تأثیر محلول پاشی و پرایمینگ بذر با محرک های رشد بر عملکرد و میزان روغن دانه کتان Linum usitatissimum L

نوع مقاله : علمی پژوهشی

نویسندگان

1 دانشیار گروه زراعت و آگرواکولوژی، واحد ارومیه، دانشگاه آزاد اسلامی، ارومیه، ایران

2 دانشجوی کارشناسی ارشد گروه زراعت، واحد مهاباد، دانشگاه آزاد اسلامی، مهاباد، ایران

چکیده

تأثیر محلول­ پاشی و پرایمینگ بذر با محرک ­های رشد بر عملکرد و میزان روغن دانه کتان، طی آزمایشی در سال 1393 در ایستگاه ساعتلوی مرکز تحقیقات کشاورزی و منابع طبیعی استان آذربایجان ­غربی به صورت فاکتوریل در قالب طرح بلوک ­های کامل تصادفی در سه تکرار بررسی شد. فاکتور اول شامل دو رقم کتان زرد گل ­سفید و قهوه­ ای گل ­بنفش، فاکتور دوم شامل پرایمینگ بذر (شاهد، هیدروپرایمینگ و پرایمینگ با محرک رشد اکسین + جیبرلین) و فاکتور سوم شامل محلول ­پاشی مواد محرک رشد (شاهد، اکسین و جیبرلین) بودند. اثر پیش­تیمار بذر بر کلیه صفات به ­غیر از وزن نیام، وزن هزار دانه و درصد روغن معنی ­دار بود. همچنین، اختلاف معنی ­داری بین ارتفاع بوته، تعداد دانه در بوته، وزن نیام، عملکرد بیــولوژیک، عملکرد دانه و درصـد روغن دانه، از نظر محلول­ پاشی مواد محرک رشد وجود داشت. اثر متقابل رقم با پرایمینگ بر وزن هزار دانه و عملکرد دانه و همچنین اثر متقابل رقم با محلول­ پاشی بر صفات ارتفاع بوته، وزن نیام و درصد روغن معنی ­دار بودند. اثر متقابل پرایمینگ و محلول ­پاشی نیز بر صفات ارتفاع بوته، تعداد شاخه فرعی، تعداد نیام در بوته، وزن نیام، عملکرد دانه و درصد روغن معنی ­دار برآورد شد. رقم قهوه ­ای گل ­بنفش در مقایسه با رقم زرد گل ­سفید از عملکرد دانه و درصد روغن بالاتری برخوردار بود. ترکیب تیماری پرایمینگ با جیبرلین+ اکسین همراه با محلول ­پاشی جیبرلین بالاترین عملکرد دانه و درصد روغن را به خود اختصاص دادند.

کلیدواژه‌ها


عنوان مقاله [English]

The Effect of Foliar Application of Growth Stimulants and Priming on Yield and Grain Oil Content of Flax (Linum usitatissimum L.)

نویسندگان [English]

  • Mahmoud Pouryousef Miandoab 1
  • Farnaz Esmaeilzadeh 2
1 Associate Prof., Department of Agronomy and Agro-ecology, Urmia Branch, Islamic Azad University, Urmia, Iran
2 Department of Agronomy, Mahabad Branch, Islamic Azad University, Mahabad, Iran
چکیده [English]

To investigate the effect of foliar application of plants with growth stimulants and seed priming on yield and seed oil content of flax, a factorial experiment was conducted at the Saatlo Agricultural and Natural Resources Research Center of West Azarbaijan based on a randomized complete block design with three replication in 2015. The first factor was two varieties of flax seed (yellow, white flowered and brown, purple flowered), the second factor was seed priming consisted of 3 levels (control, hydro-priming and priming with Auxin + GA) and the third factor was foliar application of growth stimulants with three levels (control, Auxin and GA). The results showed that effect of seed priming was significant on all traits except pod weight, thousand seed weight and seed oil percent. Foliar application of plants with growth stimulants were also, significant on plant height, seed number/plant, pod weight, biological yield, seed yield and grain oil percent. Interaction of cultivar and priming on seed weight and seed yield and also on cultivar with foliar application were significant on plant height and pod weight and seed oil percent. Interaction of priming and foliar application on plant height, number of branches, number of pods/plant, pod weight, seed yield and seed oil percent was also observed. Brown purple flowering flax cultivar had higher seed yield and seed oil percent as compared with yellow white flowering flax seed. Seed priming and foliar application of plants with growth stimulants, and seed priming with Auxin + GA along with foliar application of GA produced highest seed yield and seed oil percent, as compared with other treatments.

کلیدواژه‌ها [English]

  • auxin
  • GA
  • Seed yield
  • Seed oil percent
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