I-Phytophthorosis , eyaziwa nangokuthi "ukubola okubomvu", yenye yezifo ezibi kakhulu apho abalimi beloli bejamelana nazo xa bekhula utamatisi. Esi sifo sichaphazela zonke iinxalenye zesityalo, kubandakanywa iziqhamo, ngoko abantu abaninzi bakhetha iintlobo zentamatyambo ezinxamnye ne-phytophthora. Ngokuqhelekileyo, ukuxhatshazwa kweentamatato ezinobungozi ngokukhawuleza kuyimichibi. Kulo mbandela, siza kuhlalutya ukuba zeziphi iintlobo eziyinyamezelayo esi sifo.
Ngaba zikhona iitamatato ezingagulanga?
Ngangoko kuyimfuneko ukuba uqaphele ukuba i-100% yazo zonke iintlobo zentamatyambo ezinganyangekiyo kwixesha elibi lingekho. Nangona kunjalo, kukho iintlobo zeetamatato ezinokuxhatshazwa kakhulu kwi-phytophthora kunezinye. Kodwa le yodwa yindlela yokhetho. Inketho yesibini kukuba iintlobo zakudala zityalwe, ezikwazi ukuvuna ngaphambi kokuba i-epidemic iqale. Emva koko, njengoko kuyaziwa, ukuphuhliswa kwesi fungus esiyingozi kwizityalo kuhanjiswa ngumoya oshushu, omanzi, oqala ngasekupheleni kukaJulayi-Agasti. Ngako oko, abaninzi banyule ngokukhethekileyo ezo ntlobo ezithengisa ukuza kufikelela ngeli xesha. Ngoku ke makhe sithethe ngakumbi ngeentlobo zetamatato abesabi kakhulu i-phytophthors.
Iintlobo zeTatato ezingqinelana ne-phytophthora
Phakathi kwazo zonke iintlobo zetamatato, ezixhatshazwayo ngokukhawuleza, ndingathanda ukuthetha ngokuthi "iDubok" okanye "iDubrava", njengoko kuthiwa kuthiwa ngabalimi. Kwaye kwenzeka ukuba iintlobo zezi ntlobo zihlala ziphilile xa abanye bebhubha kwisifo. Akukho mkhuhlane ombi kwi-phytophthora yinto yesitato "De Barao Black", ngokuqhelekileyo le ntlobo ayikugula. Phakathi kweetamatato ezikhulayo ezincinci kwi-phytophthora, kuyafaneleka ukuphawula ibakala elithi "Gnome". Ezi ziqhamo zivuthwa kusasa, ngoko zigula ngokuthe gqolo kunezinye. Iintlobo zeentatyambo "Tsar Peter" nazo ziyakuthanda abagadi beligadi ngenxa yokuba ayisoloko ephantsi kwesi sifo, nangona kubonwa ukuba yi-middle-ripe. Phakathi kweentlobo zeetamatati ezinqabileyo ezibandayo ezingamelana nokugqithisa kwexesha elide, kuyimfuneko ukuqaphela "i-Metelitsa". Nangona kunjalo ukuba bavuthiwe ngokukhawuleza, abanqabile ukuba banesifo ngenxa yale fungus. Kule candelo, kuphela ezo ntlobo apho imbewu ingafumaneka khona ekutyaleni kunyaka ozayo okanye, ngokulula, kungekhona i-hybrid, zidweliswe. Icandelo elilandelayo liza kuzinikela ngokupheleleyo kwi-agronomist iindidi zeentatyambo. Masinyane kufuneka utsho ukuba ezi ntlobo zifunyenwe ekuqaleni, njengokuba zinganyangeki kwesi sifo, ngoko zincinci kwi-phytophthora kunezo zichazwe ngasentla.
Iintlobo zeHybrid
Ziyiphi iitato ezange zisoyike kakhulu i-phytophthora, njengabanye? Ewe, ke, hybrid! Emva koko, xa zisuswe, esi sifo sasiqwalaselwa, sazisa oko uMama Wendalo aye wadala khona. Masiqale nge "Soyuz 8 F1", inqabana kakhulu nale fungus engcolileyo kunye nezinye izifo, ezahlula phakathi kwabaninzi. Ibanga elilandelayo endifuna ukulikhankanya lithi "La-la-F1 F1". Ezi tamatato yindlela efanelekileyo yokumelana ne-phytophthora. Ukongezelela, ababonakaliswa kwesinye isifo esiyingozi seentatayi -
Kodwa, ukuba kungenakupholisa, le meko ngezinye izifo iya kugula, ngoko ke ukukhusela okusemgangathweni kwesityalo sakho esi sifo kufikelelwe unyango ngexesha elifanelekileyo. Ngokudibanisa nokutshala iintlobo ezinqabileyo kwi-phytophthora, linika ithuba eliphezulu lokutshala isityalo esikhulu.