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قاسمی بزدی, کمال, قربانی نصرآباد, قربان, فغانی, الهام, حسین پور, جعفر, آرخی, اسحاق. (1403). ارزیابی تاثیر تنظیم کننده‌های رشد مختلف بر عملکرد و صفات مورفولوژیکی سه رقم پنبه آپلند (Gossypium hirsutum L.). سامانه مدیریت نشریات علمی, 12(1), 83-100. doi: 10.22092/ijcr.2024.367049.1227
کمال قاسمی بزدی; قربان قربانی نصرآباد; الهام فغانی; جعفر حسین پور; اسحاق آرخی. "ارزیابی تاثیر تنظیم کننده‌های رشد مختلف بر عملکرد و صفات مورفولوژیکی سه رقم پنبه آپلند (Gossypium hirsutum L.)". سامانه مدیریت نشریات علمی, 12, 1, 1403, 83-100. doi: 10.22092/ijcr.2024.367049.1227
قاسمی بزدی, کمال, قربانی نصرآباد, قربان, فغانی, الهام, حسین پور, جعفر, آرخی, اسحاق. (1403). 'ارزیابی تاثیر تنظیم کننده‌های رشد مختلف بر عملکرد و صفات مورفولوژیکی سه رقم پنبه آپلند (Gossypium hirsutum L.)', سامانه مدیریت نشریات علمی, 12(1), pp. 83-100. doi: 10.22092/ijcr.2024.367049.1227
قاسمی بزدی, کمال, قربانی نصرآباد, قربان, فغانی, الهام, حسین پور, جعفر, آرخی, اسحاق. ارزیابی تاثیر تنظیم کننده‌های رشد مختلف بر عملکرد و صفات مورفولوژیکی سه رقم پنبه آپلند (Gossypium hirsutum L.). سامانه مدیریت نشریات علمی, 1403; 12(1): 83-100. doi: 10.22092/ijcr.2024.367049.1227

ارزیابی تاثیر تنظیم کننده‌های رشد مختلف بر عملکرد و صفات مورفولوژیکی سه رقم پنبه آپلند (Gossypium hirsutum L.)

