1、 4 rT NZE庞雄飞 张茂新 侯有明 焦 懿 岑依静 ( 2 jv 3 i,510642)【K1】 Ty0Fy 3 V T e (IIPC)$ y 4ZE8NS,V U zE 47, x, xY,# , ) 45. 4 e4, TQ V / : n5 zE 47, x; V ?x 3Y; , 9 V ? +Y .t T 9 T A.A1 T e 1,6$ 4ZE NS.2 ZE2.1 k kHqv l)(Plutella xylostella) k C 3 US j v k. k u = P 4, 147 x? eT. ?(Panonychus citri) k 2 jv 3 i k .
2、kv=(Eucalytusrubusta)、R“ (Wedelia chinensis)BnY?4(1g100ml-1)、 ,# 4(v CALTEX w ).2.2 ZE NS1d 7 S, sY k uv u x 、 # f ,Ty0F 3 V1,5,6,7d9:c,y / T e Z:IIPC = N1TrN1Ck=N0TrSETrSSTrSLTrSPTrFPFTrP TrPhTr PfaTr(SAaTr)aN0CkSECkSSCkSLCkSPCkFPFCkP CkPh PfaCk(S AaCk)a(1), N0Tr、N0CksY k uv u 7 S H x ;N1Tr、N1Ck k
3、uv u 7 S H x ;SETtr、SSTr、SLTr 、SPTr k u x、 - 、v - 、i q;SECk 、SSCk、SLCk 、SPCkv u x、 - 、v - 、i q;F !S x ;PFTr、PFCk k u、v urS x q;PTr、PCk k u、v uI1 q;PfaTr、PfaCk k u、v u x q(a =1, 2, );(SAaTr)a、(SAaCk)a k u、v u i q(a=1, 2,). L 4 ,L !1T x、 x , T I n, T e Ve:IIPC = N1TrN1Ck= N0TrSETrSSTrN0CkSECkSSCk(2)3
4、Ts3 .1 =Y?4 sl)T=24V, ?svs$ “, =MT HW . 0A 5d, T e V UrTn(V1).VV1 Vn,l)x zETM “,v=、R“ =FY?4(1g100ml-1) A ( E3 S v) , Td9 x# - T, rT ?r 1 p. x zETM “, T e sY0.05、0.110.13,rTr95%、89%87%. sl)T MA. I N , T e r0.2/,9 |80% rT. I#V1 ,ITA. , 1 a, k i/l) zET c 3a$04.V1 =4 sl)rTTable 1 Effects of the alcohol
5、extracts from leaves with stalks of somecommon plants on Plutella xylostella=#4Leavesandstalk extracts(1gDW100ml-1)x 1 qProportionof eggnumberN0Tr/N0Cki qSurvivalrate againstCkxEggSEtr/SECk - Small larvaSSTr/SSCk T e IIPCv=Eucalytusrubusta 0.30 0.58 0.31 0.05R“ Wedelia chinensis 0.49 0.63 0.36 0.11
6、Lantanacamara 0.44 0.85 0.36 0.13=FBidens pilosa 0.51 0.74 0.49 0.18I NLycopersicum esculentum 0.51 0.74 0.49 0.18Polygonum hydropiper 0.50 0.82 0.46 0.19Citrus reticulata 0.41 0.96 0.67 0.27IDicranopterisdichotoma 0.86 1.00 0.94 0.803.2 sl)T i l) , zET1 A.c 1%2000A ,rTMA(V2). V2, J T l) M , T e (0.
7、705)(0.775)=0.5464,n q45.64%, ?r1 p. zE xTs, T e 0.11,rTr89%,l)TM A.V2 1% (2000)A sl)TTable 2 Effects of neem oil(1%Azadirachtin 2000)on Plutella xylostella Stage(xj)i q 3 Survival rate orfecundityvCK) Treatment Te IIPCx 1 qN0Tr/N0Ck 1 0.217 0.217Proportionof egg numberxEggs 0.769 0.738 0.927 - Smal
8、llarvae 0.641 0.452 0.705v - Large larvae 0.630 0.488 0.775Pupae 0.641 0.630 0.983 T e IIPC 0.113.3 4 ? eT 4 A eT. , TE 01 “S4C23(c23 Q) 4T 4 P.VV3 Vn, 4 ?、 x、?、 ? T.“N,? zET . 1091 f: 4 rT NZE V3 4(CALTEX) ? eTTable 3 Effects of PetroleumSpray Oil(CALTEX)on Panonychus citri Stage(xj)i q 3 Survival
9、rate orfecundityvCK) Treatment Te IIPCx 1 qN0Tr/N0Ck 1 0.380 0.380Proportionof egg numberxEggs 0.942 0.516 0.548?Larvae 0.614 0.316 0.515?Nymphs 0.755 0.427 0.566? x 22.662 16.592 0.732Eggsof the next generation T e IIPC 0.04A.B= ,= ,Bp 4,B b Tv,b ?,?4d = =vs ,p 4Bn | J. 4,4d =b ?,?v *.1984. ?T N. 3
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