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s\ñvtcmK§ÄIpanÄ tcmK§Ä1. Ipehm«w (Blast)hmbphneqsSbpw, hn¯neqsSbpamWv tcmKkw{IaWw. CeIfnð ImWpó \oeIeÀó Xhn«p\nd¯nepÅ ]pÅn¡p¯pIfmWv Cu tcmK¯nsâ BZye£Ww. {ItaW Ch hepXmbn GXmïv I®nsâ BIrXnbnð \Sphnð Nmc\ndhpw Npäpw Xhn«p\ndhpambn Xocpóp. A\pIqe]cnXØnXnbnð Cu ]pÅn¡p¯pIÄ IqSnt¨Àóv Ce apgph³ Icnbpóp. IXnÀ \nc¡pó kab¯mWv tcmK_m[ DïmIpósX¦nð IXncnsâ Igp¯v `mK¯v Xhn«pIeÀó Idp¸p\ndw BhpIbpw AhnsSh¨v IXncv HSnªpt]mhpIbpw sN¿póp. CXns\bmWv Ipehm«w Fóv ]dbpóXv. Ipehm«w _m[n¨ IXncnse s\³aWnIÄ an¡hmdpw ]Xncmbncn¡pw. 2. t]mftcmKw (Sheath blight)CXpsamcp IpanÄtcmKamWv. tcmKtlXphmb Ipanfn\v a®nð hÀj§tfmfw Pohn¡m³ Ignbpw. s\ðsNSnbpsS Gähpw ]pdtabpÅ HmeIÄ aª\ndamIpóXmWv s]s«óv ImWpó e£Ww. IS`mKw t\m¡nbmð Pe\nc¸n\v sXm«papIfnembn Cet¸mfIfnð Idp¯ ]mSpIÄ ImWmw. Nnet¸mÄ Xnf¨ shÅw hoWv s]mÅnbXpt]mepÅ Nmc\ndw IeÀó Cfw ]¨]mSpIfmbncn¡pw. Cu ]mSpIÄ {ItaW Xïpapgph³ hym]n¨v CeIfntebv¡pw ]Scmw. A§s\hómð t]mfIfpw CeIfpw AgpIn hnf sam¯ambpw \in¡m³ CSbpïv. IXncv hcpó {]mb¯nemWv tcmK_m[sb¦nð IXncv hcmXncn¡pItbm, AYhm hómð Xsó aWnIÄ ]XncmhpItbm sN¿pw. 3. t]mf AgpIð (Sheath rot)IXncv hcpó kab¯mWv tcmKw {]Xy£s¸SpóXv. Hómw hnfbnð sshIn \Spó Ahkc§fnð Cu tcmKw IqSpXð ImWpóp. IXncns\ s]mXnªphcpó t]mfbnð Idp¯tXm Xhn«p\nd¯nepÅtXm Bb ]mSpIÄ DïmIpóXmWv BZye£Ww. {ItaW t]mf AgpIpIbpw sN¿pw. AgpInb t]mfIÄ¡pÅnð shfp¯ \nd¯nepÅ ]q¸ð ImWmw. 4. Xhn«p]pÅnIp¯v (Brown spot)Hómw hnfbpsS Ahkm\ L«¯nemWv tcmKw km[mcW ImWpóXv. Fómð cïmw hnfbnð RmäSnbnð Xsó tcmK_m[bpïmImw. RmäSnbnð Cu tcmKw hómð Rmdv Icnªv \in¨v t]mIm\nSbpïv. s\tñmeIfnð AWvUmIrXnbntem, hr¯mIrXnbntem ImWpó Xhn«p\nd¯nepÅ sNdnb ]pÅn¡p¯pIfmWv tcmKe£Ww. ]pÅnIÄ¡v Npäpw aª\ndhpw ImWmw. s\òWnIsfbpw tcmKw _m[n¡mw. s\òWnIfnð Idp¯]pÅnIÄ ImWmhpóXmWv. hn¯neqsSbpw hmbphneqsSbpamWv tcmKkw{IaWw. 5. hoXnIpdª Xhn«p]pÅn¡p¯v (Narrow brown spot)s\ðs¨SnbpsS GXp hfÀ¨mL«¯nepw Cu tcmKw _m[n¡msa¦nepw km[mcWbmbn Ahkm\L«¯nemWv IqSpXð ImWpóXv. t]cv kqNn¸n¡póXpt]mse Xhn«p\nd¯nð hoXnIpdªv GXmïv 2 apXð 10 an.aoäÀ hsc \of¯nepÅ hcIfmWv tcmKe£Ww. hn¯neqsSbpw hmbphneqsSbpw tcmKw kw{Ian¡mw. 6. Ìm¡v t_¬ (Stackburn)hfsc sNdnbtXmXnð am{Xw ImWpó tcmKamWnXv. CeIfnð Xhn«p\nd¯nð hr¯mIrXnbntem, ZoÀLhr¯mIrXnbntem DÅ ]mSpIÄ DïmIpóXmWv BZye£Ww. ]nóoSv Cu s]m«pIfpsS a²y`mKw Cfw Xhn«p\nd¯ntem, shÅ\nd¯ntem Bbn¯ocpw. s\òWnIfnepw ISpw Xhn«p\nd¯ntem, Cfw ]n¦v \nd¯ntem DÅ s]m«pIÄ ImWmw. 