پژوهش های پنبه ایران
دوره 12، شماره 1 - شماره پیاپی 20، شهریور 1403، صفحه 83-100    اصل مقاله (658.84 K)
نوع مقاله: مقاله پژوهشی
شناسه دیجیتال (DOI): 10.22092/ijcr.2024.367049.1227
نویسندگان
کمال قاسمی بزدی* 1؛ قربان قربانی نصرآباد2؛ الهام فغانی3؛ جعفر حسین پور4؛ اسحاق آرخی5
1دانشیار، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی خراسان رضوی، مشهد، ایران.
2استادیار، سازمان تحقیقات، آموزش و ترویج کشاورزی، موسسه تحقیقات پنبه کشور، گرگان، ایران.
3استادیار موسسه تحقیقات پنبه کشور، سازمان تحقیقات، آموزش و ترویج کشاورزی، گرگان، ایران
4کارشناس پنبه، سازمان تحقیقات، آموزش و ترویج کشاورزی، موسسه تحقیقات پنبه کشور، گرگان، ایران.
5دکتری تخصصی زراعت، گرگان، ایران.
چکیده
با هدف ارزیابی تاثیر تنظیم‌کننده‌های رشد بر خصوصیات ارقام پنبه، پژوهشی به‌صورت آزمایش فاکتوریل در قالب طرح بلوک‌های کامل تصادفی در ایستگاه تحقیقات پنبه هاشم‌آباد گرگان طی سال‎های 1395 و 1396 انجام شد. فاکتورهای مورد بررسی شامل تنظیم‌کننده‎های رشد بنزیل‎آدنین، آبسزیک‎اسید، سالیسیلیک‎اسید، براسینواستروئید و سایکوسل و ارقام پنبه گلستان، کاشمر و شایان بودند. عملکرد و برخی پارامترهای مورفولوژیکی به‌طور معنی‌داری تحت تأثیر تنظیم‎کننده‎های رشد قرار گرفتند. رقم گلستان بالاترین تعداد غوزه، عملکرد وش و درصد کیل الیاف و رقم کاشمر بیشترین ارتفاع بوته و زودرسی را داشتند. تنظیم‌کننده‌ها تاثیرات متفاوتی بر ارتفاع بوته گذاشتند، بنزیل‎آدنین و براسینواستروئید باعث افزایش ولی سایکوسل و آبسزیک‎اسید سبب کاهش ارتفاع شدند. بنزیل‎آدنین افزایش 5/9 درصدی و آبسزیک‎اسید کاهش 5/18 درصدی در ارتفاع را باعث شدند. با وجود اینکه تعداد گل، در همه تیمارها بالاتر از شاهد بود، اما بیشترین تعداد گل به تیمار سایکوسل و سالیسیلیک‎اسید با افزایش 40 درصد اختصاص یافت. سایکوسل تعداد غوزه را 5/7 درصد افزایش داد ولی سالیسیلیک‎اسید، بنزیل‎آدنین و آبسزیک‎اسید به‎ترتیب سبب کاهش 8/4، 9 و 25 درصد در تعداد غوزه شدند. بیشترین عملکرد وش (2569 کیلوگرم در هکتار) از تیمار سایکوسل به‎دست آمد و براسینواستروئید و بنزیل‎آدنین نیز عملکرد بیشتری نسبت به شاهد داشتند اما آبسزیک‎اسید عملکرد را 3/5 درصد کاهش داد. بیشترین زودرسی (6/83 درصد) مربوط به سایکوسل بود ولی بنزیل‌آدنین، سالیسیلیک‎اسید و براسینواستروئید زودرسی ارقام را کاهش دادند. درصد کیل تحت تأثیر رقم قرار گرفت اما اثر تنظیم‌کننده‌های رشد بر درصد کیل معنی‌دار نبود و این مسئله می‎تواند نشان‎دهنده وابستگی این صفت به ژنوتیپ باشد. در مجموع، محلول‌پاشی با تنظیم‎کننده‎های رشد به‌خصوص سایکوسل باعث افزایش معنی‌داری در عملکرد و صفات مورفولوژیکی ارقام پنبه گردیدند.
کلیدواژه‌ها
پنبه؛ درصد کیل؛ رقم گلستان؛ زودرسی؛ سایکوسل
عنوان مقاله [English]
Evaluating the Effect of Different Growth Regulators on Yield and Morphological Traits of Three Upland (Gossypium hirsutum L.) Cotton Cultivars
نویسندگان [English]
Kamal Ghasemi Bezdi1؛ Gorban Ghorbani Nasrabad2؛ Elham Faghani3؛ Jafar Hosseinpoor4؛ Eshagh Arekhi5
1Associate Professor,, Agricultural Research, Education and Extension Organization (AREEO), Agricultural and Natural Resources Research and Education Center of Khorasan Razavi,, Mashhad, Iran.
2Assistant Professor, Cotton Research Institute of Iran, Agricultural Research, Education and Extension Organization (AREEO), Gorgan, Iran.
3Assistant Professor, Cotton Research Institute of Iran, Agricultural Research, Education and Extension Organization (AREEO), Gorgan, Iran.
4Cotton expert, Cotton Research Institute of Iran, Agricultural Research, Education and Extension Organization (AREEO), Gorgan, Iran.
5PhD of Agronomy, Gorgan, Iran.
چکیده [English]
Background and Objective: Plant growth regulation plays a pivotal role in influencing morphological and physiological traits that directly impact plant growth, reproduction, and yield. Growth regulators achieve these effects by inducing metabolic activities within plant cells. This study aimed to evaluate the effects of different growth regulators on the growth and yield characteristics of various cotton genotypes.
 
Materials and Methods: A factorial experiment was conducted in a randomized complete block design at the Hashemabad Cotton Research Station, Gorgan, during 2016 and 2017. The experimental factors included five growth regulators benzyl adenine, abscisic acid, salicylic acid, brassinosteroids, and Cycocel and three cotton cultivars: Golestan, Kashmar, and Shayan.
 
