Abafundi abalimi beloli emva kokuba imvula iphumelele amanyathelo okukhusela - iifubhe zokufafaza kunye neetatayi zeengoma ezahlukeneyo ezikunceda ukulwa nezifo embindi. Ngoko ke, malunga nokuba ufuna ukupakisha utamatisi emva kwemvula kwaye zeziphi izisombululo kule nto, ukuba kuyimfuneko, sebenzisa.
Ukutshiza utamatisi emva kwemvula-ewe okanye cha?
Ukuba unenjongo yokufumana isityalo esisisigxina, ukusetyenziswa kwengxenye yomhlaba yemifuno ayikwazi ukuphetshwa. Kuyaziwa ukuba emanzini yamanzi utamatisi ahlamba ngokuphindaphindiweyo angenisa i- spores zezifo, umzekelo, i- phytophthors . Amanzi amaninzi, umswakama ophezulu, utywala obukhulu obuphambili, zonke izinto ezifunekayo ukuphuhliswa kwesi sifo.
Indlela yokufafaza utamatisi emva kwemvula?
Enyanisweni, ukunyanga izitshalo zetamatato kungcono ukusebenzisa izixhobo zasemakhaya ezikhuselekileyo, umzekelo:
- isisombululo se whey, (1-2 ilitha ukuchithwa kwibhakethi yamanzi);
- isisombululo se-ash (kwi-0.5 ilitha yamanzi, i-300 g yezinto ziphekwe imizuzu engama-15-20, kwaye icolile, idibaniswe ne-20 g yesepha, ize iqhutywe kwi-10 ilitha amanzi);
- ukunyuka kwamagilekhi (200 g wamazinyo kunye neentolo zokuqala ezichotshoziweyo, zathela iititha ezili-10 zamanzi, zatsho iintsuku ezimbini).
Ukuba sithetha ngenye into yokupakisha utamatisi emva kwemvula emininzi, oko kuthetha ukuba izinto ezinjalo zamakhemikhali ziphezulu kakhulu:
- isisombululo se-iodine (amaconsi ama-10 amanzi ahlahlela amaconsi angama-20);
- isisombululo esibuthakathaka se-potassium permanganate (thabatha i-1 g yezinto kwiibhakethi zamanzi);
- 1% i-Bordeaux yelwelo.
Kuyimpumelelo ukupakisha utamatisi emva kwemvula kunye ne-trichopolum - isichengisi esingesiyobisi esinobungozi obunokutsha. Isisombululo silungiselelwe ukusuka kwi-10 ilitha amanzi, apho iipilisi ezili-10 zephempi zichithwa. Ukuze umkhiqizo obangelwayo unamathele kwiitamatisi, uneza i-200-250 g yobisi.
Ukongeza, kwi-arsenal yeemali, kunokuba zifakwe utamatisi emva kwemvula ende, kukho imveliso yebhaktheriya ekhuselekile kubantu. Lo nguFitosporin, Alirin-B, Gamair, Gliokladin.