Mambokadzi webindu - rose - harisi kungofadza uye rinoda kutarisira munhu. Gwenzi rakanaka rinogona kukurira zvirwere zvakasiyana- siyana . Chimwe chezvinhu zvakanyanya uye chinotyisa kumunda ndeye powdery mildew pa roses. Ichi chirwere chinotapira chinoratidzika nechitarisiko chemuchena-grey plaque padanda, rinotsvava, mhinzwa, mashizha uye kunyange maruva emuti wacho. Zvishoma nezvishoma mashizha akaoma, anowira pasi, maruva anopera. Rosi pachayo inowedzera, uye pasi pemamiriro ezvinhu akaipa, rufu rwayo rwava pedo. Asi isu tichakuudza kuti unofanira kuitei ne powdery mildew pa roses uye kuti ungachengetedza sei maruva ako aunoda.
Zvirwere zvevanhu zve powdery mildew pamaruva
Kana iwe rosi rako rakakanganiswa kusvika zvishoma, iwe unogona kurarama nechirwere ichi nekubatsirwa nemishonga yevanhu. Zvisinei, pakutanga, zvakakosha kubvisa zvakaparadzwa zvemuti uye kuzvipisa. Zvadaro kupomera kunowanikwa: kusati kwava buds kuonekwa, panguva yekupenya uye, hongu, shure kwayo.
Chokutanga pane zvose, edza kupindirwa kwemadota uye mullein. Iyo yakagadzirirwa kubva pa 1 kg ye mullein, 10 gangi mabhakiti emvura uye 200 g yemadota, yakasimbirirwa kwevhiki, ndokushandiswa sa spray yemasikati uye nzvimbo dzakapoteredza.
Mhinduro yakanaka ye powdery mildew pamaruva inogonawo kugadzirisa. Izvo zvinhu zvinorongwa zvinogadzirirwa kubva pamamita 10 emvura, umo 1 kg yehairi yakanyatsosanganiswa kwehafu yeawa. Kana ikadikanwa, mvura yean ash inogona kusanganiswa ne 50 g ye sese iri nyore. Bhari yaro inofanira kubviswa pa grater yakawanda uye yakaparadzwa.
Makemikari kubva ku powdery mildew pamaruva
Nevhareji uye ine simba rakasimba rokukundwa, kunaka kwebindu kunoda kushandiswa kwemakemikari. Zvakanaka rubatsiro mukurapa powdery mildew pamaruva kuchave nechinangwa che3% chemuganhu weBordeaux. Vanosvina gwenzi kubva kumusoro uye pasi, uyewo vanogadzira matanda.
Nenzira imwecheteyo, shandisa chero ipi yezvishandiso zviri pasi apa:
- 3% solution yemhangura sulfate;
- 0, 5% solution yemhangura yekorodi;
- mhinduro yemhangura sulfate, soda uye sesefu.
Kugadziriswa kwekupedzisira kwakagadzirirwa kubva pa15-20 g yemhangura sulfate, matangi emvura, 50 g soda ash uye sese 200.
Kuwedzera kune mari inogona kuwanika kumba, tinokukurudzira kuti uedze mazano akasiyana - fungicides. Chinangwa chavo chikuru ndiko kuparadzwa kwezvirwere zvakasiyana-siyana zvehutachiona. Somuenzaniso, mukurwisana ne powdery mildew pamaruva, mari yakadai se "Fitosporin-M", "Bayleton", dombo rekusika, "Maxim", "Topsin-M" vari kurarama zvakanaka. Uye rosi rinoshandiswa kakawanda kusvikira chipuka chinoputika chinopera zvachose. Panguva imwecheteyo, varimi vakawanda vanokurudzira kugadzirisa mushonga wekudzivisa kushandiswa kune fungus.