{"id":36698,"date":"2026-06-25T19:58:48","date_gmt":"2026-06-25T16:58:48","guid":{"rendered":"https:\/\/sadogorodnik.top\/?p=36698"},"modified":"2026-06-25T19:58:48","modified_gmt":"2026-06-25T16:58:48","slug":"prichiny-poyavleniya-sinih-i-chernyh-pyaten-na-kartofele","status":"publish","type":"post","link":"https:\/\/sadogorodnik.top\/uz\/prichiny-poyavleniya-sinih-i-chernyh-pyaten-na-kartofele\/","title":{"rendered":"Kartoshkada ko&#039;k va qora dog&#039;larning sabablari"},"content":{"rendered":"<p>Kartoshka po&#039;stini tozalagandan keyin uning go&#039;shtida qora dog&#039;larni topish bog&#039;bonlar va iste&#039;molchilar duch keladigan keng tarqalgan muammodir. Ko&#039;pincha &quot;ko&#039;karishlar&quot; deb ataladigan bu nuqsonlar ildiz mevasining hujayra tuzilishiga zarar yetkazishi va keyingi biokimyoviy reaksiyalar natijasida yuzaga keladi.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/sadogorodnik.top\/wp-content\/uploads\/2026\/06\/sinie-pyatna-na-kartoshke_6a3d2b40311e8.jpeg\" alt=\"Kartoshkaga mexanik shikastlanish qora dog&#039;lar paydo bo&#039;lishiga olib keladi.\"><\/p>\n<h2>&quot;Ko&#039;karishlar&quot; paydo bo&#039;lishining tabiati\u00ab<\/h2>\n<p>Kartoshka tubi fermentlar va fenol birikmalariga boy tirik tizimdir. Mexanik stress \u2014 masalan, zarbalar, yiqilishlar yoki tashish paytida haddan tashqari bosim \u2014 hujayralarning yaxlitligini buzadi. Vakuolalar tarkibi atmosfera kislorodi bilan aralashadi va tirozinaza fermenti tomonidan tirozinning oksidlanishini keltirib chiqaradi. Bu esa go&#039;shtni qoraytiradigan melanin pigmentlarining hosil bo&#039;lishiga olib keladi.<\/p>\n<p>Dog&#039; paydo bo&#039;lish jarayoni kechiktirilishi mumkin: shikastlanish ko&#039;pincha darhol paydo bo&#039;lmaydi, lekin bir necha hafta saqlashdan so&#039;ng, to&#039;qimaning chuqur qatlamlarida oksidlanish tugagandan so&#039;ng.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/sadogorodnik.top\/wp-content\/uploads\/2026\/06\/sinie-pyatna-na-kartoshke_6a3d2b40832a3.jpeg\" alt=\"Pulpa qorayishining sababi sifatida polifenollarning oksidlanishi\"><\/p>\n<h2>Qorong&#039;ulikka olib keladigan omillar<\/h2>\n<p>Dog&#039;lar paydo bo&#039;lishi ehtimoli qishloq xo&#039;jaligi amaliyoti va ekinlarni qayta ishlash sharoitlariga bog&#039;liq:<\/p>\n<ul>\n<li><strong>Varietal xususiyatlari:<\/strong> Kraxmalli va maydalangan navlar osonroq shikastlanadigan mo&#039;rtroq hujayralarga ega.<\/li>\n<li><strong>Yetuklik darajasi:<\/strong> Pishmagan ildiz mevalari mexanik stressga ko&#039;proq moyil bo&#039;ladi.<\/li>\n<li><strong>Harorat sharoitlari:<\/strong> Past haroratlarda matolar mo&#039;rt bo&#039;lib qoladi, bu esa sovuq havoda tozalash paytida shikastlanish xavfini oshiradi.<\/li>\n<li><strong>Mineral oziqlanish:<\/strong> Ortiqcha azot pishishni kechiktiradi, bu esa ildiz mevalarni &quot;suvli&quot; va shikastlanishga moyil qiladi. Kaliy yetishmasligi hujayra devorlarining elastikligini pasaytiradi.