Evaluation of Genetic Diversity of Some Damask Rose (Rosa damascena Mill.) Genotypes of Kurdistan Province Using Morphological Traits
محورهای موضوعی : مجله گیاهان زینتی
Fardin Nasri
1
(
Department of Horticulture Science, Agricultural Faculty, University of Kurdistan, Sanandaj, Iran.
)
Arsalan Fadakar
2
(
Department of Horticulture Science, Agricultural Faculty, University of Lurestan, Khoramabad, Iran.
)
Bayzid Yousefi
3
(
Department of Horticulture Science, Agricultural Faculty, University of Lurestan, Khoramabad, Iran.
)
Bahman Zahedi
4
(
Department of Horticulture Science, Agricultural Faculty, University of Lurestan, Khoramabad, Iran.
)
کلید واژه: genotype, Flower diameter, Morphologic traits, Number of flower,
چکیده مقاله :
This study was conducted to assessthegenetic variety of 12 damask rosegenotypes of Kurdistan using morphological traits in Zaleh Research Farm affiliated to Kurdistan Province Agriculture Research Center. The experiment was carried out as a randomized complete block design with three replications and each replication included three stocks in each genotype. Results of analysis of variance showed significant differences among the studied genotypes at the probability level of 1%. Results of mean comparison showed a wide variety for studied traits in different genotypes. Relationship between traits showed that the number of flowers, plant height, average width, average length, average number of leaves, mean flower diameter, and petal to flower weight ratio per stem had positive and significant correlation at 1% probability level. Based on cluster analysis, 12 genotypes of damask rose were divided into four distinct groups according to different traits. Thus, according the results, genotypes Kurdistan 3 and Kurdistan 2 can be introduced as superior genotypes. Kurdistan 3 had high yield in flower per hectare and the number of flowers in per bush, and Kurdistan 2 had the highest flower diameter.
این پژوهش به منظور بررسی تنوع ژنتیکی 12 ژنوتیپ گل محمدی کردستان با استفاده ازصفات مرفولوژیکی گل محمدی در مزرعه تحقیقاتی ژاله وابسته به مرکز تحقیقات کشاورزی استان کردستان انجام شد. آزمایش در قالب طرح پایه بلوکهای کامل تصادفی با سه تکرار و در هر تکرار سه پایه از هر ژنوتیپ صورت گرفت. نتایج تجزیه واریانس دادهها نشان داد که بین ژنوتیپهای مورد مطالعه، اختلاف معنیداری در سطح احتمال 1% درصد وجود دارد. نتایج مقایسه میانگین بیانگر تنوع وسیع برای صفات مورد بررسی در ژنوتیپهای مختلف بود. . همبستگی بین صفات نشان داد که صفات تعداد گل، ارتفاع گیاه، متوسط عرض، متوسط طول و متوسط تعداد برگ، میانگین قطر گل و نسبت وزنی گلبرگ به گل با عملکرد گل در پایه دارای همبستگی مثبت و معنیداری در سطح احتمال 1% درصد است. بر اساس نتایج تجزیه خوشهای 12 ژنوتیپ گلمحمدی در چهار گروه مجزا بر اساس صفات متفاوت تقسیم شدند. بنابراین با توجه به نتایج حاصل از آزمایش برای معرفی ژنوتیپ برتر میتوان ژنوتیپهای کردستان3 و کردستان2 را معرفی کرد. ژنوتیپ کردستان3 دارای عملکرد بالای گل در هکتار و تعداد گل بالا در بوته و ژنوتیپ کردستان2 دارای بیشترین قطر گل بوده است.
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