Ko da yake nematodes na tsire-tsire na cikin haɗarin nematode, ba kwari ba ne, amma cututtukan shuka.

Cutar nematode shuka tana nufin nau'in nematode wanda zai iya lalata kyallen jikin tsirrai daban-daban, haifar da tsiron tsiro, da watsa sauran cututtukan shuka yayin da suke cutar da mai gida, yana haifar da alamun cututtukan shuka.Neman nematodes na tsire-tsire waɗanda aka gano ya zuwa yanzu sun haɗa da nematodes tushen-ƙulli, nematodes na itacen pine, nematodes na waken soya da kara nematodes, nematodes na gaba da sauransu.

Dauki tushen tushen nematode a matsayin misali:

Tushen-ƙulli nematodes wani nau'in nau'in nau'in nau'in nau'in nematodes ne na tsire-tsire waɗanda ke yaduwa a ko'ina cikin duniya.A cikin yankuna masu zafi da na wurare masu zafi tare da yawan ruwan sama da yanayi mai laushi, cutarwar nematode tushen-kullin yana da mahimmanci musamman.

Tunda yawancin cututtukan nematode suna faruwa akan tushen shuke-shuke, yana da wuya a yi amfani da magungunan kashe qwari.Kuma yana da sauƙi ga tsararraki su zoba a cikin kayan lambu na kayan lambu, wanda ke faruwa da gaske, don haka tushen-ƙulli nematodes galibi suna da wahalar sarrafawa.

Tushen-ƙulli nematode yana da nau'ikan runduna, kuma yana iya lalata nau'ikan runduna sama da 3000 kamar kayan lambu, amfanin gona na abinci, amfanin gona na kuɗi, bishiyar 'ya'yan itace, tsire-tsire na ado da ciyawa.Bayan kayan lambu sun kamu da tushen-kullin nematode, tsire-tsire na sama na ƙasa gajere ne, rassan da ganye suna raguwa ko kuma sun yi rawaya, girma ya ragu, launin ganye yana da haske kamar rashin ruwa, haɓakar tsire-tsire masu fama da cuta. rauni, shuke-shuke suna wilting a fari, da dukan shuka ya mutu a cikin tsanani lokuta.

Za a iya raba nematicides na gargajiya zuwa fumigants da marasa fumigants bisa ga hanyoyin amfani daban-daban.

Fumigant

Ya hada da halogenated hydrocarbons da isothiocyanates, kuma wadanda ba fumigants sun hada da Organic phosphorus da carbamate.Methyl bromide da chloropicrin su ne halogenated hydrocarbons, wanda zai iya hana gina jiki kira na tushen knot nematodes da biochemical dauki a cikin numfashi tsarin;Carbosulfan da Mianlong suna cikin methyl isothiocyanate fumigants, wanda zai iya hana numfashin tushen kullin nematodes har zuwa mutuwa.

Nau'in fumigation

Daga cikin wadanda ba fumigant nematicides, thiazolphos, phoxim, phoxim da kumachlorpyrifosna cikin sinadarin phosphorus, carbofuran, aldicarb da carbofuran suna cikin carbmate.Nematicides marasa fumigant suna lalata aikin tsarin juyayi na tushen kullin nematodes ta hanyar ɗaure zuwa acetylcholinesterase a cikin synapses na tushen kullin nematodes.Yawancin lokaci ba sa kashe tushen kullin nematodes, amma kawai suna iya sa tushen kullin nematodes su rasa ikon gano wurin da cutar, don haka galibi ana kiran su "masu kashe paralysis na nematode".

A halin yanzu, babu sababbin nematicides da yawa, daga cikinsu akwai fluorenyl sulfone, spiroethyl ester, bifluorosulfone da fluconazole.Abamectinsannan kuma ana yawan amfani da thiazolophos.Bugu da kari, dangane da magungunan kashe kwayoyin cuta, Penicillium lilacinus da Bacillus thuringiensis HAN055 da aka yiwa rajista a Konuo suma suna da karfin kasuwa.