I-Peronosporoz yamakhukhamba

Isifo se-Peronosporosis noma i-powdery yamanga yisifo esithinta amaqabunga amakhukhamba nezihlobo zabo eziseduze - u-squash ne-ithanga. Ngesikhathi lesi sifo saziwa kuphela eMpumalanga Ekude, kodwa ema-80 ama-mushroom we-peronosporosis avela emgqeni wethu, okuholela ekubhujisweni kwezinto eziningi zesitshalo.

Isizathu sokubukeka kwe-peronosporosis ngokuvamile kuvame ukukhuphuka komswakama, ngoba izindawo zokudoba ze-fungus zingene emagqabeni asitshalo ngqo lapho kukhona umswakama. Futhi, imbewu yekhukhamba ingaqale igciwane lesifo. I-Peronosporoz ingaba ebusika emaqabeni asendulo, ngakho-ke kungcono ukuwashisa njalo.

Ukhukhu lwamanga lwamakhukhamba luthinta amaqabunga kuphela, kodwa ngenxa yalokho inqubo ye-photosynthesis yenzeke, unikeze izitshalo zonke ezitholakala ngelanga, khona-ke isitshalo ngaphandle kwamaqabunga masinyane siyafa. I-Peronosporoz ingahlasela amakhukhamba nganoma yisiphi isikhathi - ekuqaleni kwenkathi, lapho kuvela amaqabunga amancane kuphela, phakathi noma ekupheleni kwenkathi. Kodwa iningi lama-ukhukhamba e-peronosporoz liziphatha ngo-Agasti, ngoba ngalesi sikhathi kukhona ushintsho lokushisa - ilanga liyashisa, futhi ebusuku kupholile, okuholela ekubukeni komswakama, okwenza indawo enhle yokuthuthukiswa kwefungus.

Futhi, udinga ukunaka iqiniso lokuthi isikhutha se-powdery singathinta hhayi kuphela ukhukhamba womhlabathi, kodwa futhi nesibamba sokushisa .

Ukuthola i-peronosporoz ilula kakhulu - emaqabunga asitshalo avela amabala aphuzi, inani lawo liqhubeka landa, futhi ngakwesokunene kwekhasi kubonakala into efana ne-plaque elihlaza.

Indlela yokugwema i-peronosporosis?

1. Okokuqala, kunezinkamba ezingathinteki yilesi sifo. Lokhu kungabuzwa esitolo, kukhetha imbewu.
2. Okwesibili, sebenzisa izinyathelo zokuqapha. Imbewu yamakhukhamba ngaphambi kokutshala iyaphathwa kangcono ngesisombululo se-potassium permanganate ukubhubhisa i-fungus, uma isivele ithinte imbewu yakho ekuqaleni. Kungcono futhi ukutshala ukhukhamba unyaka ngamunye endaweni eyodwa, ngoba uma ukhukhamba lonyaka odlule begula, i-peronosporosis ingahlala emhlabathini.
3. Okwesithathu, kuyadingeka ukukhipha ukhukhamba ngamanzi afudumele. Futhi, uma ukhulisa endaweni yokushisa, cindezela ngokucophelela igumbi ukugwema umswakama owedlulele.

Kusho ukulwa ne-peronosporosis

Okokuqala, uma i-peronosporous ihlasela ukhukhamba ekupheleni kwenkathi, kulula ukwenza lutho, kodwa nje ukuvuna, ngoba i-fungus ayithinti izithelo nhlobo futhi iyahlala iyinto efanayo. Ngokufanayo, ungenza uma ukhukhamba "uhlaselwa" phakathi nonyaka. Lesi sitshalo asifi ngokushesha, ngakho-ke amakhokhamba amaningi asenesikhathi sokuvuthwa. Ungazama ukusekela isitshalo ngokufafaza amaqabunga ayo ngesisombululo se-phytosporin noma ubisi omuncu.

Kodwa uma ufuna ukuqoqa isitshalo sakho somthetho noma i-peronosporoz kusuka kwamakhukhamba, utholakale ekuqaleni kwenkathi, nalapho izithelo azizange zivele, kanti kuphela ukulinganisa amakhemikhali ngokumelene mild powdery isikhutha kungakusiza. Fafaza ukhukhamba ungase usebenzise i- Bordeaux fluid noma ezinye izindlela eziqukethe ithusi, ngoba i-fungus yezimpaphe iyesaba kakhulu. Futhi, mayelana namakhemikhali, ungaxhumana esitolo, lapho uzokwazi ukutshela ithuluzi elihle kakhulu. Qinisekisa ukuthi ulandela imithetho yokusetshenziswa kwamakhemikhali, ngoba angaba nonobuthi.

Sithemba ukuthi izeluleko zethu zizokusiza empini yokulwa ne-peronosporosis yamakhukhamba. Yiqiniso, kungcono ukuthi lawa amakhowe avame ukweqa imibhede yakho, kodwa manje, uma kwenzeka ukuhlasela kwesitha, uzokwazi izindlela zokulwa nazo. Ngemuva kwalokho, njengoba bekusho, baxwayisa - kusho ukuzivikela.