Txheeb xyuas cov Kab Tsuag Boxwood: Cov Lus Qhia Rau Kev Kho Kab Mob Ntawm Boxwoods

Cov txheej txheem:

Txheeb xyuas cov Kab Tsuag Boxwood: Cov Lus Qhia Rau Kev Kho Kab Mob Ntawm Boxwoods
Txheeb xyuas cov Kab Tsuag Boxwood: Cov Lus Qhia Rau Kev Kho Kab Mob Ntawm Boxwoods

Video: Txheeb xyuas cov Kab Tsuag Boxwood: Cov Lus Qhia Rau Kev Kho Kab Mob Ntawm Boxwoods

Video: Txheeb xyuas cov Kab Tsuag Boxwood: Cov Lus Qhia Rau Kev Kho Kab Mob Ntawm Boxwoods
Video: tos koj hauv nruab dab - nuj xeem - nkauj tawm tshiab fullMV 2021 2024, Tej zaum
Anonim

Boxwoods (Buxus spp) yog me me, evergreen shrubs uas feem ntau pom siv los ua hedges thiab ciam teb nroj tsuag. Thaum lawv muaj zog heev thiab yoog tau hauv ntau thaj chaw huab cua, nws tsis yog qhov tsis yooj yim rau cov nroj tsuag yuav raug kev txom nyem nrog cov kab tsuag ntoo ntawm cov ntoo. Txawm hais tias muaj ntau yam kab tsuag uas tsis xav tau yog qhov zoo, qee zaum, kev tswj cov kab ntoo yog qhov tseem ceeb rau kev noj qab haus huv ntawm cov nroj tsuag. Cov kab lus hauv qab no muaj cov ntaub ntawv hais txog cov kab tsuag uas muaj kab tsuag thiab kho kab mob ntawm boxwoods.

Boxwood Shrub Pests

Boxwoods feem ntau yog cov nroj tsuag tu yooj yim uas tuaj yeem loj hlob hauv lub hnub los yog ntxoov ntxoo thiab feem ntau siv rau me me rau nruab nrab-qhov loj me. Txawm hais tias lawv yooj yim ntawm kev saib xyuas, ntau cov kab muaj kev vam meej ntawm boxwood bushes.

Boxwood leafminer

Cov kab mob phem tshaj plaws ntawm boxwoods yog boxwood leafminer. Nws yog ib tug yoov me me uas yog haiv neeg nyob hauv Europe tab sis tam sim no pom thoob plaws hauv Tebchaws Meskas. Ob tus neeg laus thiab lawv cov larvae ua rau muaj kev puas tsuaj loj rau cov ntoo ntoo hauv daim ntawv ntawm blistering thiab discoloration.

Tus neeg laus nplooj ntoo yog li 0.1 ntiv tes (0.25 cm.) ntev thiab saib tsis yooj yim. Lawv yog txiv kab ntxwv-daj mus rau liab. Thaum lub Tsib Hlis, qhov me me (0.125 nti(0.3 cm.) ntev) larvae ua txiv kab ntxwv-xim pupae thiab tawm li yoov. Cov neeg laus ua niam txiv thiab tom qab ntawd tus poj niam nteg nws cov qe sib sib zog nqus hauv cov ntaub so ntswg. Cov qe loj hlob peb lub lis piam tom qab thiab cov larvae maj mam loj hlob thaum lawv munch ntawm sab hauv nplooj.

Tswj cov kab ntoo nplooj ntoo kab pib pib nrog xaiv ntau yam resistant ntau yam pib. Qee cov cultivars nrog ntau yam kuj yog:

  • 'Handworthiensis'
  • 'Pyramidalis'
  • 'Suffrutoicosa'
  • 'Varder Valley'
  • Buxus microphylla var. japonica

Yog tias nws lig me ntsis rau qhov ntawd, koj tuaj yeem txo cov pej xeem los ntawm kev txiav ua ntej cov neeg laus tshwm sim lossis tom qab qe tso.

Qee cov tshuaj tua kab tuaj yeem siv tau, tab sis kev tswj hwm nyuaj, vim tias daim ntawv thov yuav tsum tau teem sijhawm nrog cov neeg laus tshwm sim. Cov tshuaj tsuag muaj bifenthrin, carbaryl, cyfluthrin, lossis malathion tuaj yeem siv los kho cov kab no ntawm cov ntoo ntoo.

Boxwood mite

Eurytetranychus buxi yog kab laug sab mite - lub boxwood mite kom meej. Cov kab ntoo ntoo no pub rau hauv qab ntawm nplooj, ua rau lawv stippled nrog me me dawb los yog daj me ntsis. Ob qho tib si European thiab Asmeskas boxwoods raug rau boxwood mites. Japanese boxwood yog me ntsis resistant. Cov ntawv thov nitrogen siab ua ke nrog cov neeg coob coob ntawm cov kab ntoo.

