Chimwe chezvirwere zvinotyisa mujasi is powdery mildew. Ichi chirwere chinopisa, chinokanganisa zvikamu zvose zvegwenzi (mashizha, mashizha, matavi nemabriji), rinoratidzika semucheka-jena mutsvuku, uyo unozopedzisira wasviba kumushuzha-grey. Chinhu chinonyanya kukosha ndechekuti nekuuya kwechando, fungus haifi, asi kuendeswa kune zvikamu zvakakanganiswa zvezvirimwa. Muchirimo, anobudisa kunze spores, uye mabhu akavakidzana anopa nzira kune utachiona. Ndokusaka varimi vakawanda vachida kuziva nezvehutano hwekurwisana neAmerican powdery mildew ye gooseberry, iyo inodanwa nokuti chirwere chakauya kuEurasia kubva kuAmerica.
Nzira dzekurwisa powdery mildew
Nzira yakakosha yekurwisana neipi inotapukira nehutachiona chirwere inopera. Mhinduro inogadzirirwa, iyo inoda kuiswa pamusango uye ivhu riri pasi payo ne sprayer neruzha rinoputira. Mhinduro yacho inobatwa, sekutonga, kutanga chikamu chepamusoro chegwenzi. Zvadaro zvikamu zvepasi uye zvishoma zvegwenzi zvinoputirwa: edza kurova mazai ose uye mashizha kubva kumativi ose, uye, zvechokwadi, tora pasi pasi pegwenzi. Iko kushambadzira kwekutanga kunowanikwa mukutanga kwechitubu, pamberi pemiti inoshanda, izvo zvisati zvaitika, zvisati zvaitika. Nzira yechipiri inoitwa panotangira maruva, uye chechitatu - mumazuva manomwe. Kupera, nenzira, inoitwa mumhepo yakadzikama, yakadzikama.
Kuti zviyero zvekurwisa powdery mildew pa gooseberries zvinogona kuonekwa uye kupisa zvose zvinokonzerwa negwenzi muitiko apo kushambadzira hakubatsiri. Zviri nani zvakare kubata zvirimwa zviri pedyo nemumwe wemishonga inotevera yekudzivirira zvinangwa.
Kurwisana nemakemikari evanhu vechirwere
Kutaura nezvekurwisana ne powdery mildew, kutanga pane zvose tinofanira kutaura nezvemishonga yevanhu. Chigumisiro chakanaka chinogona kutarisirwa mushure mekurapwa kwe gooseberries neine ash solution. Iyo yakagadzirirwa kubva mumudziyo wemvura inodziya uye 1 kg yehuni yehuni, kusimbisa mazuva 4-6, uye zvino shandisa katatu, mazuva ose maviri.
Pakati penzira dzokurwisa poddery mildew kune kuvharwa kwema mullein. Inowanikwa kubva kune imwe chikamu cheMurlein, yakanatswa muzvikamu zvitatu zvemvura, ikasimudzira kwemazuva matatu. Mushure meizvi, kuvharwa kunodonhedzwa uye kunoshandiswa kutsvaira.
Chibereko chakanaka ndechokurapa gorosi ne soda-soda solution. Iyo yakagadzirirwa kune mvura yakafanana kubva kune 50 g ye sese yekuchenesa, iyo inofanira kushandiswa pa grater yakawanda, 2 tablespoons e soda nemabhakede emvura. Mhinduro yacho inoshandiswa mushure mokunge maruva.
Kurwisana ne powdery mildew pa gooseberries ikemikari nzira
Mukuparadzwa kwechirwere, mhinduro yemhangura sulphate, iyo inowanikwa kubva mubhakiti remvura uye 80 g yezvinhu, yakaratidza kuti yakanyatsosimbiswa. Izvo zvakaitwa zvine mhinduro ye nitrafen, yakagadzirirwa kubva ku 200 g yezvinhu uye 10 litita emvura inodziya. Chero chezvinhu izvi zvinoshandiswa pa gooseberries musati ma buds bud.
Mashizha aya anoputirwa ne 3% solution ye Bordeaux liquid . Inowanikwa nekunyatsovhenganisa 10 litita emvura, 300 magamu e quicklime uye 300 g yemhangura sulfate.
Apo bhabheri rinotumbuka, unogona kushandisa sarudzo ye soda ash.
Kuti abvise powdery mildew pa gooseberries, fungicides (ndiko kuti, makemikari anoshanda kurwisana nehosha dzefungal) dzinotengeswa mune dzimwe nzvimbo dzinogona kushandiswa. Izvi, somuenzaniso, "HOM", "Abhiga-Peak", "Tivit Jet", "Vektra", "Kulumus", "Skor". Izvo zvakabatwa mumvura maererano nemirayiridzo iyi, kazhinji inenge 25-40 g pamubhati wemvura.