Grey Rot Squash

Cov txheej txheem:

Video: Grey Rot Squash

Video: Grey Rot Squash
Video: Blossom End Rot on Squash, Zucchini and Tomatoes in the Home Garden 2024, Tej zaum
Grey Rot Squash
Grey Rot Squash
Anonim
Grey rot squash
Grey rot squash

Grey rot tshwj xeeb yog cuam tshuam rau squash peduncles thiab zes qe menyuam nrog paj. Cov cheeb tsam cuam tshuam tau npog nrog qhov tawg paj tsis zoo thiab sai sai pib rot. Raws li, qhov tawm los ntawm cov txiv hmab txiv ntoo ntawm cov nroj tsuag muaj kab mob tau txo qis. Feem ntau, grey rot tawm tsam zucchini thaum los nag thiab huab cua txias txaus nyob hauv. Txhawm rau zam kev poob qoob loo tseem ceeb, nws yog ib qho tseem ceeb kom pib ua ntu zus txhawm rau txhawm rau txhawm rau qhov tsis zoo

Ob peb lo lus hais txog tus kab mob

Thaum huab cua qhuav teev nyob rau hauv, cov ntaub so ntswg kis tau xim av thiab maj mam tuag. Yog tias huab cua ntub txaus, tom qab ntawd cov ntaub so ntswg ntawm zucchini pib txhav, thiab cov paj daj tshwm tuaj rau lawv. Tsis tas li, hauv thaj chaw muaj tus kab mob, koj tuaj yeem soj ntsuam qhov tsim ntawm sclerotia (cov xim dub me me). Rot kis tau sai dua cov txiv hmab txiv ntoo, qee zaum npog lawv tag nrho.

Qhov ua rau tus neeg sawv cev ntawm zucchini grey rot yog kab mob hu ua fungus uas ua rau cov qoob loo loj hlob tuaj hauv lub tsev cog khoom lossis cov chaw tso zaj duab xis me me. Thoob plaws hauv lub caij cog qoob loo, cov kab mob fungal tau hloov pauv los ntawm cov paj muaj mob mus rau kev noj qab haus huv nrog kev pab ntawm muv thiab lwm yam kab ua paug, uas ua rau muaj kev cuam tshuam rau cov nroj tsuag tshiab. Tsis tas li, cov kab mob ntawm cov ntoo tuaj yeem nqa tau los ntawm dej thaum lub sijhawm ywg dej thiab cua. Thiab cov kab mob overwinters feem ntau ntawm cov seem ntawm cuam tshuam cov nroj tsuag. Lub peev xwm ntawm cov kab mob uas tsim teeb meem kom muaj sia nyob zoo yog vim qhov tseeb tias nws tau nquag pub rau cov nroj tsuag uas seem tuag thiab zam rau ntau yam xwm txheej tsis zoo yooj yim heev: cov av noo ntau dhau, qhuav heev, cua sov thiab te.

Duab
Duab

Hauv ib lub caij, cov kab mob sib kis tau muab ntau txog kaum ib mus rau kaum ob tiam ntawm cov kab mob. Germinating nyob rau hauv cov ntaub so ntswg ntawm cov nroj tsuag nws tawm tsam, nws tsim mycelium thiab spores tshiab.

Kev cog ntoo tuab thiab ywg dej nrog dej txias muaj peev xwm ua rau muaj kev txhim kho kev loj hlob ntawm grey rot ntawm zucchini. Thiab qhov mob hnyav tshaj plaws tau sau tseg thaum ntsuas kub ntawm nees nkaum peb txog rau nees nkaum tsib degrees. Yog tias qhov kub pib poob qis, kev txhim kho ntawm cov fungus yuav qeeb thiab tsim cov kab mob yuav nres.

Yuav ua li cas sib ntaus

Txhawm rau tiv thaiv grey rot thaum loj hlob zucchini, nws raug nquahu kom ua raws cov cai ntawm kev cog qoob loo: cov qoob loo hauv kev cog qoob loo yuav tsum tau hloov pauv, rov qab zucchini rau lawv qhov chaw yav dhau los tsis ntxov dua ob lossis peb xyoos tom qab. Nroj tsuag seem yuav tsum tau muab tshem tawm tam sim los ntawm thaj av. Nws kuj tseem pom zoo kom ua ntu zus zucchini loj hlob nrog phosphorus chiv. Caij nplooj zeeg kev khawb av kuj tseem yuav ua haujlwm zoo.

Foliar pub mis ntawm zucchini yuav ua rau muaj txiaj ntsig ntau. Nws yooj yim heev los npaj kev daws teeb meem rau lawv kev siv: 10 g ntawm urea, 2 g ntawm tooj liab sulfate thiab 1 g ntawm zinc sulfate tau yaj hauv kaum liv dej.

Duab
Duab

Yog tias cov zucchini cog pib loj hlob sai thiab khov khov, tom qab ntawd txiav tawm li ib feem peb ntawm lawv cov nplooj. Ua ntej tshaj plaws, lawv sim tshem cov nplooj loj tshaj plaws thiab qub tshaj plaws. Qhov ntsuas no yuav pab xyuas kom cov cua nkag mus zoo dua ntawm cov nroj tsuag.

Yog pom cov kab mob hauv zes qe menyuam thiab paj qhuav, lawv yuav tsum tau muab tshem tawm kom raws sijhawm, thiab cov av muaj mob hauv lub tsev cog khoom yuav tsum tau hloov tam sim.

Ntawm thawj cov cim ntawm kev txhim kho ntawm qhov tsis muaj hmoo, ywg dej yuav tsum tau txo thiab cov qoob loo loj hlob yuav tsum tau txau nrog tooj liab daws. Txhawm rau npaj cov tshuaj no, ib diav ntawm polycarbacin lossis tooj liab oxychloride (50%) yog diluted hauv kaum liv dej. Kwv yees li ib nrab ntawm cov tshuaj daws tau siv rau txhua tsob ntoo.

Tsis tas li ntawd, cov nroj tsuag tau txau nrog cov tshuaj chalk thiab tooj liab sulfate (2: 1) thiab cov tshuaj tua kab tshwj xeeb "Ronilan". Cov tshuaj tua kab no muaj nyob hauv nws cov tshuaj lom uas tua cov kab mob hu ua fungi - nws tsis tsuas yog tua cov kab mob hu ua fungal, tab sis kuj txwv tsis pub lawv cov kev tawm tsam ntxiv, thiab tseem txwv kev loj hlob ntawm cov kab mob hu ua mycelium. Txawm li cas los xij, feem ntau cov cuab yeej no tau siv sab hauv tsev.

Pom zoo: