{"id":56624,"date":"2026-06-30T11:06:32","date_gmt":"2026-06-30T08:06:32","guid":{"rendered":"https:\/\/sadogorodnik.top\/?p=56624"},"modified":"2026-06-30T11:06:32","modified_gmt":"2026-06-30T08:06:32","slug":"rasteniya-himery-v-sadu-kak-voznikayut-spontannye-mutaczii-i-privivochnye-formy","status":"publish","type":"post","link":"https:\/\/sadogorodnik.top\/uz\/rasteniya-himery-v-sadu-kak-voznikayut-spontannye-mutaczii-i-privivochnye-formy\/","title":{"rendered":"Bog&#039;dagi Ximera o&#039;simliklari: Spontan mutatsiyalar va payvandlangan shakllar qanday paydo bo&#039;ladi"},"content":{"rendered":"<p>Ximeralar - bu to&#039;qimalari genetik jihatdan xilma-xil hujayralardan tashkil topgan noyob organizmlar. Har bir hujayrada genetik material aralashgan duragaylardan farqli o&#039;laroq, ximeralar turli hujayra liniyalari orasidagi chegaralarni saqlab qoladi. Bog&#039;bonlar uchun ximerizmning mohiyatini tushunish noodatiy rangga yoki o&#039;sish odatlariga ega noyob o&#039;simlik shakllarini kashf etish va ko&#039;paytirish imkoniyatlarini ochadi. Bu jarayonlar tabiatda doimiy ravishda sodir bo&#039;ladi va diqqat bilan kuzatuvchi ularni o&#039;z bog&#039;ida aniqlay oladi.<\/p>\n<p><img decoding=\"async\" title=\"G&#039;ayrioddiy ximera o&#039;simliklari - ular nima va nima uchun ular bunchalik hayratlanarli?\" src=\"https:\/\/sadogorodnik.top\/wp-content\/uploads\/2026\/06\/neobychnye-rasteniya-himery-chto-eto-i-pochemu-oni-tak-udivlyayut_6a42c1d1bcd22.jpeg\" alt=\"G&#039;ayrioddiy ximera o&#039;simliklari - ular nima va nima uchun ular bunchalik hayratlanarli?\"><\/p>\n<h2>O&#039;simliklarda ximerizmning tabiati<\/h2>\n<p>Ximerizm o&#039;simlikning faol o&#039;sish zonasi bo&#039;lgan meristemaning alohida hujayralarida sodir bo&#039;ladigan mutatsiyalar tufayli yuzaga keladi. Agar hujayra xlorofillni sintez qilish qobiliyatini yo&#039;qotsa, undan rivojlanayotgan to&#039;qimalar och yoki rang-barang bo&#039;lib qoladi. Haqiqiy ximeralarni va oddiy rang-barang shakllarni farqlash muhimdir, bunda rang barcha hujayralarda genetik jihatdan aniqlanadi.<\/p>\n<p>Ximeralar rivojlanish mexanizmi ko&#039;pincha to&#039;qimalarning shikastlanishi yoki hujayralarning o&#039;z-o&#039;zidan bo&#039;linishining buzilishi bilan bog&#039;liq. Bu turli xususiyatlarga ega mintaqalarning mozaikasiga olib keladi. Masalan, Senpoliyalarda ximerik gul rangi faqat kurtaklar orqali vegetativ ravishda ko&#039;paytirilganda paydo bo&#039;ladi, chunki urug&#039;lar bu xususiyatni meros qilib olmaydi.<\/p>\n<p>Har qanday rang-baranglikni ximerizm deb hisoblash xato bo&#039;lar edi. Ba&#039;zi o&#039;simliklar hayoti davomida o&#039;zgarmaydigan barqaror genetik barg rangiga ega. Biroq, ximeralar beqarorlikka moyil va agar mutant hujayralar normal hujayralar bilan almashtirilsa, asl holatiga qaytishi mumkin.<\/p>\n<p><img decoding=\"async\" title=\"Har bir bog&#039;bon va xona o&#039;simliklari ixlosmandi ximeralarga duch kelgan. Eng yaqqol misol - rang-barang gullarga ega rang-barang o&#039;simliklar.\" src=\"https:\/\/sadogorodnik.top\/wp-content\/uploads\/2026\/06\/neobychnye-rasteniya-himery-chto-eto-i-pochemu-oni-tak-udivlyayut_6a42c1d20818f.jpeg\" alt=\"Har bir bog&#039;bon va xona o&#039;simliklari ixlosmandi ximeralarga duch kelgan. Eng yaqqol misol - rang-barang gullarga ega rang-barang o&#039;simliklar.