{"id":60366,"date":"2026-06-30T08:02:22","date_gmt":"2026-06-30T05:02:22","guid":{"rendered":"https:\/\/sadogorodnik.top\/?p=60366"},"modified":"2026-06-30T08:02:22","modified_gmt":"2026-06-30T05:02:22","slug":"prichiny-pozhelteniya-konchikov-luka-i-sposoby-resheniya-problemy","status":"publish","type":"post","link":"https:\/\/sadogorodnik.top\/uz\/prichiny-pozhelteniya-konchikov-luka-i-sposoby-resheniya-problemy\/","title":{"rendered":"Piyozning sarg'ayishining sabablari va maslahatlari"},"content":{"rendered":"

Piyoz barglarining sarg'ayishi ko'pincha yomon qishloq xo'jaligi amaliyoti yoki kasallik boshlanishining birinchi belgisi bo'lib, darhol aralashuvni talab qiladi. Barglarning rangsizlanishining sabablarini tushunish hosilni parvarish qilish va saqlab qolish uchun o'z vaqtida tuzatishlar kiritish imkonini beradi. Ushbu belgilarga e'tibor bermaslik piyozlarning qishda bozor ko'rinishini yo'qotishiga va saqlash sifatining yomonlashishiga olib keladi. Tashxis qo'yishning amaliy yondashuvi tabiiy pishishni jiddiy zararkunandalar hujumidan ajratishga yordam beradi.<\/p>\n

Piyoz sarg'ayishi tabiiy jarayon bo'lganda<\/h2>\n

Yoz mavsumining oxiriga kelib, odatda iyul yoki avgust oylarida piyoz uyquga tayyorlana boshlaydi. Barglar asta-sekin turgorini yo'qotadi, sarg'ayadi va yerga tushadi, bu esa himoya pullari hosil bo'lishining normal bosqichidir.<\/p>\n

Bu davrda o'simlik barcha to'plangan ozuqa moddalarini yashil qismdan piyozchaga yo'naltiradi. Agar siz piyoz bo'yni yumshoqlashib, uchlari sarg'ayganini sezsangiz, bu vegetatsiya davri tugaganining belgisidir.<\/p>\n

Bu vaqtda sug'orishni davom ettirish xato, chunki ortiqcha namlik taglikning chirishiga olib kelishi mumkin. Piyozlarning qurib, mustahkam qobiq hosil qilishi uchun hosil yig'im-terimidan uch hafta oldin sug'orishni to'xtating.<\/p>\n

Sarg'ishlikning sababi sifatida azot yetishmasligi<\/h2>\n

Bahor va yozning boshida piyoz barglarni faol o'stirish uchun ko'p miqdorda azotga muhtoj. Agar tuproq kambag'al bo'lsa yoki ozuqa moddalari yog'ingarchilik bilan yuvilib ketsa, barglarning uchlari ochilib, sarg'aya boshlaydi.<\/p>\n

Azot yetishmasligining belgisi patlarning bir tekis oqarib ketishi bo'lib, ular ingichka va zaiflashadi. Sariqlik yuqoridan pastgacha tarqalib, butun barg yuzasiga ta'sir qiladi.<\/p>\n

Buni tuzatish uchun karbamid yoki ammoniy nitrat kabi tayyor azotli o'g'itlarni qo'llang. Ozuqa moddalarining ildizlarga yetib borishini ta'minlash uchun o'g'itlashdan keyin to'shakni yaxshilab sug'orib turing.<\/p>\n

Sug'orish rejimini buzish<\/h2>\n

Piyoz tuproqning qurib ketishiga juda sezgir, chunki ularning ildiz tizimi tuproqning yuqori qatlamida joylashgan. Agar suv yetarli bo'lmasa, barglarning uchlari qurib, jingalak bo'lib, jigarrang rangga aylanadi.<\/p>\n

Optimal namlik darajasi 3-4 sm chuqurlikdagi doimiy tuproq namligidir. Agar tuproq teginish uchun quruq bo'lsa, o'simlikda fotosintezni qo'llab-quvvatlash uchun yetarli suv bo'lmaydi.<\/p>\n

Haftada bir yoki ikki marta chuqur sug'orish tavsiya etiladi, har kvadrat metrga taxminan 25 litr suv sarflanadi. Bu usul ildizlarga yetib bormaydigan kundalik sirtga purkashdan ko'ra samaraliroq.<\/p>\n

\"Nima<\/p>\n

Piyozning qo'ziqorin kasalliklari<\/h2>\n

Turli zamburug'lar piyozga hujum qilishi mumkin, bu nafaqat sarg'ayishga, balki to'qimalarning chirishiga ham olib keladi. Botritis vaqt o'tishi bilan yorilib ketadigan oq dog'lar sifatida paydo bo'ladi, fusarium esa ildizlarga zarar yetkazadi.<\/p>\n

Fusarium so'lishi piyozning yumshoq bo'lishiga va ildizlarning pushti rangga kirishiga olib keladi. Bu o'simliklar uchun hech qanday davo yo'q, shuning uchun ularni darhol bog'dan olib tashlash va yo'q qilish kerak.<\/p>\n

Zamburug'li infektsiyalarning oldini olish uchun almashlab ekishni qo'llang: piyozni kamida 3-4 yil davomida asl joyiga qaytarmang. Shuningdek, yaxshi shamollatishni ta'minlash va ortiqcha gavjumlikdan saqlanish muhimdir.<\/p>\n

\"Mavsum\"Botrytis<\/p>\n

Virusli infeksiyalar va ularning belgilari<\/h2>\n

Piyoz sariq stoun virusi ekish materiallari yoki zararkunanda hasharotlar orqali yuqadi. Asosiy alomatlar sariq chiziqlar, barglarning jingalaklanishi va umumiy stounlikni o'z ichiga oladi.<\/p>\n

Kasal o'simliklar butun bog 'yotog'i uchun infektsiya manbaiga aylanadi va ularni darhol olib tashlash kerak. Virusli kasalliklarni davolashning samarali usullari yo'q, shuning uchun asosiy e'tibor profilaktikaga qaratilgan.<\/p>\n

Faqat tasdiqlangan urug'li piyozdan foydalaning va virusning asosiy tashuvchisi bo'lgan bitlarni o'z vaqtida yo'q qiling. Yuqori sifatli urug'lar virusli infeksiyalarga qarshi kurashda muvaffaqiyat kalitidir.<\/p>\n

\"Mog'orlangan<\/p>\n

Tuk va piyozga zarar yetkazadigan zararkunandalar<\/h2>\n

Piyoz pashshalari, tripslar va piyoz begona o'tlari ekinlarni tezda yo'q qilishi mumkin. Piyoz pashshalari lichinkalari piyozning tagini yeb qo'yadi, natijada barglar bir necha kun ichida sarg'ayadi va so'lib qoladi.<\/p>\n

Trips kuya barglarda o'ziga xos oq rangli bo'ylama chiziqlar qoldiradi, ular oxir-oqibat dog'larga aylanadi. Qatorlar orasini muntazam ravishda shudgorlash zararkunandalarning tunnellarini yo'q qilishga va ularning rivojlanishiga to'sqinlik qilishga yordam beradi.<\/p>\n

Piyoz pashshalaridan himoya qilish uchun hasharotlarning faol parvoz davrida qoplama materiallaridan foydalanishingiz mumkin. Kuzda o'simlik qoldiqlarini yaxshilab tozalash zararkunandalarni qishlash joylaridan mahrum qiladi.<\/p>\n

\"Sariq\"Agar\"Barg<\/p>\n

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

Nima uchun bargning faqat uchi sarg'ayadi?<\/h3>\n

Bu ko'pincha namlik yoki azot yetishmasligining belgisidir. Agar bu mavsum boshida sodir bo'lsa, sug'orishni ko'paytirishga va azotli o'g'it qo'llashga harakat qiling.<\/p>\n

Agar piyoz nematodlar tomonidan shikastlangan bo'lsa, uni saqlab qolish mumkinmi?<\/h3>\n

Kasallangan o'simliklarni davolash mumkin emas. Eng yaxshi nazorat usuli - almashlab ekish va sog'lom ekish materialidan foydalanish.<\/p>\n

Pishib yetilishdan kasallikni qanday ajratish mumkin?<\/h3>\n

Patlar yetilishi bilan ular sarg'ayadi va ommaviy ravishda tushadi, bo'yin esa yumshoq bo'ladi. Kasalliklar ko'pincha taglikda dog'lar, blyashka yoki chirish shaklida namoyon bo'ladi.<\/p>","protected":false},"excerpt":{"rendered":"

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