7. eo^vkvImÄSv (Leaf scald)CebpsS Aä¯v\ntóm hi§fnð \ntóm XpS§pó ZoÀLhr¯mIrXnbnepÅ Peknàamb ]mSpIfmWv {]mcw`e£Ww. ]nóoSv Cu ]mSpIfnð CShn«v ISpw Xhn«p\nd¯nepw, Cfw Xhn«p\nd¯nepw XncameIÄ t]msebpÅ hcIÄ DïmIpóp. 8. e£vao tcmKw (False smut)IXncnsâ Nne aWnIfnð am{XamWv km[mcWbmbn tcmK_m[bpïmhpI. tcmKw _m[n¨ s\òWnIÄ AXnsâ Cc«ntbmfw hen¸¯nð tKmfmIrXnbnð Ipanfnsâ kvt]mdpIfpsS Iq«ambn amdpóp. BZyw aª\ndapÅ aWnIÄ¡v {ItaW ]¨\ndtam Idp¸p\ndtam BIpóp. IÀjIÀ¡nSbnð CXv hmcn¸phv Fódnbs¸Spóp. CXv sFizcy¯nsâ {]XoIamsWópw, ASp¯ Irjnbnð \ñ hnfhnsâ kqNIamsWópw ]eIÀjIÀ¡nSbnepw hnizmkapïv. AXpsImïpXsó Cu tcmKw e£vao tcmKw Fó t]cnepw Adnbs¸Spóp. 9. DUv_¯ (Udbatha)CSp¡n, hb\mSv PnñIfnse DbÀó {]tZi§fnð aq¸pIqSnb C\§fnemWv Cu tcmKw km[mcWbmbn ImWpóXv. \ñ IXncn\v ]Icw s\òWnIsfñmw ]Xncmbn ]ckv]cw H«n]nSn¨v Nµ\¯ncn t]msebpÅ IXncmWv ]pd¯v hcnI. BZyw Chbv¡v Nmc\ndhpw, ]nóoSv Idp¯ \ndhpw Bbncn¡pw. 10. aqSpNobð ( AYhm Foot rot)RmäSnbnepw BZyhfÀ¨mL«§fnepw sNSnIÄ¡v Akm[mcWamb coXnbnð Dbcw hbv¡póXmWv {][m\e£Ww. sNSnIÄ timjn¨v aªfn¨ncn¡póXmbpw a®n\v apIfnepÅ aqSpIfnð \óv thcpIÄ hfcpóXmbpw ImWmw. Nn\¸pIÄ IpdbpIbpw, IXncv ]Xncmbn t]mhpIbpw sN¿pw. hn¯neqsSbmWv tcmKkw{IaWw. _mIvSocnb aqeapïmIpó tcmK§Ä1. _mIvSocnb aqeapïmIpó Icn¨nð (Bacterial leaf blight){IkIv (hm«w), Hme¡cn¨nð, aªfn¸v FónhbmWv tcmKe£W§Ä. ]dn¨v\«v cïpaqómgvN Ime¯mWv {IkIv AYhm hm«¯nsâ e£Ww ImWpóXv. Bcw`Zibnð ]pdtabpÅ CeIÄ hmSn AgpIn shůnð ]mdn\S¡póXv ImWmw. ]nóoSv sNSnIÄ aªfn¡pIbpw, apgph\mbn hmSn AgpIn t]mhpIbpw sN¿póp. {IkIv _m[n¨ sNSnIfpsS \m¼v hen¨mð Ducnt¸mcnñ FóXmWv XïpXpc¸sâ B{IaWhpw Cu tcmKhpw X½nð thÀXncn¨dnbm\pÅ amÀ¤w. HmeIcn¨nepw aªfn¸pw km[mcWbmbn PqsseþBKÌv amk§fnemWv {]Xy£s¸SpóXv. sImSntbme{]mbw apXemWv tcmK_m[ IqSpXð ImWpóXv. CebpsS Aä¯v\nópw XpS§pó aªfn¸mWv HmeIcn¨nensâ {]mcw`e£Ww. Cu aªfn¸v Ccphi§fneqsS Xmtgbv¡v hym]n¡pIbpw, {ItaW Hmeapgph³ IcnbpIbpw sN¿pw. hn¯neqsSbpw, shůneqsSbpamWv tcmKkw{IaWw. agbpw sNdnb Imäpw, Xmgvó Xm]\nebpw (22 Un{Kn apXð 26 Un{Kn skðjykv) tcmKhÀ²\hn\v A\pIqe LSI§fmWv. CeIfnepÅ kqjvac{Ô§fnepsSbpw, CeIfnepw thcpIfnepw DïmIpó apdnhpIfneqsSbpw BWv _mIvSocnb sNSnIfnð {]thin¡póXv. ]dn¨p\Spt¼mÄ Rmdnsâ Xe¸v apdn¡póXpw a®v t]mIm³ thïn Rmdnsâ IS XñpóXpw tcmK_m[bv¡v CSbm¡pw. \nb{´Ww
