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Andrea C. B. Barros

_{, Romero M. Moura}

_{& Elvira M. R. Pedrosa}

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RESUMO

&RPRREMHWLYRGHDYDOLDUXPDSRVVtYHOLQÀXrQFLDGDDSOLFDomRFRQMXQWDGHQHPDWLFLGDVVLVWrPLFRVHKHUELFLGDV VREUHDH¿FiFLDGRVQHPDWLFLGDVQRFRQWUROHGHMeloidogyne spp. e Pratylenchus zeaeHPFDQDGHDo~FDUKtEULGRGH Saccharum VSS QR 1RUGHVWH LQVWDODUDPVH GRLV H[SHULPHQWRV XP LUULJDGR H RXWUR QmR LUULJDGR DPERV HP FDQDYLDLV

QRUGHVWLQRVKiPXLWRFXOWLYDGRVHFRPSURYDGDPHQWHLQIHVWDGRVSRU¿WRQHPDWyLGHV$YDULHGDGHXWLOL]DGDIRL63RV QHPDWLFLGDVDOGLFDUEHWHUEXIyVHRVKHUELFLGDVGLXURQDPHWULQDR[\ÀXRUIHQHSHQGLPHWDOLQDSOLFDGRVQRSODQWLRQDVGRVHV UHFRPHQGDGDVFRPHUFLDOPHQWH$VDYDOLDo}HVIXQGDPHQWDUDPVHQRVQtYHLVSRSXODFLRQDLVGRVQHPDWyLGHVREVHUYDGRVHP WUrVGLIHUHQWHVPRPHQWRVHQRVIDWRUHVGHUHSURGXomR$YDOLDUDPVHWDPEpPRGHVHQYROYLPHQWRGDVSODQWDVDSURGXWLYLGDGH DJUtFRODHGRLVSDUkPHWURVWHFQROyJLFRV2VUHVXOWDGRVGHPRQVWUDUDPTXHQmRKRXYHHIHLWRGRVKHUELFLGDVQDH¿FiFLDGRV QHPDWLFLGDVQHPIRUDPVLJQL¿FDWLYDVDVGLIHUHQoDVHPUHODomRjSURGXWLYLGDGHH[FHWRQDiUHDLUULJDGDSDUDSHU¿OKDPHQWR QRVWUDWDPHQWRVFRPKHUELFLGDVHQ~PHURGHFROPRVHSHU¿OKRVQRVWUDWDPHQWRVFRPQHPDWLFLGDVHPUHODomRjWHVWHPXQKD 2VQHPDWLFLGDVHKHUELFLGDVQmRDIHWDUDPRVQtYHLVGH3ROH3&&GRFDOGRQmRLQWHUIHULQGRSRUWDQWRQDSURGXWLYLGDGH LQGXVWULDO+RXYHLQWHUDomRHVWDWtVWLFDHQWUHQHPDWLFLGDHKHUELFLGDSDUDP. zeaeQDUL]RVIHUDQDiUHDLUULJDGDFRPDPHQRU

SRSXODomRGRSDUDVLWRHQFRQWUDGDQDFRPELQDomRDOGLFDUESHQGLPHWDOLQ

Palavras-chave adicionais:SaccharumVSQHPDWyLGHVFRQWUROHTXtPLFRMeloidogyne,Pratylenchus.

ABSTRACT

6WXGLHVRQWKHHIIHFWRIVLPXOWDQHRXVDSSOLFDWLRQRIKHUELFLGHDQGV\VWHPLFQHPDWLFLGHRQQHPDWLFLGHHI¿FDF\LQ VXJDUFDQH¿HOGV

7KH HIIHFW RI LQWHUDFWLRQ EHWZHHQ KHUELFLGHV GLXURQ DPHWULQD R[\ÀXRUIHQ DQG SHQGLPHWDOLQ DQG V\VWHPLF QHPDWLFLGHVDOGLFDUEDQGWHUEXIRVRQJURZWKDQG\LHOGRIVXJDUFDQHK\EULGRISaccharumVSSYDULHW\63LQ

VRLO QDWXUDOO\ LQIHVWHG ZLWKMeloidogyne incognita, M. javanica DQG Pratylenchus zeae ZDV HYDOXDWHG LQ WZR GLIIHUHQW