Raws li lwm hom kab laug sab mites, cov kab tsuag no overwinter li qe nyob rau hauv qab ntawm nplooj. Tom qab ntawd lawv loj hlob hauv lub Tsib Hlis nrog lwm tiam ntawm txoj kev hauv 2-3 lub lis piam. Vim qhov no txhais tau tias ntau tiam neeg ibxyoo, kho cov kab no ntawm boxwoods yog qhov tseem ceeb kom ntxov li sai tau. Cov mites yog cov nquag nquag nyob rau lub caij nplooj ntoos hlav thiab lub caij ntuj sov thaum ntxov thiab thaum lawv phem tshaj plaws thaum cov xwm txheej qhuav thiab plua plav. Kev ua kom tiav tuaj yeem tshwm sim yog tias muaj kab mob hnyav.

Yuav kho cov kab ntoo ntawm cov kab ntoo, koj tuaj yeem sim ntxuav lawv ntawm cov nroj tsuag nrog dej ntws. Tsis tas li ntawd, horticultural roj yog siv tau. Rau kev kho mob hnyav, siv cov khoom uas muaj abamectin, bifenthrin, malathion, lossis oxythioquinox thawj ob lub lis piam ntawm lub Tsib Hlis kom tau txais kev dhia ntawm cov pejxeem.

Boxwood psyllid

Lwm yam kab marauder yog boxwood psyllid (Cacopsylla busi). Txawm hais tias qhov no tsis tshua muaj kab mob hnyav dua li cov lus hais saum toj no, nws tseem tuaj yeem ua rau muaj kev puas tsuaj ntau rau koj lub thawv ntoo. Qhov kev puas tsuaj yog purely cosmetic nrog cupping ntawm nplooj thiab cuam tshuam twig kev loj hlob. Lub psyllid cuam tshuam tag nrho cov boxwoods, tab sis American boxwood yog qhov cuam tshuam tshaj plaws.

Zoo li kab laug sab mite, boxwood psyllid overwinters raws li me me, txiv kab ntxwv qe uas hatches nyob rau lub caij nplooj ntoos hlav thaum lub buds ntawm cov nroj tsuag qhib. Cov nymphs pib pub rau cov nroj tsuag tam sim ntawd. Nyob rau theem no, cov kab puas tsuaj rau cov nroj tsuag, ua rau nplooj rau khob. Lub cupping muab qhov chaw nkaum rau psyllid nrog rau kev tiv thaiv. Lawv dhau los ua neeg laus thaum lub Rau Hli thiab tom qab ntawd ua khub. Cov poj niam nteg lawv cov qe ntawm cov pob txha ntawm lub boxwood kom overwinter mus txog rau lub caij nplooj ntoos hlav tom ntej. Muaj ib tug pejxeem nyob rau ib xyoos.

Txhawm rau tswj psyllids, siv tib cov tshuaj tua kab uas tau hais los saum toj no thaum lub Tsib Hlis thaum cov tub ntxhais hluas muajua tsaug.

Kab Kab Ntxiv ntawm Boxwood Bushes

Cov lus hais saum toj no yog peb kab kab ntau tshaj plaws nyob rau hauv lub thawv ntoo, tab sis kuj muaj lwm yam kev puas tsuaj rau kab tsuag.

Boxwoods muaj kev cuam tshuam rau cov kab mob cab nematodes, uas ua rau cov nplooj bronzing, stunted kev loj hlob, thiab kev poob qis ntawm tsob ntoo. Muaj ntau hom nematodes no. American boxwood yog resistant rau hauv paus-knot nematodes tab sis ua siab ntev ntawm stunt nematodes.

Thaum koj muaj nematodes, koj muaj lawv. Lub hom phiaj yog kom txo cov pejxeem kom tsawg li ntau tau. Loj hlob cov nroj tsuag uas tsis cuam tshuam los ntawm nematodes kom txo cov pej xeem thiab ua raws li kev saib xyuas - fertilize, mulch thiab dej tsis tu ncua kom cov nroj tsuag kev noj qab haus huv tag nrho.

Tsawg ua kom puas, tab sis tsis muaj qhov khaus tsawg, qee zaus muaj kab mob ntawm nplai, kab laug sab, thiab kab laug sab. Scale thiab whitefly yog ob qho tib si nqus kab uas ua rau muaj ntau yam marring ntawm nplooj ntawm boxwood tab sis yog txwv tsis pub ncaj ncees.

Mealybugs exude honeydew, uas yog txaus nyiam rau ntsaum, yog li koj yuav muaj tsawg kawg yog ob kab mob los daws. Mealybugs yog qhov nyuaj los tswj nrog cov tshuaj tua kab. Qhov tshwm sim ntawm cov tsiaj nyeg thiab cab cab tuaj yeem pab tswj cov pej xeem. Tsis tas li ntawd, kev siv xab npum tshuaj tua kab, cov roj nqaim, lossis txawm tias cov dej muaj zog tuaj yeem txo cov pejxeem.

Ntau hom kab ntsig kuj tuaj yeem tsim teeb meem nrog cov ntoo ntoo.

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