Txhua tus neeg uas pom lawv tus kheej hauv qhov tsis tshua muaj qhov pom ntawm grubs hauv lub vaj yuav tsum xub txiav txim siab seb nws puas muaj ntau yam teeb meem. Yog tias muaj, muaj ntau txoj hauv kev yooj yim los tawm tsam nws. Piv txwv li, nematodes.
Yuav ua li cas nematodes ua haujlwm tawm tsam grubs hauv vaj?
Siv nematodes tiv thaiv grubs yog ib txoj kev zoo thiab maj mam tswj kab tsuag. Predatory nematodes ntawm genus Heterorhabditis ntxeem tau cov grubs thiab tua lawv nrog cov kab mob. Txoj kev no tshwj xeeb tshaj yog siv rau lub Rau Hli thiab vaj kab, tab sis tsawg dua rau May beetles.
Tsis muaj tshuaj lom neeg tiv thaiv kab mob
Ib cag ntawm qhov tseeb tias qhov kev tawm tsam loj loj xws li cov neeg nyob rau xyoo 1950 yog ib yam ntawm yav dhau los thiab lawv cov larvae tsuas yog tshwm sim nyob rau niaj hnub no - tsis muaj tshuaj lom neeg ua phem rau cov kab, uas yog cov tshuaj tua kab. Kev puas tsuaj los ntawm lawv thiab grubs ntawm lwm hom kab yog qhov nruab nrab niaj hnub no.
Lub larvae ntawm kab kab los ntawm superfamily Scarabaeoidea yog hu ua grubs. Tab sis tsuas yog qee qhov ntawm nws yog teeb meem rau vaj nroj tsuag. Cov no suav nrog:
- Cockchafer
- June beetle
- Zaj nplooj kab
Thaum lawv 2-4 xyoos ntawm kev loj hlob hauv av, lawv cov larvae noj cov hauv paus hniav ntawm cov nroj tsuag muaj sia, ua rau lawv tuag. Nyom, piv txwv li, vaj nyom, tab sis kuj ornamental thiab pab nroj tsuag nyob rau hauv lub txaj yog tshwj xeeb tshaj yog cuam tshuam. Koj tuaj yeem paub qhov kev puas tsuaj yog tias cov nroj tsuag saum toj no zoo li qhuav thiab wilted; cov Islands tuaj daj tshwm hauv cov nyom nyom uas tuaj yeem tshem tawm ntawm tes.
Yuav kom tshem tawm cov voracious grubs hauv av, nws yog ib advisable mus khawb rau hauv qhov chaw uas tsim nyog. Ua ntej, tsuas sau cov larvae. Qhov no yuav tsis ua tiav tag nrho - nematodes yuav pab kom xaus rau qhov so.
Nematodes as grub destroyers
Nematodes yog roundworms thiab tsim muaj ntau yam phylum nyob rau hauv lub nceeg vaj tsiaj. Qee hom yog qhov teeb meem loj rau kev ua teb thiab kev ua liaj ua teb vim tias lawv tuaj yeem ua rau tag nrho cov qoob loo puas tsuaj loj. Lwm tus kuj tau pom tias yog kab muaj txiaj ntsig - vim lawv txoj kev ua neej muaj kab mob.
Nematodes uas siv tau tawm tsam grubs feem ntau predatory hom ntawm genus Heterorhabditis. Lawv siv cov grubs ua tswv rau lawv cov me nyuam. Lawv nkag mus rau cov larvae thiab tso cov kab mob tuag taus rau hauv lawv cov hlab ntsha.
Txawm li cas los xij, tsis yog txhua hom kab mob sib kis tau zoo sib xws los ntawm nematodes. Txoj kev ua haujlwm zoo heev rau lub Rau Hli thiab vaj kab, tab sis tsawg dua ntawm cockchafers.
Nematodes muaj nyob rau hauv lub vaj lossis cov khw muag khoom kho mob lossis hauv Is Taws Nem. Cov nematodes nyob rau hauv cov av nplaum granules (€ 18.00 ntawm Amazon) tuaj yeem yooj yim nkag mus rau hauv cov av ntawm cov dej ntws.
