Powdery Mildew Apple Control: Yuav Ua Li Cas Kho Apple Ntoo Nrog Powdery Mildew

2024 Tus sau: Chloe Blomfield | [email protected]. Kawg hloov kho: 2023-12-15 23:55

Koj tau ua haujlwm ntev thiab nyuaj kom koj lub vaj txiv apple noj qab nyob zoo thiab loj hlob. Koj tau ua tiav kev saib xyuas kom raug thiab cia siab tias txhua yam yuav zoo rau cov qoob loo zoo rau xyoo no. Tom qab ntawd, thaum lub caij nplooj ntoos hlav, koj pom tias koj cov buds tsis qhib. Ob peb hnub tom qab, koj pom lawv tau npog hauv cov hmoov nplej, uas yog cov hmoov dawb rau lub teeb grey. Hmoov tsis zoo, powdery mildew hauv txiv apples tau tawm tsam koj cov ntoo.

About Apple Tree Powdery Mildew

Cov no yog cov kab mob ntawm cov kab mob mildew fungus (Podosphaera leucotricha). Cov paj tsis loj hlob ib txwm, nrog cov paj zoo li ntsuab-dawb. Lawv yuav tsis txi txiv. Nplooj tuaj yeem yog thawj tus kab mob. Cov no tej zaum yuav wrinkled thiab me.

Zoo li, txiv apples powdery mildew yuav kis mus rau lwm cov ntoo hauv lub orchard yog tias nws tseem tsis tau muaj. Thaum kawg, nws yuav kis cov nplooj tshiab, txiv hmab txiv ntoo, thiab tua ntawm cov ntoo nyob ze. Thaum lub caij ntuj sov, ntau tsob ntoo yog browning. Yog hais tias cov txiv hmab txiv ntoo tsim tag nrho, nws yuav dwarfed los yog npog nrog russeted daim tawv nqaij; Txawm li cas los xij, cov txiv hmab txiv ntoo tsis cuam tshuam txog thaum tus kab mob nce mus txog qib siab.

Kua ntoo nrog cov kab mob mildew feem ntau kis los ntawm cov kab mob uas tau tshuab thiaboverwintered nyob rau hauv tsob ntoo. Powdery mildew tsim tau zoo tshaj plaws ntawm temps ntawm 65 mus rau 80 F. (18-27 C.) thiab thaum txheeb ze av noo siab. Cov dej noo tsis xav tau rau kev loj hlob. Cov kab mob no tseem loj hlob thiab kis mus txog thaum nws nres.

Powdery Mildew Apple Control

Cov tshuaj tua kab mob fungicide yuav tsum pib ntawm cov kab nrib pleb thiab txuas ntxiv mus txog thaum qhov kev loj hlob ntawm cov tua tshiab nres rau powdery mildew kua tswj. Siv ib tug ntau yam ntawm fungicides, nrog ib tug thib peb tshuaj tsuag nyob rau hauv thaum ntxov caij ntuj sov. Kev tswj hwm hauv vaj tsev uas tsuas muaj ob peb tsob ntoo kuj yuav ua tiav.

Cov txiv hmab txiv ntoo tsis tshua muaj peev xwm tsim kab mob loj. Thaum hloov cov txiv apples lossis cog cov ntoo tshiab, xav txog cov kab mob tiv thaiv kom tsis txhob muaj teeb meem xws li pwm pwm thiab lwm yam kab mob.

tsob ntoo noj qab nyob zoo tsis tshua muaj peev xwm succumb rau powdery mildew. Ua kom lawv muaj zog nrog kev tso dej kom zoo, sib nrug kom zoo kom muaj huab cua zoo, fertilization, tshuaj tua kab mob, thiab tshuaj tua kab. Prune txiv apples nyob rau lub sijhawm tsim nyog nrog txoj hauv kev. Kev tu tsob ntoo zoo dua yuav muab rov qab nrog cov qoob loo ntau.