Nematodes ke liphoofolo tse ngata ka ho fetisisa lefatšeng, 'me li-nematode li teng hohle moo metsi a leng teng lefatšeng.Har'a tsona, limela tsa parasitic nematodes li etsa karolo ea 10%, 'me li baka kotsi ho kholo ea limela ka likokoana-hloko, e leng e' ngoe ea lintlha tsa bohlokoa tse bakang tahlehelo e kholo ea moruo temong le merung.Ha ho hlahlojoa masimong, mafu a nematode a mobu a ferekanngoa habonolo le khaello ea lintho, motso oa kankere, clubroot, joalo-joalo, e lebisang tlhokomelong e fosahetseng kapa taolo e sa lebelloang.Ho feta moo, maqeba a metso a bakoang ke phepo ea nematode a fana ka menyetla ea ho hlaha ha mafu a bakoang ke mobu a kang baktheria wilt, blight, ho bola ha metso, damping-off, le canker, e leng se bakang tšoaetso ea motsoako le ho eketsa bothata ba thibelo le taolo.

Ho ea ka tlaleho, lefatšeng ka bophara, tahlehelo ea selemo le selemo ea moruo e bakoang ke tšenyo ea nematode e ka holimo ho liranta tse limilione tse likete tse 157 tsa US, e ka bapisoang le tšenyo ea likokoanyana.1/10 ea karolo ea 'maraka oa lithethefatsi, ho ntse ho e-na le sebaka se seholo.Ka tlase ke tse ling tsa lihlahisoa tse sebetsang hantle bakeng sa ho phekola nematodes..

1.1 Fosthiazate

Fosthiazate ke organophosphorus nematicide eo mokhoa oa eona oa mantlha oa ts'ebetso e leng ho thibela motsoako oa acetylcholinesterase ea li-nematode tsa metso-knot.E na le thepa ea tsamaiso 'me e ka sebelisoa ho laola mefuta e fapaneng ea metso-knot nematodes.Ho tloha ha Thiazophosphine e hlahisoa mme e hlahisoa ke Ishihara, Japane ka 1991, e ngolisitsoe linaheng tse ngata le libakeng tse kang Europe le United States.Ho tloha ha e kena Chaena ka 2002, fosthiazate e fetohile sehlahisoa sa bohlokoa bakeng sa taolo ea nematodes ea mobu naheng ea Chaena ka lebaka la phello e ntle le ts'ebetso ea theko e phahameng.Ho lebelletsoe hore e tla lula e le sehlahisoa se seholo sa taolo ea mobu oa nematode lilemong tse 'maloa tse tlang.Ho latela lintlha tse tsoang ho China Pesticide Information Network, ho tloha ka Pherekhong 2022, ho na le lik'hamphani tse 12 tsa malapeng tse ngolisitseng theknoloji ea fosthiazate, le litokisetso tse ngolisitsoeng tse 158, tse kenyelletsang metsoako e kang emulsifiable concentrate, water-emulsion, microemulsion, granule le microcapsule.Ntho e emisang, e qhibilihang ka har'a metsi, ntho ea motsoako ke haholo-holo abamectin.

Fosthiazate e sebelisoa hammoho le amino-oligosaccharin, alginic acid, amino acid, humic acid, joalo-joalo, tse nang le mesebetsi ea ho kopanya, ho khothalletsa metso le ho ntlafatsa mobu.E tla fetoha tataiso ea bohlokoa bakeng sa nts'etsopele ea indasteri nakong e tlang.Lithuto tsa Zheng Huo et al.li bontšitse hore nematicide e kopantsoeng le thiazophosphine le amino-oligosaccharidins e na le phello e ntle ea taolo holim'a li-citrus nematodes, 'me e ka thibela ka katleho li-nematode mobung oa rhizosphere oa citrus, ka phello ea taolo e fetang 80%.E phahametse thiazophosphine le amino-oligosaccharin single agents, 'me e na le liphello tse molemo ho hōla ha metso le ho hlaphoheloa ha lifate.

1.2 Abamectin

Abamectin ke motsoako oa macrocyclic lactone o nang le ts'ebetso ea likokoanyana, acaricidal le nematicidal, 'me e finyella sepheo sa ho bolaea ka ho susumetsa likokoanyana ho lokolla γ-aminobutyric acid.Abamectin e bolaea li-nematode ka har'a rhizosphere ea lijalo le mobu haholo-holo ka ho bolaea batho.Ho tloha ka Pherekhong 2022, palo ea lihlahisoa tsa abamectin tse ngolisitsoeng ka har'a naha e ka ba 1,900, 'me tse fetang 100 li ngolisitsoe bakeng sa taolo ea li-nematode.Har'a tsona, motsoako oa abamectin le thiazophosphine o fihletse melemo e tlatselletsang mme e fetohile tataiso ea bohlokoa ea nts'etsopele.

Har'a lihlahisoa tse ngata tsa abamectin, e lokelang ho tsepamisoa maikutlo ho eona ke abamectin B2.Abamectin B2 e kenyelletsa likarolo tse peli tsa mantlha tse kang B2a le B2b, B2a/B2b e kholo ho feta 25, B2a e nka litaba tse ngata ka ho fetesisa, B2b ke palo ea palo, B2 e chefo ebile e chefo, chefo e tlase ho feta B1, chefo e fokotsehile. , mme tshebediso e bolokehile ebile e baballa tikoloho .

Liteko li pakile hore B2, joalo ka sehlahisoa se secha sa abamectin, ke sebolaea-likokoanyana se setle haholo, 'me sebolaea-likokoanyana sa sona se fapane le sa B1.Li-nematode tsa limela li sebetsa haholo 'me li na le menyetla e pharaletseng ea 'maraka.

1.3 Fluopyram

Fluopyram ke motsoako o nang le mokhoa o mocha oa ts'ebetso o entsoeng ke Bayer Crop Science, o ka thibelang ka mokhoa o ikhethileng ho rarahaneng II ea ketane ea ho hema ka mitochondria ea nematode, e leng se bakang ho senyeha ha matla ka potlako liseleng tsa nematode.Fluopyram e bonts'a mokhoa o fapaneng oa ho sisinyeha mobung ho feta mefuta e meng, 'me e ka ajoa butle-butle le ka ho lekana sebakeng sa rhizosphere, ho sireletsa tsamaiso ea metso ho tloha tšoaetsong ea nematode ka katleho le nako e telele.

1.4 Tluazaindolizine

Tluazaindolizine ke pyridimidazole amide (kapa sulfonamide) non-fumigant nematicide e entsoeng ke Corteva, e sebelisetsoang meroho, lifate tsa litholoana, litapole, tamati, morara, li-citrus, likhahla, mohloa, litholoana tsa majoe, koae le lijalo tsa masimo, joalo-joalo, li ka atleha ka katleho. laola methapo ea koae-knot nematodes, potato stem nematodes, soybean cyst nematodes, strawberry slippery nematodes, pine wood nematodes, grain nematodes le short-body (root rot) nematodes, joalo-joalo.

Akaretsa

Taolo ea Nematode ke ntoa e nkang nako e telele.Ka nako e ts'oanang, taolo ea nematode ha ea lokela ho itšetleha ka ntoa ea motho ka mong.Hoa hlokahala ho theha tharollo e felletseng ea thibelo le taolo e kopanyang ts'ireletso ea limela, ntlafatso ea mobu, phepo ea limela, le taolo ea masimo.Ka nako e khutšoanyane, taolo ea lik'hemik'hale e ntse e le mokhoa oa bohlokoa ka ho fetisisa oa ho laola li-nematode ka liphello tse potlakileng le tse sebetsang;qetellong, taolo ea likokoana-hloko e tla finyella tsoelo-pele e potlakileng.Ho potlakisa lipatlisiso le nts'etsopele ea mefuta e mecha ea chefo e bolaeang likokoanyana, ho ntlafatsa boemo ba boitokisetso, ho eketsa matsapa a ho bapatsa, le ho etsa mosebetsi o motle ho nts'etsopele le ts'ebelisong ea li-synergistic e tla ba sepheo sa ho rarolla bothata ba ho hanyetsa mefuta e meng ea nematicide.