\"><\/p>\n<h2>Xususiyatlarning parchalanishi va konsolidatsiyasi<\/h2>\n<p>&quot;Deshimerizatsiya&quot; jarayoni o&#039;simlikning asl, genetik jihatdan bir xil shakliga qaytishidir. Xostalarda bu rang-barang butalarda sof yashil kurtaklar paydo bo&#039;lishi sifatida namoyon bo&#039;ladi. Agar bunday kurtak olib tashlanmasa, u fotosintezning yuqori tezligi tufayli o&#039;simlikning rang-barang qismini butunlay bostirishi mumkin.<\/p>\n<p>Yangi shaklni yaratish uchun mutant novdani ehtiyotkorlik bilan ko&#039;paytirish kerak. Agar o&#039;simlik bir necha fasl davomida o&#039;zgargan xususiyatlarini saqlab qolsa, uni yangi nav deb hisoblash mumkin. Ko&#039;pgina xosta navlari spontan mutatsiyalarni tanlashning ushbu usuli yordamida yaratiladi.<\/p>\n<p>Ximeralar bilan ishlash bo&#039;yicha amaliy maslahatlar:<\/p>\n<ul>\n<li>Asl (odatda yashil) rangiga qaytgan kurtaklarni muntazam ravishda olib tashlang.<\/li>\n<li>Ximer xususiyatlarini saqlab qolish uchun faqat vegetativ ko&#039;paytirishdan foydalaning.<\/li>\n<li>Shuni yodda tutingki, rang-barang ximeralar xlorofill maydonining kamayishi tufayli stressga kamroq chidamli.<\/li>\n<\/ul>\n<p><img decoding=\"async\" title=\"Tabiatda ximeralar o&#039;simlik hujayralaridagi mutatsiyalar natijasida paydo bo&#039;ladi. Masalan, o&#039;simlik bilan biror narsa sodir bo&#039;ladi, ba&#039;zi barg hujayralari mutatsiyaga uchraydi va xlorofill ishlab chiqarish qobiliyatini yo&#039;qotadi.\" src=\"https:\/\/sadogorodnik.top\/wp-content\/uploads\/2026\/06\/neobychnye-rasteniya-himery-chto-eto-i-pochemu-oni-tak-udivlyayut_6a42c1d23d41f.jpeg\" alt=\"Tabiatda ximeralar o&#039;simlik hujayralaridagi mutatsiyalar natijasida paydo bo&#039;ladi. Masalan, o&#039;simlik bilan biror narsa sodir bo&#039;ladi, ba&#039;zi barg hujayralari mutatsiyaga uchraydi va xlorofill ishlab chiqarish qobiliyatini yo&#039;qotadi.\"><\/p>\n<h2>Payvandlangan daraxt ximeralari<\/h2>\n<p>Payvandlash ximeralari novda va ildizpoyaning tutashgan joyida, ikkala organizmning hujayralari birgalikda bo&#039;linishni boshlaganda sodir bo&#039;ladi. Bu noyob hodisa bitta butada ikki xil turga xos xususiyatlarga ega o&#039;simliklarning paydo bo&#039;lishiga olib keladi. Bunga misol qilib Bizzaria achchiq apelsinni keltirish mumkin, bu yerda sitron va achchiq apelsinning mevalari va barglari bir xil daraxtda yonma-yon o&#039;sadi.<\/p>\n<p>Yana bir mashhur misol - laburnumga supurgi payvand qilish orqali yaratilgan Laburnocytis &#039;Adami. O&#039;simlik noyob gullash naqshiga ega: ba&#039;zi shoxlarida sariq gullar, boshqalarida pushti, boshqalarida esa mis-pushti o&#039;tish davri mavjud. Bu o&#039;simliklarning hujayralari bitta organizm ichida birga yashaydi va gibridning vizual effektini yaratadi.<\/p>\n<p>Daraxt ximeralarining xususiyatlari:<\/p>\n<table>\n<tbody>\n<tr>\n<td>Ism<\/td>\n<td>Komponentlar<\/td>\n<td>Natija<\/td>\n<\/tr>\n<tr>\n<td>Bizzariya<\/td>\n<td>Limon + Apelsin<\/td>\n<td>Aralash mevalar<\/td>\n<\/tr>\n<tr>\n<td>Laburnotsit<\/td>\n<td>Laburnum + Supurgi<\/td>\n<td>Ko&#039;p rangli inflorescences<\/td>\n<\/tr>\n<tr>\n<td>Crategomespilus<\/td>\n<td>Medlar + Hawthorn<\/td>\n<td>O&#039;rta turdagi mevalar<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img decoding=\"async\" title=\"Hosta mutatsiyalari va teskari jarayonlar aniq ko&#039;rinib turibdi. Hosta yetishtiruvchilari rang-barang o&#039;simliklarda yashil kurtaklar paydo bo&#039;lishiga duch kelmoqdalar.