In order to investigate the effect of different chemicals on Laodelphax striatellus in field,treatment groups A(spraying 10％trifluoropyrimidine suspension 18 mL/667 m2),B(spraying 10％Furosemide microemulsion 15 mL/667 m2),C(spraying 50％pyrhidone water dispersion granule 20 g/667 m2),and D(spraying 80％enidine and pyrhidone water dispersion granule 20 g/667 m2)were set up respectively 5 treatments and control group(spray the same amount of water)were tested.By analyzing the test data,the result showed that group A and group D have the best control effect.For the consideration of the safety of the drug,it is recommend-ed to select group A in actual use.
维普
万方数据