Giant mealy kab yog cov kab tsuag tseem ceeb ntawm cov ntoo walnut. Lawv yog cov kab ntawm genus Giant mealy kab nyob rau hauv kev txiav txim Homoptera. Lawv tseem hu ua "straw khau scales" vim hais tias lawv lub cev zoo li straw khau khiab.
Ntxiv rau walnuts, Giant mealy kab kuj ua rau ntau yam ntoo xws li txiv ntseej, persimmons, jujubes, cherries, pears, thiab txiv apples. Thaum cov kab mob loj heev nkag mus rau ntawm tsob ntoo, cov txiv hmab txiv ntoo ua liaj ua teb tsis muaj kev pab vim lawv qhov loj, tuab cuticle, thiab waxy lub cev nto. Tsis tas li ntawd, cov kab tua kab tshwm sim thaum ntxov, qhov kub thiab txias tseem qis, thiab cov tshuaj tua kab tsis tuaj yeem ua rau muaj zog. Yog li ntawd, yog tias koj xav kom tswj tau cov kab mob loj heev, koj yuav tsum nkag siab txog tus qauv ntawm nws qhov tshwm sim thiab txeeb cov kev sib txuas tsis muaj zog los tswj nws.
1. Lub neej keeb kwm ntawm Giant mealy kab
Ib tiam tshwm sim ib xyoos. Nws pib hatch hauv av thiab nyob hauv av rau ob peb hnub. Thaum huab cua tshav ntuj thiab sov, nws yuav loj hlob tuaj ntawm cov ntoo thaum kub siab dua. Tom qab unearthed, nymphs nce toj tsob ntoo mus rau lub tswv yim, axillary buds, thiab lwm yam rau tho thiab nqus puas. Txiv neej nymphs nrhiav txij nkawm thiab txij nkawm tom qab tawm mus rau cov neeg laus, thiab lawv lub neej yog 2-3 hnub. Tom qab molting peb zaug, tus poj niam nymph dhau los ua ib tug poj niam laus thiab pib nkag mus rau hauv lub cev ntoo. Tom qab mating, nws dhia mus rau hauv av kom nteg qe. Cov qe yog qhwv hauv cov ntaub qhwv dawb los ua cov hnab qe. Txhua lub hnab muaj ntau tshaj 100 qe, ua kom tiav lub neej voj voog.
2. Txoj kev tswj lub cev
Tom qab nrhiav tsis pom, cov nymphs nkag rau hauv lub cev los ua kev puas tsuaj, thiab cov poj niam laus nkag mus rau hauv lub cev thiab nkag mus rau hauv av los nteg qe. Lub cev yog tib txoj kev rau Giant mealy kab mus nce thiab nqis. Yog li ntawd, tus yuam sij rau kev tswj cov kab tsuag no yog tsom rau hauv av thiab cov kab ntoo. Txhawm rau ua raws li hauv qab no:
① Tig hauv av kom rhuav tshem cov qe
Ua ke nrog kev siv basal chiv nyob rau lub caij nplooj zeeg, plowing thiab plows tsob ntoo tais, sau cov oocysts nyob rau hauv cov av nyob ib ncig ntawm lub pob tw thiab rhuav tshem lawv intensively. Txoj kev no tsis yooj yim los ntxuav lub hnab qe thiab tsuas yog txo cov qe hauv av xwb.
② Npog cov ntoo disk nrog zaj duab xis kom tiv thaiv kab tsuag tawm
Npog cov ntoo disk nrog mulch, npog lub voj voog nrog lub vojvoog ntawm 1 meter nrog lub cev ua qhov chaw, thiab cog txhua qhov khoob kom tiv thaiv cov nymphs tawm. Txoj kev no zoo heev tab sis muaj teeb meem me ntsis, thiab cov neeg ua liaj ua teb txiv hmab txiv ntoo tsis kam ua.
③ Muab daim kab xev ib ncig ntawm lub hauv paus ntawm lub cev kom tiv thaiv kab tsuag los ntawm kev nce tsob ntoo
Ua ntej cov nymphs nce tsob ntoo, muab cov tawv tawv tawv ntawm lub hauv paus ntawm lub cev thiab qhwv cov ntaub nplaum zoo ib yam nyob ib puag ncig nws kom cov ntaub nplaum nyob ze rau ntawm tsob ntoo lub cev kom tiv thaiv cov nymphs nce toj tsob ntoo. Cov kab mob loj heev yuav sib sau ua ke hauv qab daim kab xev thaum lawv nce tsob ntoo, thiab tom qab ntawd lawv tuaj yeem tua manually. Koj tuaj yeem qhwv ob txheej ntawm daim kab xev los tiv thaiv "ntses los ntawm lub vas". Txoj kev no muaj kev tswj xyuas ntau dua 95% thiab yooj yim rau kev khiav lag luam. Nws yog lub ntsiab ntsuas los tswj Giant mealy kab.
④ Tsob ntoo "hnav tiab" los sau cov kab tsuag ntoo
Ua ntej cov poj niam laus mus rau hauv tsob ntoo mus nteg qe, lawv khi straw tuav rau lub cev, thiab lub qhov ncauj hauv qab yog khi kom nruj thiab lub qhov ncauj sab sauv yog xoob, ua ib tug upside-down "daim tiab" los tsim ib tug overwintering thiab qe-nteg. qhov chaw rau Giant mealy yoov kom sau Giant mealy kab. Ces cia li hle daim tiab nyom thiab hlawv nws. Txoj kev no yuav tsum muaj ntau cov quav cab thiab xav tau ob tug neeg los khi nws kom nruj, yog li nws nyuaj rau kev siv.
⑤ Kev ntsuas ntsuas tom qab Giant mealy kab nkag rau ntawm tsob ntoo
Yog tias muaj qhov sib txawv ntawm daim kab xev thiab tsob ntoo lub cev lossis daim kab xev poob, Giant mealy kab yuav ua rau tsob ntoo puas. Thaum cov kab no nkag mus rau ntawm tsob ntoo, nws tsuas yog tshem tawm nrog tshuaj tua kab. Nws yuav tsum tau tov nrog cov tshuaj tua kab mob + tiv tauj cov tshuaj tua kab + tshuaj tua kab kom tshem tawm tau zoo. Nws yog qhov zoo tshaj rau siv cov tshuaj tua kab txhua 7 hnub. Cov kab mob thiab tiv tauj cov tshuaj tua kab xws li spirotetramat, buprofen, pymetrozine, thiamethoxam, emamectin, thiab perchloramectin tuaj yeem siv los ua tshuaj tua kab.
Pom zoo formula:Spirotetramat + Pymetrozine + Emamectin Benzoate + Silicone.
Cov saum toj no yog cov kev tswj lub cev tseem ceeb rau walnut Giant mealy kab. Nws raug tshem tawm los ntawm kev tiv thaiv Giant mealy yoov los ntawm kev nce ntoo thiab tiv thaiv Giant mealy kab nkag mus rau hauv av. Ntawm lawv, qhwv daim kab xev nyob ib ncig ntawm lub hauv paus ntawm tsob ntoo yog txoj kev tseem ceeb tshaj plaws thiab yooj yim tshaj plaws. Nws txuag kev ua haujlwm thiab teeb meem, yooj yim rau kev khiav lag luam, thiab muaj txiaj ntsig zoo. Nws yuav tsum muaj zog txhawb zog.
