Plant Genetic Researches
پژوهش های ژنتیک گیاهی
pgr
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ارزیابی تحمل به خشکی در ژنوتیپهای گلرنگ (Cartamus tinctorius L.) تحت شرایط
تنش کمآبیاری
Evaluation of Drought Tolerance in Safflower (Carthamus tinctorius L.) Under Water Deficit Stress Conditions
ژنتیک گیاهی
Plant genetics
پژوهشي
Research
<div style="text-align: justify;"><span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;">خشکسالی</span></span></span></span> <span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">یکی</span></span></span></span></span> <span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">از</span></span></span></span></span> <span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">عوامل</span></span></span></span></span> <span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">مهم</span></span></span></span></span> <span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">محدودکننده</span></span></span></span></span> <span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">تولید</span></span></span></span></span> <span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">در</span></span></span></span></span> <span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">جهان</span></span></span></span></span> <span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">است</span></span></span></span></span> <span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">و</span></span></span></span></span> <span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">کاربرد</span></span></span></span></span> <span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">روشهای</span></span></span></span></span> <span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">بهنژادی</span></span></span></span></span> <span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">یک</span></span></span></span></span> <span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">راهکار</span></span></span></span></span> <span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">اساسی</span></span></span></span></span> <span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">در</span></span></span></span></span> <span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">تولید ارقام</span></span></span></span></span> <span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">متحمل</span></span></span></span></span> <span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">و</span></span></span></span></span> <span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">سازگار</span></span></span></span></span> <span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">به</span></span></span></span></span> <span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">تنش خشکی</span></span></span></span></span> <span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">میباشد</span><span dir="LTR" style="background:white;"><span style="color:#333333;"><span style="font-family:iransanslight,serif;"><span style="font-size:10.5pt;">.</span></span></span></span></span></span></span></span> <span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">بهمنظور بررسی و تعیین مؤثرترین شاخصهای تحمل به تنش و شناسایی ژنوتیپهای متحمل به تنش خشکی،</span> </span></span></span></span><span dir="LTR" style="background:white;"><span style="color:#333333;"><span style="font-family:iransanslight,serif;"><span style="font-size:10.5pt;"><span style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">15</span> <span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;">ژنوتیپ گلرنگ، در قالب طرح بلوکهای کامل تصادفی با سه تکرار در دو شرایط (تنش کمآبیاری و بدون تنش)، مورد ارزیابی قرار گرفتند. نتایج تجزیه واریانس نشان داد که اختلاف معنیداری بین ژنوتیپها از نظر صفات مورد مطالعه، شاخصهای مقاومت به تنش و نیز عملکرد در دو شرایط محیطی تنش و بدون تنش وجود دارد</span></span></span></span><span dir="LTR" style="background:white;"><span style="color:#333333;"><span style="font-family:iransanslight,serif;"><span style="font-size:10.5pt;">.