2. _mIvSocnbð eo^v kv{So¡v (Bacterial leaf streak)hfsc \nÊmcamb tXmXnð am{Xw ImWpó tcmKamWnXv. s\tñmeIfnð Ce Rc¼pIÄ¡v kam´cambnImWpó sNdnb t\À¯hcIfmWv Cu tcmK¯nsâ e£Ww. sshdkv tcmK§Ä1. {KmÊnÌïvs\ðs¨Sn AanXambn apcSn¡póXpw Nn\¸vs]m«epïmIpóXpamWv {][m\ tcmKe£W§Ä. CeIÄ sNdpXmhpIbpw hoXnIpdªv hnfÀ¯v GXmïv ]pñnsâ BIrXnbnð Bbn¯ocpIbpw sN¿póp. CeIfnð Xpcp¼v t]msebpÅ Ip¯pIfpw ImWmw. tcmKw _m[n¨ sNSnIÄ IXncnSpIbnñ. apªbmWv tcmKtlXphmb sshdÊns\ ]c¯póXv. 2. Xpwt{KmXpwt{Km tcmKw _m[n¨s\ðs¨SnIfpsS CeIÄ aªIeÀó Hmdôv \ndamIpóp. sNSnIfpsS hfÀ¨ apcSn¡pIbpw, Nn\¸vs]m«ð IpdbpIbpw sN¿pw. aªfn¸v A§n§mbn am{Xta ImWpIbpÅp. aq¯CeIfnð Xhn«p\nd¯nð Xpcp¼p]nSn¨ t]msebpÅ Ip¯pIÄ ImWmw. aªfn¨ CeIÄ ]pdt¯bv¡v Að¸w Npcpïncn¡póXmbpw ImWmw. IXncpIÄ sNdpXmhpI, IXnÀ ]pdt¯bv¡v hcmXncn¡pI, s\òWnIfpsS Xq¡w IpdbpI, ]Xncmbn t]mhpI Fónhsbñmw tcmKe£W§fmWv. Ce¨mSnIfmWv tcmKImcnbmb sshdÊns\ ]c¯póXv. s\ñnsâ tcmK\nb{´W¯n\pÅ \nÀt±i§ÄF. A´Àhym]\tijnbnñm¯ IpanÄ\min\nIÄ
Ipdn¸v:
kn. Bânt_mb«n¡pIÄ
Un. ssPhoI\nb{´Ww ]vkyqtUmtamWmkv ^vfqdk³kv Fó _mIvSocnb s\ñnsâ IpanÄtcmK§Ä¡pw, _mIvSocnb aqeapïmIpó tcmK§Ä¡psaXnsc ^e{]ZamWv. IrjnsNehv Ipdbv¡m\pÅ \nÀt±i§Ä
kwtbmPnX IoS\nb{´Ww IoS\min\nIfpsS AanXamb D]tbmKw ]cnØnXn aen\oIcW¯n\v ]pdta IoS§fpsS A\nb{´nXamb hwihÀ²\hn\pw Ahbv¡v IoS\min\nIÄs¡XnscbpÅ {]Xntcm[tijn hÀ²n¸n¡póXn\pw CSbm¡nbn«pïv. CXpsImïmWv Ct¸mÄ kwtbmPnX IoS\nb{´W¯n\v IqSpXð {]m[m\yw \ðIn hcpóXv. {]Xntcm[tijnbpÅ C\§fpsS Irjn, \Soð AIew {IaoIcn¡ð, \Soð/hnXkabw {IaoIcn¡ð, kwLIrjn, IrjnapdIfneqsSbpÅ IoS\nb{´Ww, kwtbmPnXhf{]tbmKw, hf\nb{´Ww, ssPhIoS\min\nIfpsS {]tbmKw, an{XIoS§fpsS kwc£Whpw D]tbmKhpw, hnf\jvSw DïmIpóXnepw IqSnbtXmXnepÅ IoS_m[bv¡psaXnsc am{XapÅ cmk\nb{´Ww Chsbñmw DÄs¸SpóXmWv kwtbmPnX IoS\nb{´Ww. ]mS¯v BgvNbnsemcn¡se¦nepw t]mbn IoStcmK \nco£Ww \S¯pI, IoS_m[bpÅ CS§fnð am{Xw acpóv Xfn¡pI, {]Xntcm[tijnbpÅ C\§Ä IrjnsN¿pI, IXnÀ\ncóXn\v tijapÅ acpópXfn Hgnhm¡pI Fóo amÀK§Ä Ahew_n¡póXv s\ðIrjnbnð IoS\min\nIfpsS AanXamb D]tbmKw Hgnhm¡m³ klmbn¡pw. s\ñnsâ an{XIoS§Ä
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