Okuqukethwe
Okufanele ukwenze ngokuqhakaza okumhlophe emaqabunga e-currant
Ukuqhakaza okumhlophe kuma-currants kuwuphawu lwe-powdery isikhutha. Isifo se-fungal sithinta ngokushesha izingxenye ezinempilo zesitshalo. Izimpawu zokuqala ziyabonakala ngemuva kweqabunga, eligcwele ukuqhakaza kwe-mealy. Thola ukuthi kungani ama-currants egula nokuthi ungasusa kanjani lesi sifo.
Ngabe ukuqhuma okumhlophe kwamaqabunga e-currant kuvela kuphi?
Umenzeli we-powdery isikhutha i-fungus emelana namakhaza ashubisa umnkantsha, ama-hibernates emaqabungeni awile, utshani kanye nenhlabathi. Lapho izimo zivuma, izingxabano ziqala ukukhula ngokushesha okukhulu.
Ukuqhakaza okumhlophe kuma-currants noma i-powdery isikhutha kusakazeka ngokushesha ezitshalweni ezingomakhelwane
Izizathu eziyinhloko zokuthi kungani isikhutha se-powdery sivela emaqabunga e-currant:
- ihlobo elifudumele kodwa lina;
- ukuntuleka kokukhanyisa;
- ukulingana okungafanele;
- ukunakekelwa okunganele.
Ukuphakama komsebenzi wefungal kwenzeka ngoJulayi. Uma ngalesi sikhathi umswakama womoya wanda, ukutheleleka akunakugwenywa.
Isihlahlana sitshalwa endaweni evulekile ukuze ilanga likhanyise kahle usuku lonke. Ibanga phakathi kwezitshalo lishiywa cishe nge-1 m, onke amahlumela aqina asikwa ukuze isihlahla singene umoya kahle.
Okufanele ukwenze uma ukuqhuma okumhlophe kuvela kuma-currants
Ukulwa ne-mealy plaque kuqala ngokushesha lapho kuvela izimpawu zokuqala zomonakalo. Uma lesi sifo sivunyelwe ukuthatha inkambo yaso, iphuzu lokukhula liyafa, amaqabunga asongwe, izithelo ne-ovary ziyawa. Isihlahlana siyayeka ukukhula bese siyafa.
Amakhambi abantu we-powdery isikhutha kuma-currants:
- Ukumnika kwe-mullein. Isixazululo silungiswa kusuka engxenyeni ye-mullein nezingxenye ezintathu zamanzi, sigcizelelwe endaweni efudumele izinsuku ezimbalwa. Ngaphambi kokufafaza, i-slurry ihlanjululwa ngamanzi 3: 1.
- Ukuthungatha uthuli. Ngemuva kwemvula, isihlahla sifafazwa ngomlotha kakhulu ukuze sonke isitshalo simbozwe.
- Isixazululo seSoda. Nciphisa u-200 g wesoda ne-100 g yensipho yokuwasha ngamalitha ayi-100 amanzi.
- Ukufafaza nge-serum. Amalitha ayi-9 wamanzi kusetshenziswa ilitha elilodwa lama-Whey.
Imishanguzo yokwenziwa kwesihlahla kwenziwa ekuqaleni kwentwasahlobo, ngaphambi kokuqhakaza, ngemuva kwayo nangokwindla. Ehlobo, isitshalo sifuthwa ngemuva kwemvula. Uma lesi sifo sithuthukile, kungcono ukusebenzisa amalungiselelo amakhemikhali aqukethe ithusi.
Ungakhohlwa ngokuvinjelwa kwezifo: khulisa izinhlobo ezingamelana, hlanza amagciwane izinto zokutshala, yenza izihlahla zangasese ngesikhathi esifanele. Ekwindla, susa zonke izinsalela zezitshalo, uzishise kude nesiza, umbe umhlabathi ngaphansi kwezihlahla.
Kungenzeka ukuqeda i-powdery isikhutha kuma-currants, kepha ngosizo lokuvikela nezinyathelo eziphelele. Ungazinaki lezi zeluleko, khona-ke ingadi yakho izohlala iphilile njalo.