{"id":42428,"date":"2026-06-28T13:52:19","date_gmt":"2026-06-28T10:52:19","guid":{"rendered":"https:\/\/sadogorodnik.top\/?p=42428"},"modified":"2026-06-28T13:52:19","modified_gmt":"2026-06-28T10:52:19","slug":"prichiny-osennego-czveteniya-plodovyh-derevev-iz-za-rezkih-perepadov-temperatur","status":"publish","type":"post","link":"https:\/\/sadogorodnik.top\/uz\/prichiny-osennego-czveteniya-plodovyh-derevev-iz-za-rezkih-perepadov-temperatur\/","title":{"rendered":"To'satdan harorat o'zgarishi tufayli mevali daraxtlarning kuzgi gullashining sabablari"},"content":{"rendered":"

Meva ekinlarining kuzgi gullashi stressli ekologik sharoitlar tufayli yuzaga keladigan biologik nosozlikdir. Bu mavsumda bog'bonlar ko'pincha sentyabr yoki oktyabr oylarida olma, nok va donli mevali daraxtlarda kurtaklarning ochilishini kuzatadilar. Bu hodisa o'simlikning chuqur uyqu davriga tayyorgarlik ko'rish siklidagi buzilishlarni aniq ko'rsatadi. Bu jarayonning sabablarini tushunish bog'bonlarga o'z qishloq xo'jaligi amaliyotlarini tezda o'zgartirish va kelajakdagi hosildagi yo'qotishlarni minimallashtirish imkonini beradi.<\/p>\n

\"O'simliklarning<\/p>\n

Gul kurtaklarining shakllanish mexanizmi<\/h2>\n

Gul kurtaklarining shakllanishi uzoq vaqt davomida, deyarli 300 kun davom etadi. Bu jarayon barqaror harorat rejimini va o'rtacha ovqatlanishni talab qiladi. Agar yoz o'rtasida g'ayritabiiy issiq ob-havo bo'lsa, to'qimalarning rivojlanishi tezlashadi va sikl 60 kungacha qisqartiriladi.<\/p>\n

To'satdan sovuq tushganda va undan keyin uzoq muddatli iliq ob-havo kuzatilganda, o'simlik sharoit o'zgarishini bahor signali sifatida qabul qiladi. Bu vaqtda, keyingi mavsumga tayyor bo'lgan uxlab yotgan kurtaklar tezda ochila boshlaydi. Bu chuqur uyqu uchun mas'ul bo'lgan o'sish gormonlari ishlab chiqarilishining buzilishi tufayli yuzaga keladi.<\/p>\n

Kuzgi gullash daraxtning sog'lig'ining belgisi deb o'ylash xato. Aksincha, bu stress belgisidir. Agar daraxt oktyabr oyida gullasa, bu uning qish uchun mo'ljallangan muhim ozuqa moddalarini sarflaganini anglatadi.<\/p>\n

Xavf omillari va ob-havo sharoitlarining ta'siri<\/h2>\n

Tuproq namligining to'satdan o'zgarishi boshqa har qanday omillarga qaraganda ko'proq ikkilamchi gullarni keltirib chiqaradi. Mavsum oxirida kuchli yog'ingarchilik bilan kechadigan quruq yoz kurtak ochish uchun ajoyib turtki yaratadi. O'simlik turg'unlikdan chiqib, barcha kuchini gullashga bag'ishlaydi.<\/p>\n

Bu jarayonda haroratning o'zgarishi ham muhim rol o'ynaydi. Meva hosilining normal rivojlanishi uchun optimal harorat o'rtacha namlik bilan 15\u00b0C dan 22\u00b0C gacha. Bu qiymatlar oshib ketganda, avgust oyining oxirida kurtaklarning rivojlanishi faol fazaga kiradi.<\/p>\n

Shuni yodda tutish kerakki, shimoliy navlar bunday muammolarga ko'proq moyil bo'ladi. Ularning vegetatsiya davri juda qisqa va agar sentyabr oyida iliq ob-havo kelsa, ular xato ravishda yangi o'sish siklini boshlaydilar. Bog'bonlarning keng tarqalgan xatosi - kech sug'orish, bu esa bu jarayonni faqat rag'batlantiradi.<\/p>\n

\"Qora<\/p>\n

Hosildorlik va qishga chidamlilikning oqibatlari<\/h2>\n

Kelgusi yil hosilining yo'qolishi kuzgi gullashning asosiy salbiy oqibatidir. Hozir gullagan gullar endi meva bermaydi va bahorda ularning o'rnida bo'sh shoxlar qoladi. Qishda meva kurtaklarini tiklash qulay sharoitlar yo'qligi sababli imkonsizdir.<\/p>\n

