Aphids yog kab tias feem ntau ntawm tag nrho cov vaj kab. Hmoov zoo, lawv yog cov kab tsuag uas yooj yim tshaj plaws los daws thiab tsis tshua muaj kev puas tsuaj loj rau lub vaj.
Aphid Txheej txheem cej luam
Me me thiab yuav luag tsis muaj zog, aphids tuaj yeem yooj yim mus nrhiav tsis tau, tab sis feem ntau yog qhov ua rau stunted kev loj hlob hauv cov nroj tsuag. Aphids tsis muaj nyob rau hauv cov cheeb tsam kub kub xws li yav qab teb Florida, tab sis muaj ntau nyob rau hauv tag nrho lwm qhov ntawm lub teb chaws.
Zoo
Aphids feem ntau yog li ntawm ib mus rau ob millimeters loj - loj dua ib lub taub hau, tab sis me dua ib tug taum - thiab feem ntau pom muaj nyob rau ntawm cov tub ntxhais hluas stems ntawm cov nroj tsuag, feem ntau clustered nyob ib ncig ntawm cov lus qhia loj hlob. Lawv kuj sib sau ua ke nyob rau hauv qab ntawm nplooj.
- Aphids tej zaum yuav ntsuab, daj, dawb, xim av, dub, liab dawb los yog reddish xim.
- Lawv pawg nyob rau hauv cov pawg tuab uas tshwm sim tsis muaj zog, tab sis lawv txav mus qeeb qeeb dhau ntawm lawv txoj sia.
- Lub plhaub dawb ntawm aphids uas tau molted yeej ib txwm pom ua ke nrog pab pawg ntawm aphids nyob.
Tseem yuav muaj aphids ntau qhov ntau thiab tsawg hauv txhua pab pawg uas sawv cev rau cov hnub nyoog sib txawv thiab theem ntawm kev loj hlob. Thaum kawg, cov neeg laus aphids tau mus rau theem kawg ntawm metamorphosis qhov twg lawv tsim tis thiab ya tawm mus rau lwm cov nroj tsuag kom tso lawv cov qe, pib lub neej voj voog dua.
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Effect on Nroj tsuag
Aphids nqus cov kua dej tawm ntawm cov stems ntawm cov nroj tsuag tiv thaiv kom tsis txhob loj hlob. Cov stems yuav maj mam pib desiccate thiab tshwm shriveled. Yog tias kab mob hnyav heev, cov nroj tsuag yuav tuag.
Aphids yog cov teeb meem feem ntau ntawm cov nroj tsuag me me. Lawv tawm tsam cov lus qhia loj hlob ntawm tsob ntoo thiab ntoo, tab sis tsis tshua muaj kev puas tsuaj loj rau cov ntoo ntoo no.
Ants thiab Aphids
Yog tias koj pom cov ntsaum nkag mus rau hauv cov stems ntawm koj cov nroj tsuag, muaj lub caij nyoog zoo lawv tuaj xyuas ib pawg ntawm aphids. Ants lawv tus kheej tsis ua mob rau cov nroj tsuag, tab sis lawv noj cov khoom qab zib secreted los ntawm aphids, hu ua honeydew.
Txoj kev sib raug zoo ntawm cov ntsaum thiab aphids tau hloov zuj zus mus ntev heev uas cov ntsaum tau tsim cov cwj pwm tiv thaiv aphid - lawv nquag ua haujlwm los tiv thaiv cov aphids me me tawm tsam cov kab loj dua uas pub rau lawv.
Ntawm Nrog Honeydew Signs
Cov khoom qab zib uas ntsaum noj yog nplaum heev thiab tuaj yeem tsim nyob rau ntawm cov stems ntawm cov nroj tsuag thiab txhawb cov kab mob fungal. Yog li nyob rau hauv cov ntaub ntawv ntawm cov kab mob loj heev, cov khoom nplaum greyish feem ntau pom qhov twg pwm spores tau colonized honeydew, ntxiv degrading kev noj qab haus huv ntawm cov nroj tsuag.
Tsis tas li ntawd, qhov chaw aphids tau kis cov lus qhia loj hlob ntawm cov ntoo cov pwm kab mob honeydew zoo li poob rau hauv av, ua rau muaj kev ntxhov siab ntawm patios, txoj kev tsheb thiab lwm qhov chaw paving, nrog rau tsheb thiab lwm yam khoom.
Aphid Control
Ib theem ntawm cov neeg aphid feem ntau tuaj yeem zam tau hauv lub vaj, tab sis yog tias lawv tawm ntawm tes muaj ntau txoj hauv kev los tawm tsam lawv.
Txawm li cas los xij, kev cuam tshuam nrog aphids ntawm cov ntoo loj feem ntau yog siv tsis tau rau cov tswv tsev. Arborists muaj cov cuab yeej tshwj xeeb uas tso cai rau lawv txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau nws nws nws yog ib qho tsim nyog yuav tau txais kev siv nyiaj. kev kis kab mob tsis ntev.
Natural Methods
Muaj qee qhov yooj yim, txhua txoj hauv kev los daws cov kab mob aphid:
- Ntxhais cov kab mob ntawm txhua tsob nroj thiab cia siab tias cov aphids tsis rov qab thaum cov nroj tsuag rov qab los - tsuas yog nco ntsoov muab cov khoom cog muaj kab mob hauv cov thoob khib nyiab kom cov aphids tsis tuaj yeem rov qab mus. lub vaj.
- Yog tias tsuas muaj qee cov nroj tsuag muaj kab mob, cov dej tawg tuaj yeem ua haujlwm kom tshem tawm lawv - qhov no tshwj xeeb tshaj yog rau cov nroj tsuag sab hauv tsev uas cov aphids tuaj yeem ntxuav hauv qhov ntws.
- Tseem kuj muaj ntau yam tshuaj tua kab kab mob uas muaj kab mob, feem ntau uas tsis muaj dab tsi ntau tshaj li dej, tais xab npum thiab zaub roj thiab tuaj yeem ua hauv tsev.
- Natural predators ntawm aphids kuj yuav raug tso tawm nyob rau hauv lub vaj xws li ladybugs thiab ntsuab lacewings, muaj nyob rau hauv lub vaj chaw zov me nyuam los yog los ntawm kev xa ntawv xaj khoom.
Chemical Control
Txhua yam tshuaj tua kab uas sau rau cov kab mos, xws li cov tshuaj malathion lossis Sevin plua plav, tuaj yeem kho tau rau kev tswj cov aphids.
Qhov upside ntawm cov khoom no yog tias lawv yuav txuas ntxiv tua aphids rau lub sijhawm luv luv tom qab lawv siv thaum cov tshuaj tsuag ntuj feem ntau tsis ua.
Qhov downside yog cov tshuaj tsuag kuj yuav tua cov kab uas muaj txiaj ntsig - lawv yog cov uas tua cov aphids - ua rau cov neeg ua teb vam khom cov tshuaj no raws li cov txheej txheem ntawm kev txheeb xyuas thiab sib npaug raug puas tsuaj.
Part of Ecosystem
Aphids yog ib feem tseem ceeb ntawm txhua qhov ecosystem, suav nrog lub vaj. Thaum lub ecosystem nyob rau hauv qhov sib npaug, lawv cov pejxeem yuav tsum nyob qis (ua tsaug rau lawv cov tsiaj txhu ntuj), cia cov nroj tsuag zam kev tawm tsam me me. Tab sis yog tias muaj neeg coob coob, koj tuaj yeem xaiv los tawm tsam kom txuag tau cog qoob loo.
