Nws yog zoo paub tias xaiv thiab cog seedlings ntawm cabbage yog tsuas yog thawj kauj ruam ntawm txoj kev mus rau ib tug zoo sau. Qhov tseem ceeb tshaj plaws nyob rau hauv loj hlob cabbage yog yuav tsum tau txuag cabbage txaj los ntawm cov kab mob thiab cov pests. Feem ntau, gardeners tsis paub yuav ua li cas, pom tias stains tshwm rau ntawm nplooj ntawm lovingly cog cabbage, thiab tsuas yog nrog ib tug kev tu siab lawv saib li cas nplooj tig daj, tig dawb thiab twist. Tshaj dua rau cov txheej txheem kab yog tias nplooj ntawm nws wither thiab ntswj, thiab vim li cas nws tshwm sim, koj tuaj yeem kawm los ntawm peb tsab xov xwm.
Yog vim li cas cabbage twist lub nplooj?
Lub ntsiab yog vim li cas qhov nplooj ntawm cabbage pib qhuav li, ua them nrog whitish me ntsis thiab curl - invasion ntawm cabbage aphids. Cov kab me me ntawm cov pob ntsej muag dawb-dawb xim nyiam nyob hauv cov cheeb tsam loj, noj cov kua txiv hmab txiv ntoo. Ua ntej qhov pib ntawm lub caij ntuj no, lawv nteg ib myriad ntawm qe on cabbage nrog, thiab on weeds loj hlob nyob ze. Nyob rau hauv lub caij nplooj ntoos hlav ntawm lub overwintering qe, larvae ntawm aphids tshwm, uas, tom qab ib co 10-14 hnub, tig mus rau cov poj niam laus. Cov neeg, dhau los, muab ib qho tshiab tuaj. Vim li ntawd, txawm tshaj plaws tshaj cabbage txaj yog ua cuam tshuam los ntawm cabbage aphids nyob rau hauv ib tug es tsis ntev lub sij hawm. Thaum lub sij hawm ib lub caij, cov nroj tsuag hlob tshaj 16 tiam ntawm aphids, thiab ob larvae thiab cov neeg laus kab siv siv cabbage kua txiv rau kev noj haus. Txom nyem los ntawm xws li ib tug ntxeem tau ntawm cabbage sai poob kev loj hlob, nws cov nplooj yog them nrog me ntsis, qhuav thiab dhau lub sij hawm lub cabbage tuag. Cabbage cabbage, tau aphids, txawm tsis tsim, los yog cov ntaub ntawv excessively deformed. Tshwj xeeb tshaj yog active aphids reproduce nyob rau hauv moderately ntub thiab sov huab cua, yog li ntawd ib tug sov rainy lub caij ntuj sov gardeners yuav tsum tau tshwj xeeb tshaj yog tau ceev faj.
Puas yog nws ua tau kom txuag cabbage yog nws cov nplooj twist thiab qhuav?
Txawm hais tias kev sib ntaus tawm tsam aphids hauj lwm yog tsis yooj yim txaus, tab sis nrog kev ua raws li kev ntsuas ntawm kev tiv thaiv, kev kawm yog heev tau. Ua ntej, tom qab harvesting, nws yog ib qhov tsim nyog yuav tau ua tib zoo ua puas tsuaj tag nrho cov mob cabbage nrog thiab weeds nyob rau hauv uas aphid qe tau hibernate. Cov av nyob rau hauv qhov chaw nyob qhov twg lub cabbage twb zus yuav tsum tau smelled, li tawm hauv tsis muaj aphids rau qe tsis muaj ib lub caij nyoog kom ciaj sia lub frosts muaj kev nyab xeeb.
Tib ob, kom txo tau qhov tsawg ntawm aphids, nws yog ib qhov ua tau los siv nws cov yeeb ncuab ntuj - ladybirds, lacewings thiab yoov.
Thirdly, yog tias thawj cov cim qhia ntawm cabbage aphids 'lesions yog pom, nws yog ib qhov tsim nyog yuav pib kho qhov chaw nrog insecticides. Yuav ua li cas muaj peev xwm kho nrog cabbage yog hais tias nplooj ntawm nws yog curled thiab qhuav li? Rau thawj kev kho mob, ib tug tov ntawm 5 grams ntawm poov tshuaj chloride thiab 10 grams ntawm superphosphate Extract feem ntau yog siv,