Ngeshwa, nayo yonke intandokazi yemithi yezithelo i-apple-tree isengozini yezifo eziningi nezinambuzane. Okuyingozi kunazo zonke kungabalwa kanye ne-black apple carcinoma.
Isifo somdlavuza omnyama
Umdlavuza omnyama uyisifo se-fungal esithinta izingxenye ezihlukahlukene zomuthi: izithelo, amaqabunga, amagxolo esiqu kanye namagatsha. Umdlavuza omnyama ubonakala njengophawu olubomvu olubonakala luqala, njengamabala amancane, okwandisa ngesayizi ngokuhamba kwesikhathi. Lapho i-trunk ibonakalisiwe, igxolo liboshwe ngombala obumnyama, njengendawo eqashiwe, lapho kuvela khona ukuqhuma. Ngenxa yalokho, umuthi othintekile uveza isitshalo esibuthakathaka, izithelo zibola. I-apula ishona ngokushesha.
Indlela yokuphilisa i-apula ngesihlahla somdlavuza omnyama?
Uma uthola izimpawu zomdlavuza omnyama, umuthi kufanele uhlanzwe kusuka emathangeni ngomese. Amagatsha kanye namagatsha aphethwe yizicucu, zivutha. Kudingeka ukhiqize futhi uphathe umdlavuza omnyama esihlahleni somuthi wama apula. Indawo ethintekile ye-cortex isuswe, iyancipha ukusika ngo-1-2 cm ezindaweni ezinempilo zokhuni. Khona-ke "isilonda" esinjalo siphathwa ngesisombululo se-2% sethusi sulfate, emva kwalokho igoliwe ngokucophelela ngefrimu engadini. Le nqubo yenziwa ekuqaleni kwentwasahlobo, ngaphambi kokuba umoya uqhume kuze kufike ku +13 + 15 ° C.
Ukuze kutholakale izinyathelo zokulwa nomdlavuza omnyama we-apple kungasetshenziswa futhi uphefa wonke umuthi ngesisombululo se-1% se-copper sulfate ekuqaleni kwentwasahlobo. Ngenhloso efanayo, ingxube ka-3% yaseBordeaux nayo ifanelekile. Umphumela omuhle ukwelashwa komqhele kanye ne-trunk fungicides, isibonelo, "HOM". Khumbula ukuthi udinga ukufafaza uphinde ufafaze phansi.
Ukuvimbela i-apula carcinoma emnyama
Indlela yokuvimbela yokulwa namanqamu amnyama kungukusabalalisa kwentwasahlobo kanye nekwindla yemithi yama-apula, ukususwa kwamanzi amagatsha , ukususwa nokushiswa kwezihlahla ezimele, amagatsha, izithelo. Ngaphezu kwalokho, sincoma ukutshala izinhlobo ze-apula eziphikisana nomdlavuza omnyama engadini yakho: iPapirovka, Borovinka, i-safari yePepin, i-Cinnamon striped, uJonathan, i-Idared, uLobo.