H[SHULPHQWVLUULJDWHGDQGQRWLUULJDWHGLQ1RUWKHDVWHUQ%UD]LO(YDOXDWLRQVZHUHEDVHGXSRQQHPDWRGHSRSXODWLRQGHQVLWLHV DQGUHSURGXFWLRQIDFWRUSODQWJURZWKFURSSURGXFWLYLW\DQGWZRWHFKQRORJLFDOSDUDPHWHUV7KHUHZDVQRLQWHUDFWLRQEHWZHHQ KHUELFLGHVDQGQHPDWLFLGHVLQWKHVHQVHRIUHGXFLQJQHPDWLFLGHHI¿FLHQF\H[FHSWLQDQLUULJDWHGH[SHULPHQWIRUQXPEHURI VWDONVLQKHUELFLGHWUHDWPHQWVDQGQXPEHURIVWHPVDQGVWDONVLQQHPDWLFLGHWUHDWPHQWV1HPDWLFLGHVDQGKHUELFLGHVGLG QRWDIIHFW3RODQG3&&OHYHOVDWKDUYHVWLQJ7KHUHZDVLQWHUDFWLRQEHWZHHQQHPDWLFLGHDQGKHUELFLGHIRUP. zeaeLQWKH

UK\]RVSKHUHLQWKHLUULJDWHGH[SHULPHQWZLWKWKHORZHVWSRSXODWLRQIRXQGLQDOGLFDUESHQGLPHWDOLQLQWHUDFWLRQ Additional keywords:SaccharumVSSODQWSDUDVLWLFQHPDWRGHVFKHPLFDOFRQWUROMeloidogyne,Pratylenchus.

INTRODUÇÃO

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&RSHUVXFDU )XJLZDUD &KULVWRIIROHWL 'LQDUGR0LUDQGDet al1mRKiGDGRVQDOLWHUDWXUD VREUH HIHLWRV GH KHUELFLGDV QD H¿FiFLD GH QHPDWLFLGDV VLVWrPLFRVSRULQWHUDo}HVHQWUHSURGXWRV3RURXWURODGR WHPVLGRFRQVWDQWHDUHFODPDomRGHDJULFXOWRUHVGHTXH QD SUiWLFD QHP VHPSUH D DSOLFDomR GH QHPDWLFLGDV HP FDQDGHDo~FDU WUD] UHVXOWDGRV VDWLVIDWyULRV 2 REMHWLYR GD SUHVHQWH SHVTXLVD IRL DYDOLDU R SRVVtYHO HIHLWR GD DSOLFDomR FRQMXQWD GH GRLV QHPDWLFLGDV VLVWrPLFRV H TXDWURKHUELFLGDVQDH¿FLFiFLDGRVQHPDWLFLGDVHPFDQD GHDo~FDU XWLOL]DQGRVH SURGXWRV GH XVR IUHTHQWH SHOD LQG~VWULD VXFURDOFRROHLUD GR 1RUGHVWH REVHUYDQGRVH WDPEpPHIHLWRVGH¿WRWR[LGDGH

