Soil salinity is a major environmental stress factor that negatively impacts plant growth and development, including the synthesis of photosynthetic pigments necessary for photosynthesis and overall plant metabolism. This study examined the effect of salinity on chlorophyll content in locally bred cotton. The experiment involved medium-fiber Gossypium hirsutum L. (Malvaceae) and 10 cotton varieties, and assessed leaf chlorophyll content under salt (NaCl) stress in a phytotron. The aim of the study was to assess the impact of salinity on total chlorophyll levels. The results showed a significant decrease in chlorophyll levels with increasing salinity. Chlorophyll relative fluorescence units (RFU) gradually decreased, with the greatest decrease observed at the highest salinity levels. The study showed that soil salinity impairs chlorophyll synthesis in cotton, indicating the impact of salt stress on the physiological process of plant photosynthesis. In the studies, the Bukhoro-102, Bukhoro-6, and Namangan-102 cotton varieties demonstrated high tolerance to the relative fluorescence unit (RFU) of chlorophyll in leaves compared to other varieties
| Mualliflar | Ш. О, Кушаков |
|---|---|
| Jurnal | Қўқон ДПИ. Илмий хабарлар |
| Nashr sanasi | 2026-06-27 |
| Jild | 8 |
| Son | 3 |
| Betlar | 690-695 |
| Til | Ingliz |
salt tolerance, salinity, cotton, photosynthesis, phenological, genotypic, chloride salinity, chlorophyll, adaptation
Mazkur maqolada 2017–2021 yillarda O‘zbekiston Respublikasini rivojlantirishning beshta ustuvor yo‘nalishini qamrab olgan Harakatlar strategiyasining mazmuni, maqsadi va ahamiyati tahlil qilinadi. Strategiya doirasida…
Ushbu tadqiqotning maqsadi Tilia cordata Mill. daraxtlarining fenologik bosqichlari va gul biologiyasini o‘rganish, adabiy manbalardagi ma’lumotlar bilan solishtirishdir. Olingan natijalar bizga ushbu turdagi moslashuv…
Taqinchoqlar ham xuddi kiyimlar singari ming yillar mobaynida shakllangan bo‘lib, ularning o‘ziga xosligi milliy xususiyatlar bir xalqning boshqa etnik guruhlari bilan o‘zaro iqtisodiy aloqalari siyosiy tuzumning milliy…
Ushbu maqolada karam (Brassicaceae) barglaridan Xanthomonas oilasiga mansub bakteriya izolyatlari ajratib olingan. Tanlab olingan faol izolyatlar MALDI-TOF usuli yordamida va molekulyar-genetik identifikatsiya qilingan…
Mazkur maqolada o‘zbek va fransuz madaniyatining gender jihatdan tadqiq etish masalalari lingvomadaniy, sotsiolingvistik va diskursiv yondashuv asosida tahlil qilinadi. Tadqiqotda erkak va ayol obrazining til va…
В данной работе рассматриваются способы модификации бентонитовых глин с использованием железосодержащих реагентов. Исследовано влияние ионов железа на структурные, физико-химические и сорбционные свойства бентонита…
This article analyzes the state administration system, hierarchy of titles, and ranks during the Khwarazmshah period (11th–13th centuries), specifically during the reign of Sultan Jaloliddin Manguberdi, based on…
Tuproq sho‘rlanishi qishloq xo‘jaligi mahsuldorligini cheklovchi asosiy abiotik omillardan biri bo‘lib, ayniqsa sug‘oriladigan hududlarda dolzarb muammo hisoblanadi. Zig‘ir (Linum usitatissimum L.) muhim moyli va tolali…
Ushbu maqolada o‘zbek tilining davlat tili sifatida rivojlanish jarayoni tarixiy-genetik yondashuv asosida tahlil qilinadi. Til siyosatining shakllanish bosqichlari, uning tarixiy ildizlari hamda mustaqillik davrida…
Maqolada Tanxozdaryo havzasi va unga yaqin hududlarda flora va o‘simliklar qoplamini o‘rganishga qaratilgan tadqiqotlarning tahlili yoritilgan. Adabiyotlar tahliliga ko‘ra, mazkur hududga yaqin hududlarda ko‘plab…