Bishiyoyin apple a hankali suna shiga lokacin furanni. Bayan lokacin furanni, yayin da yanayin zafi ya tashi da sauri, kwari masu cin ganye, kwari na reshe da kwari na 'ya'yan itace duk suna shiga cikin saurin haɓakawa da haɓaka haɓaka, kuma yawan ƙwayoyin cuta daban-daban za su ƙaru cikin sauri.
Kimanin kwanaki 10 bayan faɗuwar fure shine lokaci na biyu mai mahimmanci don magance kwari na bishiyar apple. Kula da hankali ga abubuwan da suka faru na manyan kwari. Da zarar yawan jama'a ya kai ga ma'aunin sarrafawa, dole ne a ɗauki matakan rigakafi da sarrafawa cikin lokaci.
Kafin da kuma bayan flowering fall, yafi duba lalacewar matsayin ganye, matasa harbe, matasa 'ya'yan itãcen marmari da rassan, mayar da hankali a kan ja gizo-gizo mites, leaf nadi moths, apple yellow aphids, woolly apple aphids, kore kwari, auduga bollworms da longhorn beetles, da dai sauransu ., kuma duba ko akwai alamun a cikin ganyen ciki. Akwai jajayen gizo-gizo gizo-gizo, aphids a kan kananan harbe, koren kwari a saman kananan harbe, da kuma duba ko akwai bollworm larvae a kan matasa ganye da 'ya'yan itatuwa.
Don tsire-tsire da saplings, mayar da hankali kan binciken ko akwai larvae na leaf na leaf a saman rassan rassan da ganyen reshe, ko akwai farin flocs (lalacewar aphids na woolly apple aphids) akan tabo na rassan da yankan gani, da kuma ko akwai babban adadin leaf abin nadi asu larvae a kan kututtuka da kuma a ƙasa. Fresh sawdust-kamar droppings (haɗarin ƙaho mai tsayi). Lokacin da adadin kwari ya yi girma, zaɓi fesa magungunan kashe qwari bisa ga nau'in kwari.
Ya kamata a lura cewa 'ya'yan itatuwa matasa suna kula da magungunan kashe qwari kuma suna da haɗari ga phytotoxicity. Ya kamata a guji fesa shirye-shiryen tattara hankali na emulsifiable da ƙananan magungunan kashe qwari a wannan lokacin. Dangane da samarwa, ƙayyadaddun alamun rigakafi da sarrafawa da matakan aiki yayin aiki na ainihi sune kamar haka:
Lokacin da aka sami adadin mites gizo-gizo ya kai 2 kowace ganye a lokacin sintiri na lambu, ana iya fesa acaricides irin su etoxazole ko spirodiclofen don sarrafawa.
Lokacin da adadin aphid ya wuce 60%, ana iya fesa maganin kashe kwari irin su imidacloprid, Lambda-cyhalothrin ko chlorpyrifos don sarrafa aphids da koren wari, aphids apple aphids da sikelin kwari. Daga cikin su, don rigakafi da sarrafa apple woolly aphids, lokacin da tabo ya faru a gonar, ana iya shafe su da hannu ko goge su. Idan yana faruwa akai-akai, baya ga fesa sinadarai da aka ambata a sama a kan rassan lambun gabaɗaya, kuma yakamata a shayar da tushen da sau 1000 na 10% imidacloprid wettable foda.
Idan akwai bollworms na auduga da yawa a cikin gonar, za ku iya fesa magungunan kashe qwari irin su emamectin gishiri da Lambda-cyhalothrin, wanda kuma zai iya sarrafa kwarorin lepidopteran irin su pear heartworms da rollers na ganye.
Idan ka sami sabon ramin najasa a jikin bishiyar, nan da nan a yi amfani da sirinji don allurar 1 zuwa 2 ml na maganin chlorpyrifos ko cypermethrin mai ninki 50 zuwa 100 a cikin ramin najasa, sannan a rufe ramin da ƙasa. Yi hankali kada a yi musu allurar asali don hana haɗuwa daga yin girma da yawa. High kuma haifar da phytotoxicity.
Lokacin aikawa: Afrilu-15-2024