MATERIAL E MÉTODOS

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RESULTADOS E DISCUSSÃO

(P UHODomR DRV LQGLFDGRUHV GH SURGXWLYLGDGH QmR IRUDPHQFRQWUDGRVGDGRVTXHLQGLFDVVHPLQFRPSDWLELOLGDGH QR XVR FRQMXQWR GH QHPDWLFLGD H KHUELFLGD 1RV GRLV H[SHULPHQWRV RV UHVXOWDGRV GRV WUDWDPHQWRV IRUDP HVWDWLVWLFDPHQWH HTXLYDOHQWHV DRV GDV WHVWHPXQKDV 7DEHOD (VWHIDWRH[FOXLXDSRVVLELOLGDGHGDRFRUUrQFLDGHHIHLWRV ¿WRWy[LFRVVHYHURVUHODFLRQDGRVjDSOLFDomRFRQMXQWDGHVVHV LQVXPRV GLVFRUGDQGR GH REVHUYDo}HV IHLWDV SRU RXWURV DXWRUHV%ODQFRet al&RSHUVXFDU)XJLZDUD &KULVWRIIROHWLH'LQDUGR0LUDQGDet al$LQGD HPUHODomRjSURGXWLYLGDGHDVPpGLDVGDVGLIHUHQWHVYDULiYHLV IRUDP VHPSUH PDLV DOWDV QD iUHD QmR LUULJDGD GR TXH QD LUULJDGDTXHSRVVXtDPDLRUHVGHQVLGDGHVSRSXODFLRQDLVGHP. zeae7DEHOD$VGLIHUHQoDVHPVROXELOLGDGHGRVSURGXWRV QHPDWLFLGDV DSDUHQWHPHQWH QmR WLYHUDP LQÀXrQFLD QRV WUDWDPHQWRV2VKHUELFLGDVWDPEpPQmRLQGX]LUDPGLIHUHQoDV VLJQL¿FDWLYDVQRVSDUkPHWURVGHDYDOLDomRGHSURGXWLYLGDGH H[FHWRSDUDQ~PHURGHSHU¿OKRV7DEHOD3RUH[HPSORHP UHODomR jV WHVWHPXQKDV IRUDP HQFRQWUDGDV GLIHUHQoDV TXH YDULDUDPGHWKDQDDSOLFDomRGHR[\ÀXRUIHQD WKDSDUDRSURGXWRSHQGLPHWDOLQ7DEHOD(VVHVDXPHQWRV FRUUHVSRQGHUDP SURYDYHOPHQWH j PDLRU FDSDFLGDGH GH HOLPLQDomR GH HUYDV GDQLQKDV$ DQiOLVH YLVXDO GR FDPSR LQGLFRXTXHWRGRVRVKHUELFLGDVSHVTXLVDGRVIRUDPHIHWLYRV QRFRQWUROHGDVHUYDVGDQLQKDVQmRDSUHVHQWDQGRVLQWRPDV GH¿WRWR[LGDGH

GHSHU¿OKRVHFRQVHTHQWHPHQWHRGHFROPRVSRUKHFWDUH )DWR VHPHOKDQWH RFRUUHX QD iUHD QmR LUULJDGD SRUpP DV GLIHUHQoDV QmR IRUDP VLJQL¿FDWLYDV 'DGRV UHIHUHQWHV j EURWDomRQmRIRUDPREWLGRVQDiUHDQmRLUULJDGD$RPRGRGR TXHRFRUUHFRPDOWDIUHTrQFLDQR1RUGHVWHHVVDVGLIHUHQoDV TABELA 1 -(IHLWRGDDSOLFDomRFRQMXQWDGHQHPDWLFLGDVVLVWrPLFRV H KHUELFLGDV QD SURGXWLYLGDGH GD YDULHGDGH GH FDQDGHDo~FDU

(SaccharumVSS 63 HP VRORV QDWXUDOPHQWH LQIHVWDGRV

SRU¿WRQHPDWyLGHVHPiUHDLUULJDGDHQmRLUULJDGD

11~PHURVPpGLRVGHGH]FROPRVWRPDGRVDRDFDVR2VGDGRVVmRPpGLDV

GHFLQFRUHSHWLo}HV

1mRKRXYHGLIHUHQoDVLJQL¿FDWLYDHQWUHRVWUDWDPHQWRV

TABELA 2 - 3URGXWLYLGDGH GD YDULHGDGH GH FDQDGHDo~FDU

(SaccharumVSS63QDSUHVHQoDRXDXVrQFLDGHTXDWUR

KHUELFLGDVLQGHSHQGHQWHPHQWHGRVWUDWDPHQWRVFRPQHPDWLFLGD HP VRORV QDWXUDOPHQWH LQIHVWDGRV SRU ¿WRQHPDWyLGHV HP iUHD LUULJDGD

11~PHURVPpGLRVGHGH]FROPRVWRPDGRVDRDFDVR2VGDGRVVmRPpGLDV

GHFLQFRUHSHWLo}HV3DUDFDGDFROXQDPpGLDVVHJXLGDVGDPHVPDOHWUD QmRGLIHUHPHVWDWLVWLFDPHQWHDRQtYHOGHGHSUREDELOLGDGHSHORWHVWH GH7XNH\

