Pyriftalid 98% TC

A broad-spectrum herbicide for early post-emergence of rice, specially developed for transplanting and direct-seeding rice. Its mechanism of action is to inhibit the synthesis of acetolactate synthase (ALS). It is used to control gramineous weeds and some broad-leaved weeds in rice fields. In rice fields, fenfenpyr is absorbed by the root tips of rice, and a small part of it will be transmitted to the leaves, and a small part of the medicament will be absorbed by the budding weed leaves. Absorbed. The results of indoor active biological test and field efficacy test show that it has a good control effect on annual gramineous weeds and some broad-leaved weeds of Cyperaceae in transplanted rice fields. The dosage is 187.5~300g (active ingredient)/hm2 (commercial volume of 250g/L suspension is 50~80ml/mu, generally diluted with 30L of water), and the number of times of use is 1 time. It has a good control effect on barnyardgrass and calamus in transplanted rice fields, and has a certain control effect on broad-leaved weeds and sedges such as Polygonum syringae, Cardamine sedge, cow wool felt, Jiejiecai, Acanthus diffusa. The recommended dosage is safe for rice. Pay attention to the development of resistance after use. It is recommended to mix or rotate with other agents with different mechanisms of action.