lefats'eng la temo, likokoana-hloko tsa limela li ka senya chai ea lijalo, tsa baka tahlehelo e kholo ea moruo ho lihoai le beng ba mapolasi. E 'ngoe ea kokoana-hloko e joalo e fumaneng tlhokomelo haufinyane ke Tomato Ringspot Virus (ToRSV). Sengoliloeng sena se tla shebisisa lintlha tsa morao-rao tsa ToRSV, nts'etsopele ea eona, litlamorao, le mekhoa ea ho fokotsa phello ea eona tlhahisong ea lijalo.
Tomato Ringspot Virus (ToRSV) ke kokoana-hloko ea semela e tšoaetsang mefuta e mengata ea lijalo, ho kenyelletsa tamati, morara, apole le perekisi. Ho ea ka lintlha tsa morao-rao tse tsoang Lefapheng la Temo la United States (USDA), ToRSV e atile linaheng tse 'maloa, ka liketsahalo tse phahameng ka ho fetisisa tse tlalehiloeng Washington, Oregon le Idaho.
Tshwaetso ya ToRSV e ka baka mefuta e mengata ya matshwao, ho kenyeletswa ho putlama, ho ba mosehla, le necrosis ya makgasi, le maqeba a kang a mohele a ditholwana, a qetellang a lebisa phokotseho ya chai ya dijalo le boleng.
Tsoelo-pele ea ToRSV haholo-holo ka li-nematodes, tse tsamaisoang ke mobu 'me li ka fetisetsa kokoana-hloko ho tloha ho tšoaetso ho ea ho limela tse phetseng hantle. Hang ha kokoana-hloko e kene semeleng, e ikatisa ka potlako ’me e hasana ho pholletsa le semela, e leng ho etsang hore ho be thata ho e laola.
Litlamorao tsa ts'oaetso ea ToRSV li ka ba matla, tsa ama ts'ebetso ea moruo ea ts'ebetso ea temo. Phuputso e entsoeng ke USDA e hakantse hore tšoaetso ea ToRSV e ka baka tahlehelo ea lihlahisoa tse fihlang ho 30% masimong a liapole le perekisi, e leng se lebisang tahlehelong ea chelete e fihlang ho $70,000 ka hektare.
Ho fokotsa tšusumetso ea ToRSV, lihoai le litsebi tsa temo li hloka ho kenya ts'ebetsong mehato ea thibelo e kang ho fapanyetsana lijalo, ho phunya mobu, le tšebeliso ea lisebelisoa tsa ho lema tse se nang mafu tse netefalitsoeng. Ho feta moo, tshebediso ya methapo ya metso e hanyetsanang le nematode e ka fokotsa sekgahla sa ho tshwaetswa ke nematode le phetiso ya ToRSV e latelang.
Qetellong, ToRSV ke tšokelo e ipatileng ho chai ea lijalo 'me e ka baka tahlehelo e kholo ea moruo ho lihoai le beng ba mapolasi. Mehato e thibelang, joalo ka ho potoloha ha lijalo, ho phunya mobu, le tšebeliso ea methapo ea metso e hananang le nematode, e ka thusa ho bebofatsa phello ea ToRSV tlhahisong ea lijalo.
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