a straight sprayer. Can choose 48% chlorpyrifos EC 1500 times, 30% acephate EC 1000 times, 4.5% cyfluthrin EC 2500 times. The amount of water should be large to ensure that the liquid penetrates into the hiding place of the pest about 30 cm around the root of the corn. It is also possible to pour medicine with water, 48% chlorpyrifos EC 1 kg per mu, poured into the field when poured. For herbicide-applied corn fields, it should be noted that organic phosphorus pesticides should not be sprayed for 7 days to prevent phytotoxicity.