</span></span></span></span></span></span></span></span> <span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">همبستگی مثبت و معنیداری بین عملکرد دانه در شرایط تنش با شاخص تحمل تنش میانگین هارمونیک و شاخص میانگین هندسی بهرهوری برآورد شد و نشان داد که این شاخصها برای تعیین ژنوتیپهای متحمل به خشکی مناسب میباشند. بین شاخصهای حساسیت به تنش و شاخص تحمل با</span> </span></span></span></span><span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">عملکرد دانه در شرایط تنش</span> </span></span></span></span><span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">هیچ رابطه معنیداری</span> </span></span></span></span><span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">دیده نشد، بنابراین این شاخصها برای شناسایی ژنوتیپهای متحمل به خشکی مناسب نبودند. در مجموع با استفاده از نمودار پراکنش سهبعدی، تجزیه به مؤلفههای اصلی</span></span></span></span></span> <span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">و</span> <span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">تجزیه بایپلات، دو ژنوتیپ </span></span></span></span></span><span font-size:="" new="" style="font-family: " times="">6</span><font face="b lotus"><span style="font-size: 16px;"> (</span></font><em><span style="font-family:times new roman,serif;"><span style="font-size:10.0pt;">Syrian</span></span></em><font face="b lotus"><span style="font-size: 16px;">) و</span></font> <span style="font-family:times new roman,serif;"><span style="font-size:10.0pt;">8</span></span><font face="b lotus"><span style="font-size: 16px;"> (</span></font><em><span style="font-family:times new roman,serif;"><span style="font-size:10.0pt;">Kino-76</span></span></em><font face="b lotus"><span style="font-size: 16px;">)</span></font><span dir="LTR" style="background:white;"><span style="color:#333333;"><span style="font-family:iransanslight,serif;"><span b="" style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;"> </span></span></span></span><span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;"><span style="font-variant-ligatures:normal;font-variant-caps:normal;orphans:2;widows:2;-webkit-text-stroke-width:0px;text-decoration-style:initial;word-spacing:0px;">بهعنوان متحملترین ژنوتیپها برای شرایط تنش خشکی و پر عملکردترین</span> <span style="background:white;"><span style="color:#333333;"><span style="font-family:b lotus;"><span style="font-size:10.5pt;">ژنوتیپها برای شرایط بدون تنش انتخاب شدند</span></span></span></span><span dir="LTR" style="background:white;"><span style="color:#333333;"><span style="font-family:iransanslight,serif;"><span style="font-size:10.5pt;">.</span></span></span></span></span></span></span></span><span dir="LTR"></span></div>
Drought is a threaded factor in the world production and application of breeding methods could improve the tolerant and adapted cultivators under drought stress condition. In order to evaluate and determine the stress tolerance indices and identifion of tolerant genotypes to drought stress, 15 safflower genotypes were evaluated in a randomized complete block design with three replications in two conditions (stress and non-stress). Analysis of variance showed significant differences among genotypes for all traits, stress tolerance indices and yield in both conditions. Significant positive correlation was found between grain yield in the stress condition with indicators stress tolerance index, harmonic mean and geometric mean productivity indicating that these indices are suitable criteria for screening drought tolerant genotypes. No significant correlation was observed between Ys with tolerance index and mean productivity, hence they can be discarded as the desirable markers for identifying drought tolerant genotypes. In conclusion, using a graphical approach of three dimensional scatter plots, Principal component analysis and biplot analysis, two tolerant genotype (<em>Syrian</em> and <em>Kino-76</em>) were selected for future programs in stress and non-stress condition.<br>
تجزیه بایپلات, تجزیه به مؤلفههای اصلی, شاخص تحمل تنش, گلرنگ
Biplot analysis, Principal component analysis, Stress tolerance index, Safflower
55
72
http://pgr.lu.ac.ir/browse.php?a_code=A-10-1-2&slc_lang=fa&sid=1
Seyedeh Zahra
Hosseini
سیده زهرا
حسینی
10031947532846001249
10031947532846001249
No
Department of Agronomy and Plant Breeding, Faculty of Agriculture, Lorestan University
گروه زراعت و اصلاحنباتات، دانشکده کشاورزی، دانشگاه لرستان
Ahmad
Ismaili
احمد
اسماعیلی
ismaili.a@lu.ac.ir
10031947532846001250
10031947532846001250
Yes
Department of Agronomy and Plant Breeding, Faculty of Agriculture, Lorestan University, Khorramabad, Iran
گروه زراعت و اصلاحنباتات، دانشکده کشاورزی، دانشگاه لرستان
Seyed Sajad
Sohrabi
سید سجاد
سهرابی
sohrabi.sa@fa.lu.ac.ir
10031947532846001251
10031947532846001251
No
Department of Agronomy and Plant Breeding, Faculty of Agriculture, Lorestan University
گروه زراعت و اصلاحنباتات، دانشکده کشاورزی، دانشگاه لرستان