مقایسه خصوصیات فیزیکوشیمیایی و زمان غده‎‌‎زایی کلون‎‌‎های پیشرفته با رقم‌های تجاری سیب‎‌‎زمینی

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشیار، مؤسسه تحقیقات اصلاح و تهیه نهال و بذر، سازمان تحقیقات، آموزش و ترویج کشاورزی، کرج، ایران ‏

2 دانشیار بخش تحقیقات زراعی و باغی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان اردبیل (مغان)، سازمان تحقیقات، ‏آموزش و ترویج کشاورزی، اردبیل، ایران

3 استادیار، مؤسسه تحقیقات اصلاح و تهیه نهال و بذر، سازمان تحقیقات، آموزش و ترویج کشاورزی، کرج، ایران ‏

چکیده

خصوصیات فیزیکو­شیمیایی 52 کلون پیشرفته سیب­زمینی به همراه چهار رقم آگریا، مارفونا، ساوالان و بورن به عنوان شاهد در قالب طرح لاتیس نامتعادل در سه تکرار و در دو منطقه کرج و اردبیل مورد بررسی قرار گرفتند. نتایج نشان داد واکنش رقم‌ها در مکان­های مختلف متفاوت بود و بین آنها تفاوت وجود داشت. کلون­های شماره 106، 69، 48، 57، 40، 616، 200، 107، 49، 82، 21، 95، 81، 23، 31، 64، 300، 302، 613 و 11 نسبت به دیگر رقم‌ها و کلون­ها برتری داشتند. کلون­های 503، 623، 405 و خصوصاً 82 با توجه به ماده خشک، وزن مخصوص و نشاسته بالا برای فراوری مناسب بودند. بررسی ضرایب همبستگی نشان داد جهت استفاده در انتخاب غیر مستقیم کلون هایی با عملکرد بالا در برنامه های به نژادی، ماده خشک و وزن مخصوص غده بهترین صفات با اعتبار بالا بودند. رقم‌ها و کلون‌های با رنگ گوشت روشن­تر (زرد روشن) عموماً دارای وزن مخصوص و ماده خشک بالاتری بودند. در مجموع غده­های گرد و دارای ماده خشک و وزن مخصوص بالا برای دست­یابی به رقم‌هایی با عملکرد بیشتر در برنامه­های اصلاحی سیب زمینی پیشنهاد می‌شود. ­

کلیدواژه‌ها


عنوان مقاله [English]

The comparison of the physico-chemical properties and tuberization date of advanced ‎clones and commercial potato cultivars

نویسندگان [English]

  • Ahmad Mousapour Gorji 1
  • Davoud Hassanpanah 2
  • Rahim Ahmadvand 3
1 Associate Professor, Seed and Plant Improvement Institute, Agricultural Research, ‎Education and Extension Organization (AREEO), Karaj, Iran
2 Associate Professor, Horticulture Crops Research Department, Ardabil Agricultural and Natural Resources Research Centre, ‎AREEO, Ardabil, Iran
3 Assistant Professor, Seed and Plant Improvement Institute, Agricultural Research, Education and Extension Organization ‎‎(AREEO), Karaj, Iran‎
چکیده [English]

Physico-chemical properties of 52 advanced potato clones alog with four control varieties Agria, Marfona, Savalan and Buren were evaluated in unbalanced lattice design with three replications and in two regions (Karaj & Ardabil). The results showed that the reaction of genotypes was not similar in different places and there was a significant difference among them. Clones 106, 69, 48, 57, 40, 616, 200, 107, 49, 82, 21, 95, 81, 23, 31, 64, 300, 302, 613 and 11 had superiority to other genotypes based on total traits. Clones 503, 623, 405 and specially 82 were suitable for processing because of their high specific gravity, tuber dry matter and starch. Correlation coefficient assessment displayed that for indirect selection of high yield clones in breeding programs, specific gravity and tuber dry matter were the best characters with high validity. Varieties and clones with brighter flesh color (yellow bright) were generally with high specific gravity and tuber dry matter. In general, round tubers with high specific gravity and tuber dry matter are suggested to obtain cultivars with higher yield in potato breeding programs. 

کلیدواژه‌ها [English]

  • Clone
  • correlation coefficient
  • lattice design
  • Quantitative and qualitative traits
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