Guangdong: The demonstration and promotion of the end of the rice leaf roller plot trial was implemented in Qingyuan City and Shaoguan City. 30% chloramphenicol EC, 20% Triazophos EC, 40% chlorpyrifos EC, 15% cymocene EC, and 1.8% avermectin EC were selected as test agents for the control of rice stem borer. 30% chloramphenicol, 40% chlorpyrifos, 5% fipronil, 10% furandilide, 1.8% avermectin were selected as test agents for controlling rice leaf roller. At present, the trials of the five pesticides with different pesticide application environments in the Qingyuan City and Shaoguan City to prevent and control rice leaf roller have been completed, and the test results are being analyzed and summarized.
Hunan: Plans to increase screening efforts to expand the demonstration area to undertake alternative pharmaceutical products to control pesticides on rice leaf roller and rice stem borer. The experiment was conducted at two points in Hanshou County and Nan County. The main test agents were furannidide, chlorpyrifos, avermectin, chloramphenicol and pesticides, and a control treatment of methamidophos was also conducted. It is planned to continue the pesticide screening test during the peak period of the fourth generation of rice leaf roller, and at the same time increase the efforts of drug screening and do a good job in large area demonstration work.
Fujian: Completion of test data collation, analysis and summary In April, field trials for the control of rice seedlings in the three ecological areas of chlorpyrifos, chloramine phosphorus, avermectin, triazophos, and profenofos were completed. The plan was sent to each project participating unit (Tong'an and Xianyou). In May, the preparation of technical trials for field use and the preparation of experimental demonstration sites were initiated. In June, the field trial implementation and data investigation work were carried out. At present, the test data has been completed, analyzed and summarized.
Hubei: The promotion area has reached more than 400 million mu. It has undertaken 12 demonstration and alternative projects, including 9 insecticides, 2 fungicides, and 1 sprayer comparison test. Through trials and demonstrations, the preferred pharmaceutical agent Ai Miao (30% Ai You EC) for the prevention and treatment of false smut was introduced. Currently, it has been promoted to an area of ​​more than 200,000 mu; it is the first choice for the prevention and treatment of young larvae of S. japonicum, S. simonii, and C. medinalis. Pharmacy tiger frog (50% EC), currently promoting the use of more than 10,000 acres; prevention and treatment of the special chemical called fipronil (5% emulsifiable concentrate), currently popularized and used over 4 million mu; it is the first choice for the prevention and control of old-aged larvae of rice leaf roller. Sanhe (31% trifluoromicroemulsion) is currently used for more than 80,000 mu. Anti-pyrimidine pesticides into the paddy field. In the pilot demonstration and promotion of Aimiao, we focused on scientifically guiding scientific drug use, arranging 200 mu demonstrations in 10 counties, and conducting comparative tests on manual sprayers and motor sprayers.
Shanxi: More than 20 varieties promoted 16 million mu The province's 11 city plant protection stations are standing on wheat, corn, cotton, and fruit trees. Targeting locusts, underground pests, corn borers, cotton bollworms, and peach borer pests, each control object is screened out 3 More than 4 kinds of new varieties that replace highly toxic pesticides will be finalized in more than two kinds, and harmless prevention and control technologies will be developed to demonstrate and promote them. At present, more than 20 varieties of avermectin, imidacloprid, and Bacillus thuringiensis have been assembled and integrated into harmless comprehensive prevention and control technology demonstrations in the province, and have been widely promoted to promote more than 1600 acres.
Sichuan: The implementation of the dynamic plant protection control technology model was arranged in Guanghan City and Pengshan County. For the control of the disease, the control agents were 5% Ruijinte, 10% furanilate, 20% triazophos, and the control agent was 2% methamidophos. The results showed that the control effects of the second-generation borers except for 20% methamidophos at 75mL/mu and 87.5mL/mu were 87.85% and 88.26%, respectively, and the rest of the agents were all above 92.9%. The amount of residual insecticides in each pesticide treatment was between 80% and 100% lower than that of the clear water control; the analysis of variance and new complex range test showed no significant difference between different doses of each agent; 20% methamidophos 75 mL/mu There was no significant difference between 87.5mL/mu and 20% methamidophos 100mL/mu, 10% furanfenzide 50mL/mu, and 100mL/mu. The difference from the rest of the treatments was 0.01%.
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