Powdery Mildew: kev kho mob thiab kev tiv thaiv

Feem ntau ntawm cov nroj tsuag muaj peev xwm muaj cai coj txawv txawv dawb cov quav hniav. Nws tsis, cov chav no paj, zaub los yog vaj txiv cov qoob loo. Qhov kuaj pom ntawm ib tug whitish hmoov rau cov nplooj ntawd hais lub yeej ntawm pwm. Rau xws li ib tug ntxim hlub lub npe dag ib tug heev tawv ncauj thiab tenacious pwm. Nws overwinters nyob rau hauv cog cov khib nyiab thiab nrog qhov pib ntawm tshav kub pib rau kho nyob rau hauv koj cog. Txom nyem los ntawm nws dib, roses, txiv hmab txiv ntoo fab, cereal cov qoob loo thiab ornamental paj.

Yuav ua li cas nrog pwm? Ua ntej ntawm tag nrho - kev tiv thaiv. Raws sij hawm tshem tawm cov lawv obsolete qhov chaw ntawm cov nroj tsuag. Laus ceg thiab nplooj mercilessly ua kom puas. Av nyob rau hauv cov nroj tsuag tsis tseg friable. Peb tsis tsa cov nroj tsuag heev ze rau ib leeg.

Variations nyob rau hauv yav hmo ntuj thiab nruab hnub kub (tshwj xeeb tshaj yog lawv muaj zog oscillations) exhausting nroj tsuag, thiab adversely cuam tshuam lawv muaj peev xwm zoo thaum nws cov pwm. Tib yam vim li peb yeej tsis ncuav zaub cov qoob loo (eg, dib) nrog dej txias. Txwv tsis pub, lawv sai sai nyob rau powdery pwm. Ntsuas los tshwj kom txhob muaj xws li cov kev taw qhia ntawm potash thiab superphosphate. Nws yog sau tseg hais tias urea thiab lwj tas nyuj dung, on qhov tsis tooj, muab lub teeb ntsuab rau txoj kev loj hlob ntawm tus kab mob. ywg dej tsaws "Quadris" txhais tau hais tias tiv thaiv kom txhob muaj kab mob.

Yog hais tias muaj lawm xwb daim powdery pwm, kev kho mob yuav pib nrog lub processing ntawm tag nrho cov qhov chaw ntawm cov nroj tsuag sulfur. Melkomoloty hmoov yog muab tso rau hauv ib lub hnab ntawm gauze, los ntawm uas nws ces sowed nyob rau "cov neeg mob". Pollination yuav tsum tau ua nyob rau hauv twj ywm huab cua, thiab ces ib tug cua hlob cua los ntawm tag nrho cov koj zog ua hauj lwm mus rau pieces.

Nyob powdery pwm, ib tug pej xeem tshuaj thiab lwm yam kev kho mob muaj xws li zaub mov txawv, ntshai tej poov tshuaj permanganate. Tab sis hais tias nplooj tsis hlawv, cov tshuaj yog diluted nyob rau hauv ib tug tsis muaj zog piv: desyatilitrovoe thoob ntawm dej coj kwv yees li ib tug thiab ib tug ib nrab grams ntawm poov tshuaj permanganate. Tshuaj tsuag qhov cov nroj tsuag nrog ib tug daws.

Tseem muaj ntau tshaj tsawg txoj kev uas yuav sib ntaus sib tua rau lub ntsuab noj qab haus huv tej pawg ntseeg. Qhov no kev kho mob yoojyim whey. Nws yog diluted nrog dej thiab ces thov mus rau cov nroj tsuag. Raws li ib tug tshwm sim, lawv tsim ib tug zaj duab xis, uas tsis muaj me tub cov pwm. Yog li nres lub kev loj hlob ntawm tej kab mob, xws li powdery pwm. Kev kho mob ntawm no tsis nres. Qhov zoo tshaj plaws kev tshwm sim yog tau los ntawm txoj kev mus kom ze.

Yog li ntawd, tsis txhob tsis saib tsis xyuas tshwj xeeb cov neeg ua hauj yog muag muaj. Fungicides uas yog tsim los rau kev tiv thaiv thiab tshem tawm ntawm fungal txhab, yog heev npaum.

Thaum thawj cov cim qhia ntawm tus kab mob yuav tsum tsis tu ncua kev kho mob "Topaz" txhais tau tias yog "Tiovit dav hlau."

Yog hais tias koj cog tau twb tsim nws tus kheej nyob rau hauv lub nplooj ntawm pwm, kev kho mob yog nqa tawm nrog kev pab los ntawm cov nyiaj "Tilt", "Lepidocide", "sai". Tsis txhob yuav tub nkeeg, ua tib zoo nphoo txhua daim ntawv, tsis txhob nco puab yog ib feem ntawm nws! Nws tseem pab tau mus ntxiv cov txheej txheem thiab cov av.

Tshem tawm heev mob ib feem ntawm cov nroj tsuag. Tsis txhob cia kis ntawm lub pwm kom noj qab nyob cog.

Tsis txhob raus tes nyob rau hauv lub sij hawm cov kev ntsuas yuav txuag tau koj favorites los ntawm lub ntsuab menace.