Gullashga kuchini sarflagan o'simlik qishga charchagan holda kiradi. Bu uning sovuqqa chidamliligini sezilarli darajada pasaytiradi: to'qimalar bo'shashib, nol daraja past haroratga moyil bo'ladi. Daraxt po'stlog'ining qattiq kuyishi va yog'ochga zarar yetkazishi mumkin.<\/p>\n

Amaliy maslahat: Agar siz kurtaklarning katta ochilishini sezsangiz, daraxtni o'g'it bilan rag'batlantirishga urinmang. Buning o'rniga, uning barcha metabolik jarayonlarni asta-sekin sekinlashtirishiga yo'l qo'ying. Bu davrdagi har qanday o'g'it vaziyatni yanada yomonlashtiradi va daraxtni o'sishda davom etishga majbur qiladi.<\/p>\n

Keraksiz gullashga qarshi kurash usullari<\/h2>\n

Agar daraxt yosh bo'lsa, gullayotgan kurtaklarni qo'lda uzib oling. Bu qolgan ozuqalarni yetilayotgan yog'ochga qayta taqsimlaydi. Qadimgi daraxtlarni uzib olish qiyin, shuning uchun keyingi mavsumda profilaktikaga e'tibor qaratish yaxshidir.<\/p>\n

Quruq davrlarda tuproq namligini nazorat qiling. Agar yoz juda issiq bo'lsa, daraxt tanasini 5-7 sm torf yoki chirindi qatlami bilan mulchalang. Bu ildizlarni qizib ketishdan va haroratning keskin o'zgarishidan himoya qiladi.<\/p>\n

Barglarga zarar yetkazadigan zararkunandalarga qarshi kurash. Iyul va avgust oylarida barglarning yo'qolishi fotosintezni buzadi, bu esa o'z navbatida kurtaklarning shakllanishini kechiktiradi. Sog'lom barglar daraxtning o'z vaqtida uyqu davriga kirishini ta'minlaydi.<\/p>\n\n\n\n\n\n\n\n
Faktor<\/td>\nGullashga ta'siri<\/td>\n<\/tr>\n
Qurg'oqchilik + mo'l-ko'l sug'orish<\/td>\nYuqori xavf<\/td>\n<\/tr>\n
Avgust oyida keskin sovuq bo'ladi<\/td>\nO'rtacha xavf<\/td>\n<\/tr>\n
Tuproqni mulchalash<\/td>\nXavfni kamaytiradi<\/td>\n<\/tr>\n
Kech azotli o'g'itlash<\/td>\nMuhim xavf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Profilaktik choralar va parvarish<\/h2>\n
    \n
  • Iqlimingizga moslashtirilgan navlarni tanlang.<\/li>\n
  • 15-iyuldan keyin azotli o'g'itlarni qo'llashdan saqlaning.<\/li>\n
  • Iyul oyida muntazam, ammo o'rtacha sug'orishni ta'minlang.<\/li>\n
  • Barg yeyuvchi zararkunandalarga qarshi profilaktika choralarini ko'ring.<\/li>\n<\/ul>\n

    \"Yovvoyi<\/p>\n

    Bog'bonlardan tez-tez so'raladigan savollar<\/h2>\n

    Kuzgi gullashdan keyin daraxt o'ladimi?<\/h3>\n

    Yo'q, gullashning o'zi yetuk o'simlik uchun halokatli emas. Biroq, daraxt qattiq qishlarga chidamliligi pasayadi. Bahorda po'stlog'ini diqqat bilan kuzatib boring va agar kerak bo'lsa, muzlagan novdalarni kesib oling.<\/p>\n

    Agar daraxt gullab-yashnagan bo'lsa, uni qoplashim kerakmi?<\/h3>\n

    Qoplama gullashni to'xtatmaydi, lekin zaiflashgan to'qimalarni erta sovuqdan himoya qilishga yordam beradi. Yosh ko'chatlarning tanasi va skelet shoxlarini himoya qilish uchun agrofiberdan foydalaning. Bu qoplama ostidagi haroratni 2-3 daraja Selsiyda ushlab turishga yordam beradi.<\/p>\n

    Nima uchun faqat ma'lum novdalar gullaydi?<\/h3>\n

    Bu quyosh nurlanishining notekis taqsimlanishi tufayli yuzaga keladi. Kun bo'yi quyoshga ta'sir qiladigan shoxlar ko'proq issiqlik oladi va kurtaklarning tezroq rivojlanishiga olib keladi. Bu butun daraxtga ta'sir qilmaydigan mahalliy stressdir.<\/p>\n

    Kuzda o'sish stimulyatorlaridan foydalanish mumkinmi?<\/h3>\n

    Mutlaqo yo'q. Har qanday stimulyatorlar hujayra bo'linishini faollashtirishga qaratilgan bo'lib, hozirda bu kontrendikedir. O'simlik yangi to'qimalarni o'stirish emas, balki uyqu fazasiga kirishi kerak.<\/p>","protected":false},"excerpt":{"rendered":"

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