抓好当前蔬菜病虫害防治工作.pdf

1: 1: S/ /2019 M /8 /20 / B05 C j / v z - vh T a g M u j jh : - , s Y , vh C ? 3 t ,N4v j zh eT , v 3 b a g M u _ v u , x D q 100%, = q 85%,= 3jj12 h ; fhh q 5%,hT q 1.7%; hh q 7.4%,h= q 4.2%;( q 34%,$= q 4.7%,= 3j6 h ;( hh q 19%,h= q 4.7%; l) q5.5%,$= q 3.4%, 30j50h ; . q 100%, = q 15.2%,= 1j5h ;. q 100%,$GT q 80%;vS. q 27%,$= q 12%,= 1j3 h ;vS. q 31%,$= q 21%,= 5j25hb n : vh 1 |o ,8p ,l s Q ,F BW5 ,z s eb 1.F BW5 b# H “BW , a H r ,K“h=ahTb 2. gbE g ,iKa ;F r g= b 3.z s ebBW+ P ax D , . b) V a4a n ,h BW b 4. S 0b vnh 4/0yp ,0Q ,i 0# W b h V a c a )a 04bxh V )a j )a ):a& J:a a 2 04bfh V c a aQ )a ad 04b hah% )h V _a )a a os e U a 04bhh VP , a* 04b N0h V j )a os e U a ) b04b V a J a ,J 04b . V ) aac 04b V maa )a a 04bl)aC) VJ ) &J a a ra o &JaJc aJc .aJc r04b V a a ) 04b . VJc .a Bt04bx Dax Da. V aJ a 04 , & j0 P ,rTDb= E Vr o e aJ ) &J a ) 04 b 4 j0 q , V0AF aA9r4 , 0AZ“a 1ib