\" src=\"https:\/\/sadogorodnik.top\/wp-content\/uploads\/2026\/06\/neobychnye-rasteniya-himery-chto-eto-i-pochemu-oni-tak-udivlyayut_6a42c1d275c49.jpeg\" alt=\"Xosta mutatsiyalari va teskari jarayonlar aniq ko&#039;rinadi. Xosta yetishtiruvchilari rang-barang o&#039;simliklarda yashil kurtaklar paydo bo&#039;lishiga duch kelishadi.\"><\/p>\n<h2>Mevali daraxtlarning o&#039;z-o&#039;zidan ximerizmi<\/h2>\n<p>Ko&#039;pgina ustunsimon olma navlari fiksatsiyalangan ximerizm natijasidir. Bir shoxda sodir bo&#039;ladigan mutatsiya o&#039;sish va meva berish shaklini o&#039;zgartiradi va yangi navlarning rivojlanishiga imkon beradi. Bog&#039;bonlar ko&#039;pincha &quot;sport&quot; - boshqa rang yoki shakldagi meva beradigan shoxlarga duch kelishadi.<\/p>\n<p>Bunday shoxcha aniqlanganda, uning barqarorligini baholash muhimdir. Agar undagi mevalar yildan-yilga o&#039;ziga xos xususiyatlarini saqlab qolsa, bu ularni qalamchalar bilan ko&#039;paytirish uchun yaxshi sababdir. Biroq, barcha ximeralarni ko&#039;paytirish mumkin emas: agar mutatsiya faqat meva to&#039;qimalariga ta&#039;sir qilsa, urug&#039;lar bu xususiyatlarni uzatmaydi.<\/p>\n<p>Ximera tanlashda muvaffaqiyatga erishish shartlari:<\/p>\n<ol>\n<li>Daraxtni 2-3 yil davomida kuzatish.<\/li>\n<li>Mevalarning kasalliklarga chidamliligini tekshirish.<\/li>\n<li>Vegetativ ko&#039;payish faqat tasdiqlangan mutant shoxdan amalga oshiriladi.<\/li>\n<\/ol>\n<p><img decoding=\"async\" title=\"Birinchi shunday hujjatlashtirilgan ximera Bizzarria achchiq apelsin (Citrus aurantium Bizzarria) bo&#039;lib, u Florensiya sitronining achchiq apelsinga &quot;xato&quot; tarzda payvand qilingan shaklidir.\" src=\"https:\/\/sadogorodnik.top\/wp-content\/uploads\/2026\/06\/neobychnye-rasteniya-himery-chto-eto-i-pochemu-oni-tak-udivlyayut_6a42c1d2b30aa.jpeg\" alt=\"Birinchi shunday hujjatlashtirilgan ximera Bizzarria achchiq apelsin (Citrus aurantium Bizzarria) bo&#039;lib, u Florensiya sitronining achchiq apelsinga &quot;xato&quot; tarzda payvand qilingan shaklidir.\"><\/p>\n<h2>Sabzavot yetishtirishda ximeralar<\/h2>\n<p>Sabzavot ekinlari, bir yillik bo&#039;lgani uchun, urug&#039;larni ko&#039;paytirish uchun mos bo&#039;lgan barqaror ximerizmni rivojlantirishga kamdan-kam vaqt topadi. Biroq, pomidor mevalarining sektoral ranglanishi ko&#039;pincha mahalliy mutatsiyalarni ko&#039;rsatadi. Bunday o&#039;simliklarni qalamchalar bilan ko&#039;paytirish mumkin, bu esa ko&#039;chatlarning noyob genetik tarkibini saqlab qoladi.<\/p>\n<p>Tungi soya ekinlarini payvandlash ximeralar yaratishning istiqbolli usuli hisoblanadi. Tadqiqotlar shuni ko&#039;rsatadiki, pomidor va tungi soya to&#039;qimalarining birlashishi patogenlarga chidamlilikning o&#039;zgarishiga olib kelishi mumkin. Bu murakkab protsedura bo&#039;lsa-da, hujayra tuzilmalari o&#039;rtasidagi o&#039;zaro ta&#039;sirni amaliy o&#039;rganish imkonini beradi.<\/p>\n<p><img decoding=\"async\" title=\"Laburnotsit \" src=\"https:\/\/sadogorodnik.top\/wp-content\/uploads\/2026\/06\/neobychnye-rasteniya-himery-chto-eto-i-pochemu-oni-tak-udivlyayut_6a42c1d2e7eb1.jpeg\" alt=\"Laburnotsit \"><\/p>\n<h2>Tez-tez so&#039;raladigan savollar<\/h2>\n<h3>Ximerani ataylab olish mumkinmi?<\/h3>\n<p>Maxsus ximeralar dumba payvandlash orqali yaratilishi mumkin, bunda novda va ildizpoyaning kesilgan qismlari kambiyda birlashtiriladi. Biroq, natijalar har doim oldindan aytib bo&#039;lmaydi.<\/p>\n<h3>Nima uchun rang-barang shakllar ko&#039;pincha yashil shakllarga qaraganda kuchsizroq?