Izimpawu ezengeziwe zokutheleleka okubangelwa i-Phytophthora infestans zivela kutamatisi namazambane eningizimu-ntshonalanga yeFlorida.
Ongoti bathi ukubikezela kwesimo sezulu ezinsukwini ezimbalwa ezizayo kuzoba nomthelela ekukhuleni kwalesi sifo - ekuseni enenkungu, izulu elimanzi kanye nemvula (umswakama ophezulu - cishe u-90%). Ngaphansi kwezimo ezinjalo, i-pathogen ingaphindaphinda ngokushesha futhi kalula ibhubhise insimu katamatisi noma amazambane uma ingalawulwa ngokwanele yi-agronomist.
Izimpawu zalesi sifo emaqabunga zivela njengamabala ansundu angalingani atholakala emaphethelweni amaqabunga. Uma kunomswakama ophezulu, ukumbozwa okumpunga okuphaphathekile kwezinhlamvu ze-condial kubonakala ngaphansi kwamaqabunga anegciwane.
Njengamanje, ama-fungicides ahlala eyizindlela eziphumelela kakhulu zokuvikela izitshalo - kuze kube yilapho kuvela izinhlobo ezimelana nezifo. Ama-fungicides anciphisa izinga lokukhula kwezifo ensimini ngokwenza umgoqo wokuvikela emaqabunga. Nokho, ukusebenzisa nje ikhemikhali akuqinisekisi ukulawulwa kwezifo okuphumelelayo. Ukusebenza komkhiqizo okuhlobene, ububanzi, nesikhathi kufanele kufakwe kumasu okuvikela ukuze kwandiswe izinzuzo. Uketshezi olusebenzayo kufanele lusatshalaliswe kahle, kuhlanganise nangaphansi kweshidi.
Ngenxa yokuthi lesi sifo singasakazeka ngokushesha, abalimi kufanele baqaphe ngokucophelela amasimu abo amazambane kanye notamatisi nsuku zonke, ikakhulukazi uma izimo ezivumela ukuthuthukiswa kwe-Phytophthora infestans zikhona endaweni. (Umthombo: sadyogrody.pl)
Funda ngokugcwele: https://www.agroxxi.ru