ارزش زراعی ژنوتیپ‌های جدیدپنبه از جنبه‌های عملکرد، صفات مورفولوژیک و کیفیت الیاف

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشیار مؤسسه تحقیقات پنبه کشور، سازمان تحقیقات، آموزش و ترویج کشاورزی، گرگان، ایران

2 عضو هیئت علمی مؤسسه تحقیقات پنبه کشور، سازمان تحقیقات، آموزش و ترویج کشاورزی، گرگان، ایران

چکیده

در این آزمایش،8ژنوتیپ‌ پنبه در قالب طرح بلوک‌های کامل تصادفی در ایستگاه تحقیقات پنبه هاشم‌ آباد واقع در یازده کیلومتری شمال غربی شهرستان گرگان به‎مدت یک سال زراعی مورد ارزیابی قرار گرفتند. آزمایش در چهار تکرار با الگوی کاشت 20×80 سانتی‌متر و هرتیمار در چهار خط11 متری کشت گردید. میانگین‌ها با آزمون دانکن در سطح 1% مورد مقایسه قرار گرفتند و همبستگی صفات در ارقام فوق مشخص شد. نتایج حاصل از تجزیه واریانس صفات نشان داد که اختلاف ارقام در صفات عملکرد کل، عملکرد چین اول، تعداد شاخه رویا، وزن غوزه، ارتفاع بوته و عملکرد چین دوم در سطح 1% ودر صفات تعداد شاخه زایا، طول شاخه زایا، طول شاخه رویا و تعداد غوزه در سطح 5% معنی‎داربود.از لحاظ عملکرد وش ژنوتیپ‌های N-200،3259 ،43347وB-557، از لحاظ عملکرد چین اول و زودرسی ژنوتیپ‌های N-200وB-557برتر بودند وژنوتیپ‌های43259، Gukorovaو43347از رشد متعادل‌تر و ارتفاع کمتر نسبت به سایر ژنوتیپ‌هابرخوردار بودند. در این تحقیق اکثر ژنوتیپ‌ها در گروه ارقام زودرس بودند و همبستگی بین عملکرد کل با تعداد غوزه، تعداد شاخه زایا و عملکرد چین اول مثبت و معنی‌دار، ولی با ارتفاع بوته منفی و معنی‌دار بود.

کلیدواژه‌ها

عنوان مقاله [English]

Value for cultivation and use of new cotton genotypes on yield, morphological and fiber quality traits

نویسندگان [English]

  • Omran Alishah 1
  • Hojatolla mahmoojanlou 2
1 Associate Prof., Cotton Research Institute of Iran. Agricultural Research education extension organization (AREEO), Gorgan, Iran
2 Scientific Staff Member, Cotton Research Institute of Iran. Agricultural Research education extension organization, Gorgan, Iran
چکیده [English]

Genotypes 43259, 43347, N-200, Tabladila, Chukrova, B-557, Sepid-2 and Sahel in the form of randomized complete block design (RBCD) in Hashem-Abad Cotton Research Station located in eleven kilometers northwest of the city of Gorgan for a crop year were examined. The experiment in four replications with 20 × 80 cm planting pattern and length eleven meters were planted in four rows. mean Duncan test at level 1% were compared and correlation was found in the above genotypes.The results of variance analysis showed that the genotypes difference on total seed cotton, yield of first picking, the number of monopodia, thirty boll weight, plant height and yield of second picking were significant at 1% and number of sympodia, length of sympodia, length of monopodia and number of bolls is significant at the 5% level. The results of comparison of mean traits showed the N-200,43259, 43347 and B-557 cultivar were superior to other cultivars . In the first picking of seed cotton, results showed that the N-200 and B-557 respectively (2863 and 2725) kg per hectar of seed cotton had the greatest product in first piking. 43259, 43347, Çukurova cultivars have lower height than other varieties.Correlation table showed between first picking of seed cotton and total seed cotton is positive correlation(0.879) and correlation between them was significant at 1%. Between length and number of sympodia was positive correlation and significant at 5%(0.399).

کلیدواژه‌ها [English]

  • Varieties of cotton
  • Value for cultivation and use
  • Early
  • Correlation

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