Hollyhock Leaf Spot Kab Mob: Kho Nrog Nplooj Ntoos Ntawm Hollyhock Cog

Cov txheej txheem:

Hollyhock Leaf Spot Kab Mob: Kho Nrog Nplooj Ntoos Ntawm Hollyhock Cog
Hollyhock Leaf Spot Kab Mob: Kho Nrog Nplooj Ntoos Ntawm Hollyhock Cog

Video: Hollyhock Leaf Spot Kab Mob: Kho Nrog Nplooj Ntoos Ntawm Hollyhock Cog

Video: Hollyhock Leaf Spot Kab Mob: Kho Nrog Nplooj Ntoos Ntawm Hollyhock Cog
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Anonim

Hollyhocks yog qhov ntxim nyiam, cov nroj tsuag qub tau pom tau yooj yim los ntawm qhov siab siab ntawm cov yeeb yuj paj. Txawm hais tias hollyhocks zoo li tsis muaj teeb meem, lawv muaj qee zaum plagued los ntawm nplooj kab mob, tshwj xeeb tshaj yog thaum cov xwm txheej sov thiab ntub. Rust yog feem ntau.

Recognizing Nplooj Spot ntawm Hollyhock

Hollyhocks nrog nplooj ntawv qhia me me uas tej zaum yuav xim av, grey, los yog tan, nyob ntawm tus kab mob. Raws li cov pob txha loj tuaj, cov ntaub so ntswg tuag nyob hauv qhov chaw tuaj yeem tso tawm, uas ua rau cov nplooj "hloov-qhov" zoo li.

Cov pob zeb feem ntau khiav ua ke los npog tag nrho cov nplooj thaum muaj av noo. Nyob rau hauv qhuav tej yam kev mob, nplooj yuav siv sij hawm ib tug speckled, tattered tsos. Koj kuj tseem yuav pom cov pob dub me me uas yog cov kab mob fungal.

Hollyhock Nplooj Spot Control

Hollyhock nplooj kab mob, uas feem ntau yog cov kab mob fungal thiab tsawg dua cov kab mob, kis tau los ntawm cua, dej dej, thiab nag. Nplooj nplooj ntawm hollyhocks feem ntau tsis tuag rau cov nroj tsuag thiab kev tswj tshuaj tsis tshua muaj pov thawj; Kev huv huv thiab kev tso dej kom zoo feem ntau khaws cov kab mob hauv kev kuaj xyuas.

Dej hollyhocks thaum nruab hnub, siv lub pas dej da dej lossis cov dej ntws los, lossis cia li cia lub hose tig rau ntawm lub hauv paus ntawm cov nroj tsuag. Tsis txhob overheadsprinklers thiab khaws cov nplooj kom qhuav li sai tau.

Tshem tawm cov nplooj thiab cov nplooj kom sai li sai tau thaum koj pom lawv. Khaws thaj chaw hauv qab thiab ib ncig ntawm cov nroj tsuag kom huv si thiab tsis muaj cov kab mob tuag thiab kab mob. Ib txheej nyias ntawm cov tawv ntoo, ntoo thuv koob, lossis lwm yam mulch yuav ua rau cov dej nag los ntawm cov nplooj. Txwv mulch rau 3 ntiv tes (8 cm.) yog tias muaj teeb meem slugs.

Nyias cov nroj tsuag yog cov hollyhocks coob heev. Cov huab cua zoo tuaj yeem pab tiv thaiv hollyhocks nrog nplooj nplooj thiab txawm tias txo qis tus kab mob. Cov tshuaj fungicides tuaj yeem siv tau thaum kev loj hlob tshiab tshwm sim thaum lub caij nplooj ntoo hlav yog tias lwm txoj hauv kev tswj tsis tau zoo. Nyeem daim ntawv lo kom zoo kom paub tseeb tias cov khoom tsim nyog rau ornamentals.

Pom zoo: