The silvicultural, chemical and biological measures were employed respectively to control the larva of Kumasia kumaso (Sugi) of Acidosasa edulis. :The silvicultural measures mainly included weeding & deeply buryin...The silvicultural, chemical and biological measures were employed respectively to control the larva of Kumasia kumaso (Sugi) of Acidosasa edulis. :The silvicultural measures mainly included weeding & deeply burying, weeding combined with burning , weeding & deeply burying combined with DDVP.And the biological measures included spraying with two kinds of B.t (made respectively in Jianou and Fuqing), Bacillust huringiensis (16000IU/mg), AcNPV etc.And the chemical measures included spraying with 80% DDVP E.C, 40% Omethoate E.C, Shachongguang or Lindane 1∶500× and 1∶1000× in 1999, and 17 5%Imidan E.C, 5%Cypermethrin E.C, 20%Fenpropathrin E.C, 20%Baibusi E.C 1∶800× and 1∶1500× in 2000. the results showed as follow: 1.In silvicultural measures, different treatments have no remarkable influence on the experiment results, but it can improve the hygienic condition. 2.In biological measures , different treatments have no remarkable influence on the experiment results. 3.In chemical measures, 1∶500 of Lindane was adapted to eliminate the larva in the mother shoots with the death ratio amounting to 91 10% What’smore, 20%Fenpropathrin E.C 1∶800×, 5%Cypermethrin E.C 1∶800×, 20%Baibusi E.C 1∶800× are also adapted to generalize in forestry with the death ratio amounting to 92 09%, 76 81%,75 74%respectively.展开更多
文摘The silvicultural, chemical and biological measures were employed respectively to control the larva of Kumasia kumaso (Sugi) of Acidosasa edulis. :The silvicultural measures mainly included weeding & deeply burying, weeding combined with burning , weeding & deeply burying combined with DDVP.And the biological measures included spraying with two kinds of B.t (made respectively in Jianou and Fuqing), Bacillust huringiensis (16000IU/mg), AcNPV etc.And the chemical measures included spraying with 80% DDVP E.C, 40% Omethoate E.C, Shachongguang or Lindane 1∶500× and 1∶1000× in 1999, and 17 5%Imidan E.C, 5%Cypermethrin E.C, 20%Fenpropathrin E.C, 20%Baibusi E.C 1∶800× and 1∶1500× in 2000. the results showed as follow: 1.In silvicultural measures, different treatments have no remarkable influence on the experiment results, but it can improve the hygienic condition. 2.In biological measures , different treatments have no remarkable influence on the experiment results. 3.In chemical measures, 1∶500 of Lindane was adapted to eliminate the larva in the mother shoots with the death ratio amounting to 91 10% What’smore, 20%Fenpropathrin E.C 1∶800×, 5%Cypermethrin E.C 1∶800×, 20%Baibusi E.C 1∶800× are also adapted to generalize in forestry with the death ratio amounting to 92 09%, 76 81%,75 74%respectively.
