Trao d l i thdng tin vd kinh nghiOm BVTV - 861/2012
+ Hp Heteronemiidae: Bdn chdn cua tm-dng Thudng xuydn kilm tra, theo ddi tinh hinh phdt thdnh, l u triing cd 5 d i t d ca 3 dOi chdn, ngyc ddi sinh, gdy hgi eda bp que, ddc bidt luu y thdi gian han bin lan ngyc trudc; dot ddi chdn giO-a, chdn thudn ldi cua chdng phdt sinh, gdy hgi Id mda he sau khOng cO v l t ldm sdu vd trudng thdnh khOng (thdng 5 - thdng 7) trdn todn bO didn tich cdy rd-ng canh. trong khu vyc Vudn QuIc gia.
3. Bign phdp phdng c h l n g bp que ^ J ^ f "^^ «t" " l ^ " ^ ^^^^^ ^ " " L ^ ! ? ?
* » Y > i ^^^ j^^g^ 1^^ Fastac 5EC, Wavotox 585EC, D l bao vd didn tfch cdy lulng, tgo dilu kidn Vitashield Gold OOOEC.phun khoanh vdng nhQ-ng thudn lpi cho edy rtmg phdt triln, Chi cgc Bao vd didn tich bj hgi ndng, eO mdt dO cao d l gidm thidt hgi thyc vdt Thanh HOa dd d l nghj ngdn chdn bp que tm-dc, sau dO phun theo td-ng khu vyc (euln chilu), gay hgi bdng bidn phdp khoanh vdng lulng bj ph^ij phun thulc cd trdn tdn edy, thdn cdy vd dudi mdt nhidm bp que, dung mdy phun eOng suit Idn phun <j^t trdn tham thyc vdt d l didt bp que. Do dli typng thuoc Basse 50EC,Cymetrin 25 EC... d n phOng tm-Id djch hgi trdn cdy ldm nghidp, tdn Id
• ^A^tl "^^"^'^VS" ?y 1"" "?"^P Y"""^" ^!^i^ rOng, edy cao, ndn tiln hdnh phun thulc hOa hpe d n gia Cdt Bd, bao vd khu dy trO- sinh quyin, tgo dilu ^^^ ^^^ ^^^ thd ddng ydu d u k9 thudt, trang bj bao S f m r u ^ ^ o S ""^A "^l T^ ^ ' ''^' ' ' ^ ' hO lao dOng dly dd d l ddm bdo an todn cho ngudi BVW Hai Phdng d l ngh, nhu sau: f^ ^^
GlAl PHAP THAY TH^ CHO METHYL BROMIDE
Td- nhQ-ng ndm 1930. ndng ddn My da s u ndng): trOn vdi mdt dudng vd chit khd-dit ky khi dgng Methyl bromide (MB) nhu mOt logi thulc (ASD). Trong thu nghidm hIn hp'p (ASD), tgo Idp Bao vd thyc vdt (BVTV) p h i rOng d l trd- tuyIn mOt dat mdt bao hOa nude r l i phu kfn bdng bgt trdng, sdu hgi vd cdc mdm bdnh trong d i t trudc nhya; idc dd nguIn carbon d mdt ri dudng se khi trong trpt. Tuy nhien, do MB phd huy ting kich thich hd vi sinh vdt hogt dpng. Tdm bgt nhya ozon trong tang binh luu cua trdi dat, ndn ngudi che phu dd gid- nude vd "ndu chfn" cdc hgt giong trong trpt tren t h l gidi thdy d n thilt phai tim mOt co dgi trong dit, carbon vd nude ldm gia tdng logi thulc khdc thay the. OO Id ydu d u d p bdch hogt dOng cua vi khuan, tgo dilu kidn thudn lpi tai Florida, nai s u dgng rdt nhieu MB md ddt d l trd- dieh hgi. Greg McCollum vd Joseph trong trpt Igi Id dat cdt, rdt hgn c h l trong vide thay Albano hai thdnh vidn cua dy dn ndy da phli thl bdng sdn xult hO-u ca vd mda dOng On hOa hp'p vdi phOng thf nghidm d Fort Pierce tiln Igi Id dilu kidn thudn ldi cho tuyIn trdng, co dgi hdnh ddnh gid chit lup'ng trdi cdy, thdnh phdn vd cdc mIm bdnh phdt triln. dinh dudng d i t vd cdy trlng.
Cdc nhd khoa hpc cua Ca quan nghidn cd-u Hp phai ddt dudi dnh ndng mdt trdi ( d l ldm nong nghidp (ARS) thuOc BO Ndng nghidp Hoa ndng ddt), tiln hdnh thf nghidm xu ly dit vdi cdc Ky (USDA) dang c6 glng gidp ngudi trlng trpt md-c nguydn lidu huu ca vd md-c nude khdc Florida tim ra mOt logi thulc thay t h l cho MB nhau. Mdt dudng dup'c su dgng Id chit thdi eda d l xu- ly- dat, dd Id s u dgng mdt dudng (thdnh ngdnh cOng nghidp c h l biln mla dudng. Trlng phan chfnh): Thu nghidm s u dgng mdt dudng dt vdo mda thu vd cd tim vdo mda xudn, lly mdu d l kich thfch hogt ddng cua vi sinh vdt cO trong ddt d l kilm tra tuyIn trdng trudc xu ly (dim dit, tu dO cd the thay t h l edc chit xOng hai p h i tuyIn trdng trdn r l cdy trlng), ddnh gid qudn t h l biln hidn nay. c6 dgi vd cdc ddc tinh ddt vd tinh todn ndng suit
1. Erin Rosskopf vd Nancy Kokalis-Burelle dd edy trlng. Hp phdt hidn thdy qudn t h l tuyIn kit h<;yp vdi David Butler (eyu nghidn cd-u vidn trdng dd gidm khi ddt dydc xu- \)/ bdng mdt ARS) thf nghidm trlng dt ngpt vd cd tfm tgi vudn dudng vd chit thai gia d m . Mdt dudng vd chat thf nghidm d Fort Pierce, Florida - My, dd thu thai gia d m cdng cs t h l kilm sodt dup'c co dgi nghidm mOt lit hon h(?p cua compost (dup-c ldm nhu MB, vd cdc bidn phdp phai dat d l lam nong
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