Likokoana-hloko tsa limela (phytopathogens) tsa lijalo tsa lijo ke tšitiso e kholo tlhahisong ea temo lefatšeng ka bophara. Likokoana-hloko tsena tsa phytopathogens li ikarabella bakeng sa tahlehelo e kholo ea chai nakong ea kotulo pele ho kotulo, ho boloka le ho tsamaisa lijalo. Ho hakanngoa hore lefatšeng ka bophara, 20-30% ea lijalo e lahleheloa selemo le selemo ka lebaka la maloetse a limela.1 Har'a likokoana-hloko, ho na le mefuta e fetang 200 ea phytobacteria. phephetso tlhahisong ea temo.
Mekhoa e sebelisoang haholo ea ho laola ke lithibela-mafu (mohlala, streptomycin) le metsoako e entsoeng ka koporo. Tšebeliso e atileng ea lithibela-mafu temong, leha ho le joalo, e entse hore ho be le phetoho ea lithibela-mafu khahlanong le likokoana-hloko tse 'maloa tsa phytopathogens. Khanyetso ea Streptomycin e bonoa ka har'a erwinia, Pseudomonas 'me Xanthomonas spp. Liphatsa tsa lefutso tse hanyetsanang le lithibela-mafu (mohlala, strAB) ho phytopathogens tsena li ka kena ka har'a liphatsa tsa lefutso tse rapameng tse bakang ho ata ha lithibela-mafu. Tšebeliso e tsoelang pele ea koporo e fella ka ho bokellana ha eona tikolohong, e 'nileng ea amahanngoa le mathata a bophelo ba batho, liphello tse chefo ho limela le liphoofolo, le nts'etsopele ea likokoana-hloko tse mamellang koporo. Mathata a bophelo ba batho le a liphoofolo a amanang le chefo ea koporo kenyeletsa mafu a ka mpeng, a sebete, a ho ba le bana le a neurodegenerative joalo ka lefu la Alzheimer's. Indian childhood cirrhosis ke lefu le amanang le ho noa koporo e ngata ho batho ba tšoaelitsoeng ke lefutso. Chefo e bakoang ke koporo e boetse e tlalehoa e baka ho senyeha ha bokhoni ba ho hloa le ho eketseha ha lefu Drosophila melanogaster. Matšoao a koporo e feteletseng limeleng a kenyelletsa kholo e sa sebetseng ea metso le letlobo, chlorosis, li-pigment tse senyehileng tsa photosynthetic mme ka linako tse ling lefu.
Ho silafatsoa ha mobu ka koporo ho sentse mebala ea li-photosynthetic mme ho sitisa kholo le phapanyetsano ea khase ea meroho e meraro (Brassica alboglabra, Brassica chinensis 'me chrysanthemum coronarium). Copper oxide nanoparticles le tsona li fumanoe li kena-kenana le sekhahla sa ho mela, le kholo ea metso le letlobo la harese ea selemo (Barley sativum distichum). Ho hanyetsa likokoana-hloko tse thehiloeng ka koporo hape ke phephetso taolong ea likokoana-hloko tsa phytopathogens. Ho hanyetsa koporo ho 'nile ha hlokomeloa ho li-phytopathogens tse' maloa tse kenyeletsang Pseudomonas 'me Xanthomonas spp.
Phuputso e 'ngoe e tlaleha hore 80% ea 35 Pseudomonas syringae p.v Phaseolicola mefuta e arohaneng le masimo a linaoa a snap e ne e bontša ho hanyetsa koporo. Sena se tšoenya haholo ha ho nahanoa hore koporo ke mokhoa oa hajoale oa ho laola li-phytopathogens tsena. Linaha tse 'maloa li thibetse kapa li lekanyelitse tšebeliso ea metsoako e sireletsang limela ka koporo. Ka lebaka leo, maano a macha a taolo a 'nile a nkoa le ho ithutoa. Tsena li kenyelletsa tšebeliso ea bacteriophages e le li-biocontrol tse ka bang teng.
Bacteriophages (phages) ke likokoana-hloko tse khonang ho ata ka har'a lisele tsa baktheria. Thahasello ea li-phages joalo ka li-biocontrol li bakoa ke tlhaho ea tsona e se nang chefo ho lisele tsa eukaryotic, ho ipheta-pheta, ho ikamahanya le maemo, bokhoni ba ho hlola khanyetso le boiketlo ba tlhahiso. Li-cocktails tsa Phage ka ho khetheha li fana ka khetho e sebetsang bakeng sa ho atolosa sebaka sa phage, ho fokotsa ho hlaha ha baktheria ha ho ntse ho boloka ts'ebetso ea lytic ea phages. Ka hona ke habohlokoa hore moqapi o sebelisetsoang ho etsa phage cocktail o lokela ho fella ka cocktail e sebetsang ka ho fetisisa khahlanong le pathogen. Ho bohlokoa hape hore lintlha tse ling li nahanoe nakong ea ho etsoa le ho sebelisoa ha phage cocktail: botsitso ba bona, nako ea tlhahiso le litšenyehelo tsa li-cocktails tse rarahaneng, tšusumetso e ka bang teng ho libaktheria tse sa lebelloang, nako ea ts'ebeliso ea phage, le ho phehella ha semela. tikoloho. Tlhokomelo e sa khaotseng ea hlokahala ho netefatsa hore katleho ea li-cocktail e ts'oareloa ka lebaka la sebopeho se matla sa phages. Le hoja li-cocktails tsa phage li nkoa e le leano le utloahalang la ho laola likokoana-hloko tsa phytobacteria, lipatlisiso tse ngata li lokela ho etsoa ho utloisisa tšebelisano e rarahaneng pakeng tsa phages le libaktheria tikolohong ea limela, le ho hlōla litšitiso tsa theknoloji.
Reference: Kering, KK, Kibii, BJ le Wei, H. (2019), Biocontrol ea phytobacteria e nang le li-cocktails tsa bacteriophage. Sesenyi. Manag. Sci., 75: 1775-1781. https://doi.org/10.1002/ps.5324