<\/h3>\n<p>Xlorofillsiz barg joylari fotosintezda ishtirok etmaydi, bu esa o&#039;simlikning umumiy energiya samaradorligini pasaytiradi.<\/p>\n<h3>Ximera xususiyatlari urug&#039;lar orqali yuqadimi?<\/h3>\n<p>Ko&#039;pgina hollarda, yo&#039;q, chunki ximerizm ma&#039;lum bir organizm to&#039;qimalarining tuzilishining xususiyati bo&#039;lib, uning jinsiy hujayralarining emas.<\/p>\n<h3>Agar oddiy kurtak ximerik o&#039;simlikda o&#039;ssa nima qilish kerak?<\/h3>\n<p>U ovqatlanishni egallab olmasligi va mutant to&#039;qimalarni joyidan siljitmasligi uchun uni iloji boricha tezroq olib tashlash kerak.<\/p>\n<p><img decoding=\"async\" title=\"Shunga o&#039;xshash mavzu Crataegomespilus bo&#039;lib, u nemis medlarini (Mespilus germanica) bitta pistil do&#039;lana (Crataegus monogyna) ustiga payvand qilish usuli bo&#039;lib, unda turli hujayralar ham aralashadi.\" src=\"https:\/\/sadogorodnik.top\/wp-content\/uploads\/2026\/06\/neobychnye-rasteniya-himery-chto-eto-i-pochemu-oni-tak-udivlyayut_6a42c1d330e33.jpeg\" alt=\"Shunga o&#039;xshash mavzu Crataegomespilus bo&#039;lib, u nemis medlarini (Mespilus germanica) bitta pistil do&#039;lana (Crataegus monogyna) ustiga payvand qilish usuli bo&#039;lib, unda turli hujayralar ham aralashadi.\"><img decoding=\"async\" title=\"Angliyada rassom Ken Morrish olma daraxtida yarim yashil va yarim qizil rangdagi olma topdi.\" src=\"https:\/\/sadogorodnik.top\/wp-content\/uploads\/2026\/06\/neobychnye-rasteniya-himery-chto-eto-i-pochemu-oni-tak-udivlyayut_6a42c1d363e04.jpeg\" alt=\"Angliyada rassom Ken Morrish olma daraxtida yarim yashil va yarim qizil rangdagi olma topdi.\"><img decoding=\"async\" title=\"Ajoyib Daurian archa \" src=\"https:\/\/sadogorodnik.top\/wp-content\/uploads\/2026\/06\/neobychnye-rasteniya-himery-chto-eto-i-pochemu-oni-tak-udivlyayut_6a42c1d398349.jpeg\" alt=\"Ajoyib Daurian archa \"><img decoding=\"async\" title=\"Ba&#039;zan pomidorlar bo&#039;laklarga bo&#039;linib ham ranglanadi. Masalan, meva qizil rangda, lekin butun bo&#039;lak yoki hatto yarmi shokolad rangida bo&#039;ladi.\" src=\"https:\/\/sadogorodnik.top\/wp-content\/uploads\/2026\/06\/neobychnye-rasteniya-himery-chto-eto-i-pochemu-oni-tak-udivlyayut_6a42c1d3d5af6.jpeg\" alt=\"Ba&#039;zan pomidorlar bo&#039;laklarga bo&#039;linib ham ranglanadi. Masalan, meva qizil rangda, lekin butun bo&#039;lak yoki hatto yarmi shokolad rangida bo&#039;ladi.\"><\/p>","protected":false},"excerpt":{"rendered":"<p>\u0425\u0438\u043c\u0435\u0440\u044b \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0442 \u0441\u043e\u0431\u043e\u0439 \u0443\u043d\u0438\u043a\u0430\u043b\u044c\u043d\u044b\u0435 \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u043c\u044b, \u0442\u043a\u0430\u043d\u0438 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0441\u043e\u0441\u0442\u043e\u044f\u0442 \u0438\u0437 \u0433\u0435\u043d\u0435\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u0440\u0430\u0437\u043d\u043e\u0440\u043e\u0434\u043d\u044b\u0445 \u043a\u043b\u0435\u0442\u043e\u043a. \u0412 \u043e\u0442\u043b\u0438\u0447\u0438\u0435 \u043e\u0442 \u0433\u0438\u0431\u0440\u0438\u0434\u043e\u0432, \u0433\u0434\u0435 \u0433\u0435\u043d\u0435\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b \u0441\u043c\u0435\u0448\u0430\u043d [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":56625,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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