亚精胺对黄瓜幼苗灰霉病的诱抗作用

  h FT＊尚庆茂＊＊ 张志刚S jY20[ , H Vr50[ 11] . h 7W,“ S ™“, V™I N、 N0、 X’、’、7、’、 T、1‹ 3  2008 M4 19  4 ChineseJournalofAppliedEcology, Apr.2008, 194825-830DOI 10.13287/j.1001-9332.2008.0211200、T L s F[ 12] . “ -, h[ j0],  j0 PQ ”、i‚9F,h FŸ9 ,]rT9 †, j0— „ ™,] rB. k[CucumissativusL.‹ ,Spd h S ™/ h f ”、] Ÿ FhM1c •Y,[ ’Spd F hrT  V  3 ,  F4 hp4 ‚„LlG .1 ‹ ZE1.1 k‹  4|.SpdSIGMA  } ’S2626, A8, 0.925 gL-1,B≥98, ’ |Spd2.206 ml,•  1 000ml 2 000 mgL-1 A,. h Š S/ S 3 i4.k2005 MS j S v’ j  i ›.04h,b24h,315 4œ B0l n9 cm9 cm, F†[ 13] .iHq233℃/122℃,1 –;v „; , M A75～95.1.2   k ,Spd 0v、50、100、150、200、250 mgL-1“  i.  uF 9, 3Q,  l u20.46  2‡Z H,  |Spd  2 cm› S,  20 ml, HSpd A 1n“;2d ›,  l u  60ml, 、   A Œ‚/.v • }9.1.3 h 410 , S4d h .sY f„0œA ZE.fu d u |0.4cm f2 ‡ž , P 1 f.h,9 h f ”.0œA 0œA i4.3105ml-1.  9 |0œA,|2 ‡› † 0œA5 s, TV]0œA   . ™ S 3 3S.f„0œA] H›.›85{› 5 ,212℃/151℃, b  A90[ .1.4 ZE1.4.1h f ” sY2、4、6 d E3ŒEh˜、,  Th,h f ”9  T /h f ” ∑ h h ”  Kvh1001.4.2 3 3S sY3、6、9、12„15 dg | 2 ‡› 3 3S.•vMoerschbacher[ 14]ZEPAL、PODŸ;•vMiler[15]ZEPPOŸ;•vo[ 16]ZE9p、 [c ;•vMorison[ 17]ZE  c .1.4.3™ S 426 , S20d, 、Y、 ”、 、 †7 „ † .  ”Y/ † 100. ” SAS qDuncanE›1 sAŸs,mV ” 3Q .2 Ts2.1 “Spd h f ”•Ym1 V,vM1,“Spd A† m1 “Spd h f ”•YFig.1 Effectsofexogenousspermidineondiseaseindexincu-cumberseedlings.Ⅰ0mgL-1Spd;Ⅱ50mgL-1 Spd;Ⅲ100 mgL-1 Spd;Ⅳ150mgL-1 Spd;Ⅴ200mgL-1 Spd;Ⅵ250 mgL-1Spd.826 ‹  3   19  h f ”.‚] H 2、4、6d,Spd ih f ”CM]M p, Spd iv 6,h f ”v†,†žB, “Spd i 679F. Spd† h f ”i aR i,[150mgL-1 K,2、4、6 dh f ”sY1v† 10.0、18.5„25.4.2.2 “Spd h S ™/ ] Ÿ•YV1 V,  S HW,  S6、9 d,PODŸ Spd i 65† 6M t ]; S15 d, Spd i 6,PODŸ5 6†M t ].‚] H ,Spd i PPOŸv,SpdPPOŸ9 9VCB ir‹. S3、6 d,Spd i150mgL-1 H, PPOŸ Spd i 679 ;Spd i150 mgL-1 H,PPOŸ Spd i 67h ;Spd i150 mgL-1 H,PPOŸrKv,sY1v4 15.5„27.5. S9、12、15 d,PPOŸ‚C200mgL-1 ,sY1v9F 38.9、22.6„29.7.2.3 “Spd h S ™/  FhM1c •YV2 V,  S HW,9pc 5† 6 –   M t ]. h - P3 d,Spdi 9pc  v,9pc  Spdi 679F,Spd i200mgL-1 HrKv,1v9F13.7; h  P6、9、12、15 d,Spd i 9pc v 6,v.V1 “Spd h S ™/  ] Ÿ•YTab.1 EffectsofexogenousspermidineonactivitiesofdefenseenzymesincucumberseedlingsleavesunderinfectionofB.cinereaSpd iSpermdineconcentrationmgL-1 S9 d,Spd i  [c vAs; S12、15 d,Spd i  [c  v.‚] H ,Spd i   c v,Spd  †\TVCB ir‹. S3、6、9 d,Spd i150 mgL-1 H,  c  Spd i 679F,Spd i150 mgL-1 H,  c Spd i 67h ,Spd i150 mgL-1 H,  c rKv,sY1v4 17.8、52.0„23.6; S12、15 d,  c ‚C200 mgL-1 ,sY1v9F18.3„44.5.2.4 “Spd h S ™/ 3•YV3 V,“Spd h S ™/ Y、、9 、 †7 、 †、  ”6[S  A\T;Z 7 ”9\T,ŒvM1s‚A.Spd 3\TVC A ir‹, iv 6,Spd \Tv9 ,[SrKv, Spd i 6,\Tvh .100 mgL-1Spd  3\TKv,Y、9 、 † 、  ”sY1v4 8.3、35.2、49.4„32.5.3  ‚“ -,1“Spd FhŸ[\ 37n.b‚[ 18]V ,d IHq/ “Spd Vrž rT. kTV ,“Spd V h FŸ,h f ”1vK†25.4;\  h S ™/  3,vM1,  ”K9F32.5.PAL、POD、PPO  Fh}†V1o. Ÿ FhQ‹“ Es M1“,YT™ 8 ]Q‹1S.PAL  6BZ ,  X] s0†,•Y ,V7 Ÿ.TV ,“Spd   PAL、POD、PPOŸC‚]M t ],  S HW,PALŸv†,PODŸv9 ,PPOŸ5† 6†M t ].ƒM t ]v HW  B,ŒSpd 3 Ÿœ k WBv ,PAL、POD、PPO3] ŸKsY1v9F48.4、635.9„38.9.yN,ƒt Ÿ“Spd F hBM1Ÿ, V YV4828 ‹  3   19 ƒt Ÿ9 h S 、  .p  }†  . Fhy0, “h S ™T,   FhB[ 22].9p„ [ p , }†PAL、POD、PPO MM1.  C1sB,‚h 3 S]  pT,7 O  s0 p -8[ T3  V[‡  、 „ [23] . kTV , h - P3 d,Spd\ 9p、 [†}†; h , -  P6 dSpd\  [†}†,7] 9p†}†,  P12、15 dSpd\ 9p†}†,7]  [†}†.œ k W,Spd\  †}†. “Spd V YV8 9p、 [、  }† Ÿ4  h FŸ.N“, k] Ÿ FhM1c M t ]VCi‚B, Ÿ FhM1c ‚C HW„ ” is, V “Spd  FŸ|. 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