fa غربالگری نتاج حاصل از تلاقی برخی ارقام دانه‌‌دار و بی‌‌دانه انگور به‌منظور شناسایی نژادگان‌‌‌های بی‌‌دانه برتر به‌نژادی گیاهان باغبانی Horticultural plant breeding پژوهشي Research <div style="text-align: justify;"><span dir="RTL" lang="FA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:">برنامه به‌نژادی انگور در پردیس کشاورزی و منابع طبیعی دانشگاه تهران در سال 1375 با تلاقی هفت رقم والد مادری دانه‌‌دار (موسکات سیاه، تبرزه، دیزماری، الحقی، قزل اوزوم، رجبی سفید و علی بابا</span></span><span dir="RTL" lang="AR-SA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:">) </span></span><span dir="RTL" lang="FA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:">و چهار رقم والد پدری بی‌‌دانه از ارقام داخلی </span></span><span dir="RTL" lang="AR-SA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:">(بی‌‌دانه سفید، بی‌‌دانه قرمز، یاقوتی و عسکری)</span></span> <span dir="RTL" lang="FA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:">آغاز شد و در سال‌‌های 1398 و 1399 به‌ترتیب 223 و 276 نژادگان‌ از آن با تربیت بوته‌‌ای (خزنده) مورد ارزیابی صفات کمی و کیفی قرار گرفتند. </span></span><span dir="RTL" lang="AR-SA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:">زمان گلدهی و صفات مربوط به میوه و بذر اندازه‌‌گیری و ثبت شد. </span></span><span dir="RTL" lang="FA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:">براساس نتایج، بیشترین درصد ضریب تنوع در تعداد بذور شناور و ته نشین شده یک حبه، رنگ و وزن خشک یک حبه، وزن خوشه و کمترین ضریب تنوع مربوط به </span></span><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times="">pH</span></span><span dir="RTL" lang="FA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:"> عصاره میوه و عرض حبه بود. بین صفت حبه با شاخص دانه‌‌داری همبستگی مثبت وجود داشت. میزان بی‌‌دانگی در سال اول 93/17 % و در سال دوم 05/9 % بود و وزن تر بذر یک حبه در کلاس‌‌های بی‌‌دانه، تا حدی بی‌‌دانه، تا حدی دانه‌‌دار و دانه‌‌دار در سال دوم به‌ترتیب 02/0، 05/0، 07/0 و 1/0 ثبت شد. </span></span><span dir="RTL" lang="AR-SA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:">در مقایسه با والدین پدری و گروه شاهد و با توجه </span></span><span dir="RTL" lang="FA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:">به </span></span><span dir="RTL" lang="AR-SA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:">وزن و اندازه حبه و صفت بی‌‌دانگی در سال 1398 نژادگان‌‌‌های </span></span><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times="">G135 </span></span><span dir="RTL" lang="AR-SA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:">،</span></span><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times="">H126 </span></span><span dir="RTL" lang="AR-SA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:">،</span></span><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times="">H139 </span></span><span dir="RTL" lang="AR-SA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:">،</span></span><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times="">H171</span></span> <span dir="RTL" lang="AR-SA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:">و در سال 1399 نژادگان‌‌‌های </span></span><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times="">B60 </span></span><span dir="RTL" lang="AR-SA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:">،</span></span><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times="">D66 </span></span><span dir="RTL" lang="AR-SA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:">،</span></span><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times="">H124 </span></span><span dir="RTL" lang="AR-SA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:">،</span></span><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times="">H139</span></span><span dir="RTL" lang="AR-SA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:"> برتر ارزیابی شدند. همچنین</span></span> <span dir="RTL" lang="FA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:">در این پژوهش</span></span> <span dir="RTL" lang="AR-SA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:">نژادگان‌‌‌های نسبتاً بی‌‌دانه </span></span><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times="">E147 </span></span><span dir="RTL" lang="AR-SA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:">،</span></span><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times="">G110 </span></span><span dir="RTL" lang="AR-SA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:">،</span></span><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times="">C88 </span></span><span dir="RTL" lang="AR-SA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:">،</span></span><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times="">I67 </span></span><span dir="RTL" lang="AR-SA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:">،</span></span><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times="">F125 </span></span><span dir="RTL" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:">&nbsp;با توجه </span></span><span dir="RTL" lang="AR-SA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:">به صفات مطلوب به عنوان نژادگان‌‌‌های برتر انتخاب شدند</span></span><span dir="RTL" lang="FA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:">. در نهایت </span></span><span dir="RTL" lang="AR-SA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:">نژادگان‌‌‌های بی‌‌دانه </span></span><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times="">H139</span></span><span dir="RTL" lang="FA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:"> با وزن حبه 6/2 گرم و </span></span><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times="">D66</span></span><span dir="RTL" lang="FA" style="font-size:12.0pt"><span b="" nazanin="" style="font-family:"> با وزن حبه 3/3 گرم برای مطالعه بیشتر و معرفی به عنوان ارقام جدید توصیه می‌‌شوند.</span></span></div> <div style="text-align: justify;"><span style="font-size:10pt"><span style="tab-stops:14.2pt"><span style="unicode-bidi:embed"><span new="" roman="" style="font-family:" times=""><span style="font-size:12.0pt">Breeding program carried out in Horticultural Research Station of the University of Tehran in 1996 with crossing of seven good quality seeded grape cultivars as female parents (Muscat </span><span style="font-size:12.0pt">Siah</span><span style="font-size:12.0pt">, Tabraze, Dizmari, Alhaghi, Ghezelozum, Rajabi Sefid, Alibaba) and four seedless grapes as male parents (</span><span style="font-size:12.0pt">Bidane Sefid, Bidane Ghermez</span><span style="font-size:12.0pt">, </span><span style="font-size:12.0pt">Yaghouti</span><span style="font-size:12.0pt">, Askari). 223 and 276 genotypes of that crossing respectively in 2019 and 2020 with bush training were evaluated for their quantitative and qualitative traits. Blooming date and fruit and seed traits were measured and recorded. Based on the results, the highest percentage of coefficient variation was in the number of floating and sink seeds of a berry, berry color, and dry weight of seeds per berry, cluster weight, while the lowest coefficient of variation was obtained for pH juice </span><span style="font-size:12.0pt">and berry width</span><span style="font-size:12.0pt">. There was a positive correlation between berry traits and seed index. The seedless progenies were 17.93% in the first year and </span><span style="font-size:12.0pt">9.05</span><span style="font-size:12.0pt">% in the second year. Fresh weight of seeds in a berry in classes of seedless, semi-seedless, semi-seeded and seeded were recorded </span><span style="font-size:12.0pt">0.02</span><span style="font-size:12.0pt">, 0.05, </span><span style="font-size:12.0pt">0.07</span><span style="font-size:12.0pt"> and </span><span style="font-size:12.0pt">0.1</span><span style="font-size:12.0pt"> g respectively. In comparative with male parents and control groups, seedless genotypes of G135, H126, H139, H171 in 2019 and B60, D66, H124, H139 in 2020, were recognized as superior genotypes. As well as, among semi-seedless genotypes, E147, G110, C88, I67, F125 were selected as superior due to their traits. Finally, the best selected seedless genotypes of H139 with a berry weight of </span><span style="font-size:12.0pt">2.6</span><span style="font-size:12.0pt"> g and D66 with a berry weight of </span><span style="font-size:12.0pt">3.3</span><span style="font-size:12.0pt"> g which are highly recommended for further studies to be released as new cultivars. </span><span style="font-size:12.0pt"></span></span></span></span></span></div> به‌نژادی انگور, بی‌‌دانگی, وزن حبه, وزن بذر, نژادگان‌‌‌های برتر Grape breeding, Seedlessness, Berry weight, Seed weight, superior genotypes 625 648 http://journal-irshs.ir/browse.php?a_code=A-10-906-1&slc_lang=fa&sid=1 Atefeh Asakereh عاطفه عساکره atefeh.asakereh@ut.ac.ir 10031947532846009082 10031947532846009082 No University of Tehran دانشگاه تهران Ali Ebadi علی عبادی aebadi@ut.ac.ir 10031947532846009083 10031947532846009083 Yes University of Tehran دانشگاه تهران Mohammad Reza Fattahi Moghaddam محمدرضا فتاحی مقدم fattahi@ut.ac.ir 10031947532846009084 10031947532846009084 No University of Tehran دانشگاه تهران Mohammad Reza Bihamta محمدرضا بی همتا mrghanad@ut.ac.ir 10031947532846009085 10031947532846009085 No University of Tehran دانشگاه تهران