<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/sadogorodnik.top\/wp-content\/uploads\/2026\/06\/sinie-pyatna-na-kartoshke_6a3d2b40dbad7.jpeg\" alt=\"Kaliyli o&#039;g&#039;itlarning kartoshka sifatiga ta&#039;siri\"><\/p>\n<table>\n<tbody>\n<tr>\n<td>Yuqori qatlamlardagi kaliy miqdori<\/td>\n<td>Ildizlarning qorayishi xavfi<\/td>\n<\/tr>\n<tr>\n<td>0,5% dan ortiq<\/td>\n<td>Minimal<\/td>\n<\/tr>\n<tr>\n<td>0,4\u20130,5%<\/td>\n<td>O&#039;rtacha (yumshoq tozalashni talab qiladi)<\/td>\n<\/tr>\n<tr>\n<td>0.4% dan kam<\/td>\n<td>Yuqori (tez foydalanish tavsiya etiladi)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Pishirgandan keyin qorayish<\/h2>\n<p>Ba&#039;zan kartoshka sog&#039;lom xom ko&#039;rinadi, lekin pishirgandan keyin qorayadi. Bu temir va xlorogen kislota o&#039;rtasidagi kimyoviy reaksiya tufayli yuzaga keladi, u 80\u00b0C dan yuqori haroratda qizdirilganda ajralib chiqadi. Qorong&#039;ilashish darajasi ma&#039;lum bir navdagi xlorogen va limon kislotalarining muvozanatiga bog&#039;liq. Torf tuproqlarida yetishtirilgan kartoshka tuproqning o&#039;ziga xos kimyoviy tarkibi tufayli bu hodisaga ko&#039;proq moyil bo&#039;ladi.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/sadogorodnik.top\/wp-content\/uploads\/2026\/06\/sinie-pyatna-na-kartoshke_6a3d2b414dde4.jpeg\" alt=\"Kartoshka qaynatilgandan keyin qorayadi\"><\/p>\n<h2>Sanoat qayta ishlash xususiyatlari<\/h2>\n<p>Chips yoki kartoshka fri tayyorlashda Maillard reaksiyasi \u2014 shakar va aminokislotalarning o&#039;zaro ta&#039;siri \u2014 asosiy muammo hisoblanadi. Agar kartoshka past haroratda saqlansa, kamaytiruvchi shakar to&#039;planib, qovurilganda qorayish va achchiqlanishga olib keladi.<\/p>\n<h2>TSS<\/h2>\n<ul>\n<li><strong>Qora dog&#039;lar bilan kartoshka yeyish mumkinmi?<\/strong> Mexanik &quot;ko&#039;karishlar&quot; zaharli emas, lekin ular taomning ta&#039;mi va tuzilishiga putur yetkazadi. Shikastlangan qismlarni kesib tashlash yaxshidir.<\/li>\n<li><strong>Tozalangan kartoshkaning jigarrang bo&#039;lib ketishining oldini qanday olish mumkin?<\/strong> To&#039;qimalarga kislorod kirishini cheklash uchun tozalangan ildiz mevalarni sovuq suvda saqlang.<\/li>\n<li><strong>Limon kislotasi pishirishda yordam beradimi?<\/strong> Ha, suvga bir necha tomchi limon kislotasi qo&#039;shish och rangni saqlab qolishga yordam beradi, ammo bu mahsulotning ta&#039;mini biroz o&#039;zgartirishi mumkin.<\/li>\n<li><strong>Kartoshka qoraymasligi uchun uni qanday qilib to&#039;g&#039;ri saqlash kerak?<\/strong> Ehtiyotkorlik bilan tashishni ta&#039;minlang, ildiz mevalarining tushishiga yo&#039;l qo&#039;ymang va barqaror haroratni saqlang (qayta ishlangan navlar uchun taxminan 7-8 \u00b0C).<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>\u041e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u0435 \u0442\u0435\u043c\u043d\u044b\u0445 \u043f\u044f\u0442\u0435\u043d \u043d\u0430 \u043c\u044f\u043a\u043e\u0442\u0438 \u043a\u0430\u0440\u0442\u043e\u0444\u0435\u043b\u044f \u043f\u043e\u0441\u043b\u0435 \u043e\u0447\u0438\u0441\u0442\u043a\u0438 \u2014 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043d\u0430\u044f \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430, \u0441 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0441\u0442\u0430\u043b\u043a\u0438\u0432\u0430\u044e\u0442\u0441\u044f \u043a\u0430\u043a \u0441\u0430\u0434\u043e\u0432\u043e\u0434\u044b, \u0442\u0430\u043a \u0438 \u043f\u043e\u043a\u0443\u043f\u0430\u0442\u0435\u043b\u0438. \u042d\u0442\u0438 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":36699,"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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