Twist currant nplooj - ua li cas?

Currant yog ib tug heev six thiab noj qab haus huv Berry , muaj ob peb ntau yam, txhua ntawm uas yog zoo nyob rau hauv nws tus kheej txoj kev. Txawm li cas los, gardeners feem ntau nco nrog kev khuv xim vim hais tias ntawm ib co kab mob ntawm currant, nws cov nplooj yog twisted. Yog vim li cas qhov no tshwm sim thiab yuav ua li cas kom txuag tau qhov nroj tsuag - peb kawm los ntawm qhov tsab xov xwm no.

Ua rau ntawm Curling Currant Nplooj

Muaj ob peb nqe lus piav qhia yog vim li cas cov nplooj curl nyob rau hauv dub los yog lwm yam currants. Cov nplooj yog cuam tshuam los ntawm aphids, los yog los ntawm ib tug kab mob viral, thiab nyob rau hauv qee zaus, daim ntawv, powdery mildew los yog anthracnose yog lub culprit. Hais txog tag nrho cov no tsis kaj siab phenomena nyob rau hauv ntau dua kom meej.


Defeat ntawm aphids

Ib tug dog dig soj cij aphids yog grazed by ntsaum mus pub rau cov kua txiv hmab txiv lawv tsim. Xws li tus swb yog ntau dua li lwm tus. Nrhiav cov aphids yog yooj yim heev - cia li saib nyob rau hauv nplooj, thiab yuav muaj ntau ntawm cov kab me me. Sib sib zog nplooj yog qhov tsim nyog ntawm qhov tseeb tias lawv tsuas qhuav tawm vim hais tias cov aphids nqus cov kua txiv hmab txiv los ntawm lawv. Feem ntau cov nplooj tig daj thaum xub thawj, thiab ces lawv curl li. Nws yog tsim nyog los tua tsis tsuas nrog aphids, tab sis kuj nrog ants.

Yuav ua li cas yog hais tias lub currant nplooj yog twisted vim hais tias ntawm aphids:

Currant Torturer

Nws yog ib tug ntsuab thiab heev txawb caterpillar uas tau txov mus txog rau 80% ntawm foliage. Paub hais tias yog vim li cas nyob rau hauv cov nplooj ntawv-yooj yim yog yooj yim - lawv tawm hauv nplooj unified thiab folded mus rau hauv straw. Muaj ob peb theem ntawm kev loj hlob ntawm cov kab: daj-ntsuab qe qe, qias neeg daj lossis qaim ntsuab caterpillars thiab lub teeb liab daj butterflies. Nyob rau hauv txhua rooj plaub, koj yuav tsum tau tam sim ntawd pib kho, uas muaj nyob rau hauv kev ua cov nroj tsuag nrog carbophos ua ntej flowering los yog tom qab sau yog harvested. Cov nplooj nplooj yuav tsum tau muab txiav thiab hlawv tawm ntawm qhov chaw.

Anthracnose

Nyob rau hauv anthracnose, lub currant nplooj blush thiab curl. Tus kab mob yog heev loj thiab tshwm sim rau cov uas tsis yog-chernozem xau nyob rau hauv ntau Berry cov qoob loo. Tus kab mob cuam tshuam rau tag nrho terrestrial ib feem ntawm cov nroj tsuag, thawj manifests raws li violet me ntsis rau ntawm cov tub ntxhais hluas tua, uas ces nthuav, blush, kis tshaj lub cortical ntaub so ntswg, uas ua grey nrog ib tug liab fringing. Tus kab mob adversely cuam tshuam qhov kev loj hlob thiab kev loj hlob ntawm shrubs thiab nws fruiting.

Yuav ua li cas tshuaj tsuag lub currant nplooj, yog hais tias lawv yog cov los ntawm anthracnose:

Powdery mildew

Powdery mildew yog ib tug kab mob uas cuam tshuam rau hauv av ib feem ntawm nroj tsuag, tsis tsuas yog kab ke haiv neeg, tab sis kuj qus. Nyob rau hauv rooj plaub no, tag nrho cov tua, nplooj, lub pob tw yog them nrog ib tug dawb txheej, thawj cobwebby, thiab ces - mealy, grayish-brownish hue. Thaum tus kab mob no yog heev cuam tshuam, qhov tua yog bent, nplooj yog deformed, twisted, qhov kev loj hlob nres, nws thiaj li cov nplooj tau poob tawm. Qhov ua rau ntawm no phenomenon yuav hloov nyob rau hauv kub, tsis muaj lub teeb, tshaj nitrogen nyob rau hauv cov av, tsis muaj calcium, pluag aeration ntawm cov av. Powdery mildew hibernates zoo thiab, nrog lub advent ntawm caij nplooj ntoos hlav, ib zaug dua rages rau ntawm cov nroj tsuag, uas tom qab ob peb xyoos tsuas yog tuag.

Yuav ua li cas yog hais tias tus currant yog curled nplooj vim powdery mildew:

Rov qab kho dua yuav tsum rov ua dua ob zaug nrog ib qho ntawm 7 mus rau 10 hnub.