FRQVWDWDGDVQRVGRLVH[SHULPHQWRVQmRVHUHYHODUDPTXDQGR GDDIHULomRGRVSDUkPHWURVGHSURGXWLYLGDGHPHVHVDSyV RSODQWLRFDUDFWHUL]DQGRVHXPFDVRWtSLFRGHDSOLFDomRGH QHPDWLFLGDVHPVXFHVVRHFRQ{PLFR7DEHOD2DXPHQWR HP SURGXWLYLGDGH LQGX]LGR SHORV QHPDWLFLGDV VLVWrPLFRV TXDQGR REWLGRV WrP VLGR SULPRUGLDOPHQWH FRQVHTrQFLD GR PDLRU Q~PHUR GH FROPRV SRU KHFWDUH IDWR FRQVWDWDGR QDV GXDV iUHDV H[SHULPHQWDLV VHP GLIHUHQoD VLJQL¿FDWLYD QDiUHDQmRLUULJDGD2DSDUHQWHHIHLWRW{QLFRHQHPDWLFLGD GRV QHPDWLFLGDV VLVWrPLFRV DXPHQWDQGR EURWDomR H SHU¿OKDPHQWR DVVRFLDGR DR FRQWUROH SRSXODFLRQDO GRV ¿WRQHPDWyLGHV QRV SULPHLURV PHVHV DSyV R SODQWLR IRL FRQVWDWDGR SRU GLYHUVRV DXWRUHV 'LQDUGR0LUDQGDet al., 0RXUD%DUURVet al., 2000).

1RTXHFRQFHUQHRHIHLWRGDDSOLFDomRFRQMXQWDGH KHUELFLGDFRPQHPDWLFLGDVLVWrPLFRQRPRPHQWRGRSODQWLR RVUHVXOWDGRVGHPRQVWUDUDPTXHRVKHUELFLGDVHVWXGDGRVQmR TABELA 3 - 'HVHPSHQKR GD YDULHGDGH GH FDQDGHDo~FDU

(Saccharum VSS 63 QD SUHVHQoD RX DXVrQFLD GH

QHPDWLFLGDVVLVWrPLFRVLQGHSHQGHQWHPHQWHGRVWUDWDPHQWRVFRP KHUELFLGD HP VRORV QDWXUDOPHQWH LQIHVWDGRV SRU ¿WRQHPDWyLGHV HPiUHDLUULJDGDHQmRLUULJDGD

11~PHURVPpGLRVGHGH]FROPRVWRPDGRVDRDFDVR2VGDGRVVmRPpGLDV

GHFLQFRUHSHWLo}HV3DUDFDGDFROXQDPpGLDVVHJXLGDVGDPHVPDOHWUD QmRGLIHUHPHVWDWLVWLFDPHQWHDRQtYHOGHGHSUREDELOLGDGHSHORWHVWH GH7XNH\

'DGRVGHQ~PHURGHSHU¿OKRVQmRFRQWDELOL]DGRV

TABELA 4 - ,QÀXrQFLDGHTXDWURKHUELFLGDVQDH¿FLrQFLDGHGRLV QHPDWLFLGDVVLVWrPLFRVVREUHDSRSXODomRPpGLDGHPratylenchus zeaeSUHVHQWHQDUL]RVIHUDQHPDWyLGHFFGHVRORGDYDULHGDGH

GHFDQDGHDo~FDUSaccharumVSS63QDiUHDLUULJDGD

DIHWDUDPDH¿FiFLDGRVSULQFtSLRVDWLYRVQHPDWLFLGDDRORQJR GRH[SHULPHQWRH[FHWRDLQWHUDomRDOGLFDUESHQGLPHWDOLQ TXHGHPRQVWURXPHQRUSRSXODomRGHP. zeaeQDiUHDLUULJDGD

TABELA 5 - 1~PHURGHPratylenchus zeaeQDUL]RVIHUDHUDt]HVGDYDULHGDGHGHFDQD

GHDo~FDUSaccharumVSSHPiUHDLUULJDGDHQmRLUULJDGDQDSUHVHQoDRXDXVrQFLD

GHGRLVQHPDWLFLGDVVLVWrPLFRVHTXDWURKHUELFLGDV

'DGRVDSUHVHQWDGRVHPDQWLORJ[3L 3RSXODomRLQLFLDO3H3 3RSXODomRDRVVHLVH PHVHVDSyVRSODQWLRUHVSHFWLYDPHQWH1mRKRXYHGLIHUHQoDVLJQL¿FDWLYDHQWUHRVWUDWDPHQWRV )5 33L±0pGLDUHVXOWDQWHGDVPpGLDVGRV)5FDOFXODGRSDUDFDGDUHSHWLomRXWLOL]DQGRRV

