I-Peronosporoz yamakhukhamba

I-Peronosporosis okanye isikhumba se-powdery yamangqina sisifo esichaphazela amaqabunga amakomkom kunye nezihlobo zabo eziseduze - isikwashi kunye nompu. Emva kokuba eso sifo saziwa kuphela kwiMpuma Ekude, kodwa kuma-80 ama-mushroom we-peronosporosis avela kumgca wethu, ekhokelela ekubhujisweni kwezinto ezininzi zesityalo.

Isizathu sokubonakala kwe-peronosporosis sisoloko sinyuka ukunyuka komswakama, kuba iifosospores zefungus zingena kumagqabi esityalo ngokuchanekileyo phambi kobuninzi. Kwakhona, imbewu yekhukhamba inokuqala isifo sesifo. I-Peronosporoz ibusika kumagqabi endala, ngoko kukulungele ukutshisa rhoqo.

Ubuqhetseba obungamanga bamakhukampha buchaphazela kuphela amaqabunga, kodwa ngenxa yokuba iprojekthi ye-photosynthesis yenzeke kuyo, ukunika isityalo sonke isondlo esitholakala ngelanga, ngoko isityalo ngaphandle kwamaqabunga masinya kufa. I-Peronosporoz ingahlasela ukhukhamba nganoma naliphi ixesha-ekuqaleni kwenkathi, xa kuphela amaqabunga amancinane avela, phakathi okanye ekupheleni kwexesha. Kodwa amaninzi amaconksi e-peronosporoz aziphatha ngo-Agasti, kuba ngeli xesha kukho ukutshintsha kwezothutho - imini iyatshisa, kwaye ubusuku bupholile, obangela ukubonakala kobuninzi, ukudala indawo efanelekileyo yokuphuhliswa kwefungus.

Kwakhona, kufuneka uqaphele ukuba i-powdery mildew inokuchaphazela kuphela iikomkomi zomhlaba, kodwa i- greenhouse .

Ukufumana i-peronosporoz ilula kakhulu - kumagqabantshintshi esi sityalo kubonakala njengamabala aphuzi, inani lalo liqhubeka likhula, kwaye kwicala eliphambili lephepha livela into efana ne-plaque eluhlaza.

Indlela yokuphepha i-peronosporosis?

1. Okokuqala, kukho iikomkom ezingachaphazelekayo kwesi sifo. Oku kunokucelwa kwivenkile, kukhetha imbewu.
2. Okwesibini, sebenzisa izilumkiso. Imbewu yamakhukhamba ngaphambi kokutyala iphathwa ngokufanelekileyo ngesisombululo se-potassium permanganate ukutshabalalisa i-fungus, ukuba sele iqalile ukuphazamisa imbewu yakho. Kungcono ukuba ungalima ukhukhamba unyaka ngamnye kwindawo enye, kuba ukuba kwixesha elidlulileyo iikomkom zagula, i-peronosporosis ingahlala emhlabathini.
3. Okwesithathu, kuyinqweneleka ukucoca amakhukhamba ngamanzi afudumeleyo. Yaye, ukuba uyakhula kwi-greenhouse, ngokucophelela ugxininise igumbi ukuphepha ukunyameka okunyanzelekileyo.

Indlela yokulwa ne-peronosporosis

Okokuqala, ukuba i-peronosporous ihlasele ukhukhamba ekupheleni konyaka, kulula ukwenza nto, kodwa nje ukuvuna, kuba i-fungus ayichaphazeli iziqhamo kuwo onke kwaye ihlala isondlo esifanayo. Ngokufanayo, unokwenza ukuba i-mushroom "ihlaselwe" iikomkom phakathi nonyaka. Isityalo asifi ngokukhawuleza, ngoko inani leemkhukhamba linamathuba okukhula. Unokuzama ukuxhasa isityalo ngokufafaza amaqabunga ayo ngesisombululo se-phytosporin okanye ubisi olubi.

Kodwa ukuba ufuna ukuqokelela isityalo sakho sezomthetho okanye i-peronosporoz kwiikomkom, ufumene ekuqaleni kwenkathi, xa iziqhamo zazingabonakali, ngoko kuphela imilinganiselo yamakhemikhali ngokumelene ne-powdery mildew ingakunceda. Ukucoca iikomkoni kungenza i- Bordeaux fluid okanye nayiphi na enye indlela ephethe ubhedu, kuba i-fungus yeentsiba iyamoyika kakhulu. Kwakhona, malunga neekhemikhali, ungabonisana nesitolo, apho uya kuba nakho ukuxelela ithuluzi elingcono. Qinisekisa ukuba ulandele imigaqo yokusetyenziswa kweekhemikhali, kuba zinokuba zityhefu.

Sithemba ukuba iingcebiso zethu ziyakunceda ekulweni ne-peronosporosis yamakhukhamba. Ewe, kulunge ukuba le makhowa ngokugqithiseleyo ibhuqe iibhedi zakho, kodwa ngoku, xa kwenzeka utshaba lokutshabalala, uyazi iindlela zokulwa nazo. Emva koko, njengoko besithi, baxwayisa-kuthetha ukuxhoba.