Bifenthrin can control a variety of diseases and insect pests such as Noctuidae, Cocoon, Aphid, and Oyster. It is widely used in tea gardens and citrus gardens in our province. Recently, the product has been produced and registered by Jiangsu Zhengda Agrochemical Co., Ltd., and the product name is 2.5% agricultural iron (bifenthrin) emulsifiable concentrate. It is tested and demonstrated in Fujian, Sichuan and Huzhou provinces. And the control effect is consistent with imported products. The technical use of this product is now as follows:
First, the product features. 2.5% agricultural iron emulsifiable concentrate has contact and stomach toxicity to pests; but it has no systemic and fumigation effects; it has a wide spectrum of insecticides and rapid action; it does not move in the soil, it is safer for the environment and has a long residual effect period. It is suitable for cotton, fruit trees, vegetables, tea and other crops to control pests such as lepidopteran larvae, whiteflies, aphids, leaf miner, spider mites, leafhoppers and other pests. It is especially used when pests and mites are concomitant, saving time and money.
Second, the method of use. 1. For cotton, cotton spider mites and other mites and citrus leaf miner pests, in the egg hatching or incubation period, 1000-1500 times (10 ml / bag plus 16 liters of water) The plants were finely sprayed with a 16 liter hand sprayer. 2. For the aphids, whiteflies, red spiders, etc. on the cruciferae, cucurbitaceae and other vegetables, and the nymphs occur, spray with 1000-1500 times (10 ml / bag plus 16 liters of water). 3, the ruler on the tea tree, small green leafhopper, tea caterpillar, black thorn powder, in the 2-3 years old, nymphs occur, with 1000-1500 times (10 ml / bag plus 16 liters of water) fine spray. 4. For the registered crops not indicated on the product, a small-scale test should be carried out first, and the green part of some crops of Cucurbitaceae should be identified and tested without phytotoxicity and good results.
Third, pay attention to matters. 1. This product is not registered for use on rice. However, some local farmers in our province have found that the control effect on rice leaf roller is also good when controlling tea pests. If farmers want to control the pesticides against non-registered crop pests such as rice, especially those in rice and mulberry mixed areas, they must be cautious and prevent major losses from silkworm poisoning. 2. The product is highly toxic to fish, shrimp and bees. When using it, keep away from the beekeeping area and do not pour the residual liquid into the river pond fish pond. 3, in view of the frequent use of pyrethroid pesticides will make pests resistant, so it should be used interchangeably with other pesticides to delay the emergence of drug resistance, one season crops are intended to be used 1-2 times.
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