Powdery Mildew Squash

2024 Tus sau: Gavin MacAdam | [email protected]. Kawg hloov kho: 2023-12-16 13:40

Powdery mildew yog kab mob fungal txaus ntshai ntawm squash, uas tshwm sim feem ntau hauv thaj tsam tsis-chernozem. Ntxiv nrog rau zucchini, qhov mob no tseem tuaj yeem cuam tshuam nrog squash nrog taub dag. Nws yog qhov tshwj xeeb tshaj yog teeb meem thaum tsis muaj dej txaus, nrog rau cov huab cua huab cua nyob qis. Thiab powdery mildew cuam tshuam rau feem ntau stems nrog nplooj. Koj yuav tsum nrog nws tam sim tom qab nws tau txheeb xyuas, txwv tsis pub qhov tshwm sim tuaj yeem ua rau txaus ntshai heev

Ob peb lo lus hais txog tus kab mob

Ntawm cov kab mob qub tua tawm tsam los ntawm powdery mildew, ntau qhov tseeb, ntawm lawv sab sauv, dawb, sib npaug specks pib tsim. Maj mam, tus naj npawb ntawm cov pob me me nce nrog rau lawv qhov loj me, thiab lawv pib sib koom ua ke thiab txav mus rau sab qis ntawm nplooj, vim qhov uas cov nplooj tau npog tag nrog cov hmoov tuab thiab cov paj dawb. Cov xim ntawm cov cuam tshuam cuam tshuam nplooj hloov los ntawm ntsuab ntsuab mus rau qhov sib zog - feem ntau lawv tig daj -ntsuab, maj mam tsaus thiab ntsws. Thiab cov tub ntxhais hluas nplooj, ua ke nrog cov kab mob sib kis, dhau los ua kev txhim kho, chlorotic thiab tseem tuaj yeem tuag tag nrho.

Zucchini txiv hmab txiv ntoo ntawm cov plaub muag tawm tsam los ntawm scourge ripen ua ntej ntawm lub sijhawm thiab muaj tus yam ntxwv los ntawm cov ntsiab lus tsis txaus qab zib thiab qhov tsis zoo dua. Raws li txoj cai, lawv raug khi lig thiab feem ntau tseem nyob tsis tau txhim kho.

Tus neeg sawv cev ntawm tus kab mob tsis zoo tshwm sim feem ntau ntawm cov nqaij ntawm cov nroj tsuag, cuam tshuam rau cov qoob loo cog los ntawm qhov pib ntawm lawv txoj kev loj hlob. Powdery mildew tawm tsam squash plantings tshwj xeeb tshaj yog nyob rau hauv cov ntaub ntawv ntawm nquag dew poob.

Yuav ua li cas sib ntaus

Thaum loj hlob zucchini, nws yog ib qho tseem ceeb heev uas yuav tsum ua raws cov cai ntawm kev cog qoob loo, rov qab mus rau lawv qhov chaw qub tsawg kawg peb txog plaub xyoos tom qab.

Loj hlob zucchini, yog pom tias muaj cov hmoov me me raug kho, kho nrog kev tshem tawm 1% ntawm cov tshuaj sulfur colloidal lossis 3.5% daws ntawm tooj liab sulfate. Ib qho txiaj ntsig zoo tuaj yeem ua tiav los ntawm kev txau nrog kev daws ntawm cov dej qab zib tshauv nrog kev ntxiv me me ntawm xab npum lossis ammonium nitrate tov.

Ntawm cov tshuaj muaj txiaj ntsig zoo rau kev sib ntaus tawm tsam cov kab mob me me, pob txha tuaj yeem ua qhov txawv xws li "Bayleton", "Sulfarid", "Topaz", "Topsin-M". Cov txiv hmab txiv ntoo kho nrog tshuaj yuav tsum tau muab yaug kom huv nrog dej sov kom tshem cov khoom seem ntawm cov khoom siv los ntawm lawv qhov chaw.

Muaj ntau txoj hauv kev los tua zucchini powdery mildew. Lawv suav nrog hauv kev txau cov zucchini cog nrog cov tshuaj tshauv, mullein infusion lossis quav nyab infusion. Txhawm rau npaj cov tshuaj tshauv, ib kilogram ntawm cov hmoov tshauv huv huv tau tov nrog kaum liv dej. Qhov sib tov, nplawm qee zaum, tau hais kom nyob rau ib lub lim tiam. Thiab txhawm rau kev daws teeb meem kom ua tau zoo dua cov nplooj thaum ua, cov xab npum me me tau ntxiv ua ntej nws tau ua tiav. Txhawm rau kom tau txais cov tshuaj mullein, ib kilogram ntawm cov ntaub ntawv raw tau yaj hauv peb liv dej. Cov tshuaj muaj pes tsawg leeg tau siv rau peb hnub, tom qab uas nws tau lim tam sim ntawd thiab diluted nrog dej dawb (hauv peb liv dej - ib litre ntawm txoj kev lis ntshav). Zoo, nrog quav nyab, kev kho yav tsaus ntuj feem ntau yog ua tiav, thiab nws yog qhov zoo dua los nqa tawm txawm tias ua ntej mealy tawg tshwm ntawm zucchini nplooj. Ib kilogram ntawm cov quav nyab zoo, puv nrog peb liv dej, tseem tau muab nkag rau peb hnub, thiab tom qab ntawd cov dej sib tov sib xyaw kom huv yog diluted nrog dej. Tom qab xya mus rau cuaj hnub, qhov tshuaj tsuag no rov ua dua.

Koj yuav tsum tsis txhob hnov qab txog cov pej xeem txoj hauv kev los daws qhov mob hnyav. Txhawm rau npaj cov tshuaj khaws cia, tshuaj ntsuab xws li woodlice (lossis stellate), dandelion, ivan tshuaj yej, celandine, plantain thiab coltsfoot nrog nettles tau sau. Ob kilograms ntawm cov khoom siv raw tau hliv nrog dej kub hauv qhov me me, ua kom huv hauv av, sib xyaw, thiab tom qab ntawd ntxiv rau kaum liv nrog dej sov. Ob lossis peb hnub tom qab, cov tshuaj raug lim thiab ib diav ntawm xab npum kua thiab urea sib tov rau hauv. Yog tias tsis muaj urea, tom qab ntawd nws raug tso cai hloov nws nrog cov poov tshuaj permanganate hauv qhov nyiaj ntawm 1 g. Cov cog cog tau kho nrog cov txiaj ntsig tau ua ob zaug, soj ntsuam ib ntus ntawm tsib rau rau hnub.

Tom qab sau qoob, cov txaj tau txau ntau nrog kev daws ntawm tooj liab sulfate (npaj ntawm tus nqi ntawm peb diav ib liter dej). Tib yam yog ua rau cov nroj tsuag tuag.