Cherry ceri leaf tabo - wani hatsari cutar

Daga cikin masu yawa cututtuka na dutse ya'yan itace amfanin gona daya daga cikin mafiya hatsari ne ceri ceri leaf tabo. Daga wannan cuta ma sha ceri, blackthorn, ceri plum, plum cewa girma kusa da wani kamuwa da itace. By wannan fungal cuta resistant kawai ji ceri. Ko kafin 1962, a cikin Tarayyar Soviet, wannan naman gwari (Coccomyces hiemlis Higg) ya nadiri. Don kwanan wata, ceri ceri leaf tabo a cikin CIS kasashe ne mai tartsatsi ne.

Cherry leaf tabo rinjayar da ganye, zangarniya, stalks, kore da 'ya'yan itace. Tare da m ci gaba da cutar da aka alama bai kai ba leaf fall. Shekara-shekara farkon defoliation ceri take kaiwa zuwa wani gagarumin weakening na itãce, kamar yadda su ma a ba m yanayin zafi da ake fama da sanyi. Masana kimiyya sun gano cewa, da causative wakili na cutar nasarar overwinters a kan auku ganye. Sun kafa wani naman kaza apothecia (fruiting jikin), maturing a watan Afrilu - farkon watan Mayu. Bayan abin da ya faru na dumi weather rakiyar farko na ceri fure, za a fitar da ripened sumkospor yin farko kamuwa itatuwa. Mass ejection na spores faruwa a farkon watan Mayu 1-2. A rayuwarsa da kuma tsawon shafi yanayin.

A farko alamun cutar zama fili a cikin marigayi Yuni 1-2. A guda na takarda akwai kananan m spots na inuwa, sannu a hankali kara a size. A underside na ganye ruwa whitish shafi na faruwa a cikin kusanci da stains, wanda ya kunshi conidiospores na naman gwari. Tare da su taimako, ya settles a duk lokacin rani dogon. Cherry ceri leaf tabo yana da halayyar alama bai kai ba bushewa na 'ya'yan itace a kan rassan a tsakiyar lokacin rani.

Abin da ya yi tare da bayyanar da wannan cuta? Da yaki da ceri leaf tabo dole ne a da za'ayi a kan "duk fronts." Farkon spring kamata a da za'ayi spraying nitrafenom. Wannan hanya yana amfani da wani 60% manna a cikin wani adadin 40-50 kg / ha. Tarin da kuma lalata kamu matattu ganye ya kamata a da za'ayi a ko'ina cikin girma kakar. Shi ne mafi kyau ga ƙone su. A wani matsanancin hali, su ya kamata a binne shi a cikin zurfin 15 cm. Bishiyoyi sarrafa 90% jan karfe oxychloride (4-7 kg / ha), 80% ethyl "Zineb" (4-7 kg / ha) 50% " captan "(5-7 kg / ha), 50%" Ftalanom "(5-7 kg / ha) samar a lokacin subsidence na petals kuma bar a blooming. Maimaita hanya a wani kwanaki 15. A karshe aiki da aka jera a shirye-shirye da za'ayi bayan girbi. Daga kwayoyi amfani nasarar halaka su ceri leaf tabo, ya kamata a lura da Chemical takin "fitosporin" "penconazole" "difenoconazole" "Thiophane-methyl".

Cherry ceri leaf tabo mafi rayayye yada a kan raunana itatuwa. Yana taimaka wa yaduwar high zafi da kuma ruwa weather. Samu irin cherries resistant ceri leaf tabo: seedling-1, Ballad, Victoria, Bystrinka, Novodvorskaja, Volochaevka, Kent, kayan zaki, Dawn Tatarii, Morozovka, Memory Vavilov-, Novella Rovesnitsa, Chocolate, Kharitonovs. Cherry leaf tabo rigakafin matakan - domin kuma m, a cikin lambu, dasa itatuwa a cika rana, yau da kullum jiyya da shirye na musamman, da kau da karfi da ya raunana itatuwa.