GDGRVRULJLQDLVGDVSRSXODo}HV0pGLDGHFLQFRUHSHWLo}HV )5 33

7DEHOD3HORIDWRGRVUHVXOWDGRVWHUHPVLGRVHPHOKDQWHV QDVGXDViUHDVHVWXGDGDVIRUDPDSUHVHQWDGRVDSHQDVRV GDGRV UHIHUHQWHV j iUHD LUULJDGD &RP HVVD LQIRUPDomR

SRGHVH D¿UPDU VHU VHJXUR R XVR FRQMXQWR GHVVHV GRLV LPSRUWDQWHV LQVXPRV GD DJURLQG~VWULD FRP JDQKRV HP PmRGHREUDSDUDDVFRQGLo}HVHSURGXWRVXWLOL]DGRV1D 7DEHOD REVHUYDVH TXH DV SRSXODo}HV GHP. zeae no VRORGDiUHDLUULJDGDHGDQmRLUULJDGDDRVVHLVPHVHV HVWDYDP HP PpGLD PDLRUHV GR TXH DV GDV 3L $RV PHVHVRV)5PRVWUDUDPTXHDVSRSXODo}HVDXPHQWDUDP GHDYH]HVHQDVUDt]HV33GHD R TXH UHSUHVHQWD DOWRV YDORUHV FDUDFWHUL]DQGR QDTXHOH PRPHQWRDXVrQFLDGHFRQWUROHSRSXODFLRQDORTXDOLUi LQGX]LUIDOWDGHSURWHomRjVVRFDV1DVUDt]HVRQHPDWLFLGD DOGLFDUE SURSRUFLRQRX PHQRUHV )5 'DGRV VHPHOKDQWHV IRUDPREWLGRVQDiUHDQmRLUULJDGDFRPPHQRUHVYDORUHV QXPpULFRV6LWXDomRVHPHOKDQWHIRLYHUL¿FDGDHPUHODomR jSRSXODomRPLVWDGHMeloidogyne7DEHOD7UDWDPHQWRV

H WHVWHPXQKDV QmR GLIHULUDP HP YDORUHV DEVROXWRV GH 3RO H 3&& 7DEHOD PRVWUDQGR LVHQomR GH HIHLWR GRV WUDWDPHQWRV QD SURGXWLYLGDGH LQGXVWULDO FRQFRUGDQGR FRPRVGDGRVGH0RXUDet al%DUURVet al. (2000) H5RVDet al. (2003).

TABELA 6 - 1~PHURGHMeloidogyneVSSQDUL]RVIHUDHUDt]HVGDYDULHGDGHGHFDQD

GHDo~FDUSaccharumVSSHPiUHDLUULJDGDHQmRLUULJDGDQDSUHVHQoDRXDXVrQFLD

GHGRLVQHPDWLFLGDVVLVWrPLFRVHTXDWURKHUELFLGDV

'DGRVDSUHVHQWDGRVHPDQWLORJ[±3L 3RSXODomRLQLFLDO3H3 3RSXODomRDRVVHLVH PHVHVDSyVRSODQWLRUHVSHFWLYDPHQWH1mRKRXYHGLIHUHQoDVLJQL¿FDWLYDHQWUHRVWUDWDPHQWRV )5 33L±0pGLDUHVXOWDQWHGDVPpGLDVGRV)5FDOFXODGRSDUDFDGDUHSHWLomRXWLOL]DQGRRV

GDGRVRULJLQDLVGDVSRSXODo}HV0pGLDGHFLQFRUHSHWLo}HV )5 33

TABELA 7 -(IHLWRGDDSOLFDomRFRQMXQWDGHQHPDWLFLGDVVLVWrPLFRV H KHUELFLGDV QD SURGXWLYLGDGH LQGXVWULDO GD YDULHGDGH GH FDQD GHDo~FDU SaccharumVSS 63 HP VRORV QDWXUDOPHQWH

LQIHVWDGRVSRU¿WRQHPDWyLGHVHPiUHDLUULJDGDHQmRLUULJDGD

1~PHURVPpGLRVGHGH]FROPRVWRPDGRVDRDFDVR2VGDGRVVmRPpGLDV GHFLQFRUHSHWLo}HV

1mRKRXYHGLIHUHQoDVLJQL¿FDWLYDHQWUHRVWUDWDPHQWRV 3RO 3HUFHQWXDOGHVDFDURVH

3&& 3HUFHQWXDOGHVDFDURVHFRUULJLGD

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