Results: Yield and several morphological parameters were significantly influenced by the growth regulators. Among the cultivars, Golestan exhibited the highest boll number, yield, and lint percentage, whereas Kashmar was characterized by the tallest plants and the most rapid maturity. Growth regulators showed differential effects on plant height: benzyl adenine and brassinosteroids increased height by 9.5%, while Cycocel and abscisic acid reduced height by up to 18.5%. All treatments increased the number of flowers compared to the control, with Cycocel and salicylic acid resulting in the highest flower numbers, an increase of 40%. Cycocel enhanced boll number by 7.5%, while salicylic acid, benzyl adenine, and abscisic acid decreased it by 4.8%, 9%, and 25%, respectively. The highest yield (2569 kg/ha) was observed with Cycocel treatment, followed by brassinosteroids and benzyl adenine, which also improved yield relative to the control. In contrast, abscisic acid reduced yield by 5.3%. Cycocel promoted early maturity, achieving 83.6%, while benzyl adenine, salicylic acid, and brassinosteroids delayed maturity. Although lint percentage was influenced by genotype, it was not significantly affected by growth regulators, suggesting its strong genetic dependence. Overall, foliar application of growth regulators, particularly Cycocel, significantly enhanced the yield and morphological traits of cotton cultivars.
 
Conclusion: Cycocel application increased flower and boll numbers on cotton branches, thereby improving yield. Additionally, Cycocel positively influenced early maturity, making it a promising growth regulator for optimizing cotton productivity and phenological traits.
کلیدواژه‌ها [English]
Cotton, Cycocel, Early maturity, Golestan cultivar, Lint percentage
اصل مقاله

Background and Objective: Plant growth regulation plays a pivotal role in influencing morphological and physiological traits that directly impact plant growth, reproduction, and yield. Growth regulators achieve these effects by inducing metabolic activities within plant cells. This study aimed to evaluate the effects of different growth regulators on the growth and yield characteristics of various cotton genotypes.

 

Materials and Methods: A factorial experiment was conducted in a randomized complete block design at the Hashemabad Cotton Research Station, Gorgan, during 2016 and 2017. The experimental factors included five growth regulators benzyl adenine, abscisic acid, salicylic acid, brassinosteroids, and Cycocel and three cotton cultivars: Golestan, Kashmar, and Shayan.

 

Results: Yield and several morphological parameters were significantly influenced by the growth regulators. Among the cultivars, Golestan exhibited the highest boll number, yield, and lint percentage, whereas Kashmar was characterized by the tallest plants and the most rapid maturity. Growth regulators showed differential effects on plant height: benzyl adenine and brassinosteroids increased height by 9.5%, while Cycocel and abscisic acid reduced height by up to 18.5%. All treatments increased the number of flowers compared to the control, with Cycocel and salicylic acid resulting in the highest flower numbers, an increase of 40%. Cycocel enhanced boll number by 7.5%, while salicylic acid, benzyl adenine, and abscisic acid decreased it by 4.8%, 9%, and 25%, respectively. The highest yield (2569 kg/ha) was observed with Cycocel treatment, followed by brassinosteroids and benzyl adenine, which also improved yield relative to the control. In contrast, abscisic acid reduced yield by 5.3%. Cycocel promoted early maturity, achieving 83.6%, while benzyl adenine, salicylic acid, and brassinosteroids delayed maturity. Although lint percentage was influenced by genotype, it was not significantly affected by growth regulators, suggesting its strong genetic dependence. Overall, foliar application of growth regulators, particularly Cycocel, significantly enhanced the yield and morphological traits of cotton cultivars.

 

Conclusion: Cycocel application increased flower and boll numbers on cotton branches, thereby improving yield. Additionally, Cycocel positively influenced early maturity, making it a promising growth regulator for optimizing cotton productivity and phenological traits.
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آمار
تعداد مشاهده مقاله: 170
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سامانه مدیریت نشریات علمی. طراحی و پیاده سازی از سیناوب