اثر محلول‌پاشی روی و بور بر عملکرد و اجزای عملکرد دو رقم عدس بهاره دیم در شرایط اقلیمی کرمانشاه
محورهای موضوعی :
داریوش صفری
1
(گروه اصلاح نباتات، دانشکده کشاورزی و منابع طبیعی، دانشگاه خلیج فارس، بوشهر، ایران)
کلید واژه: سولفات روی, اسید بوریک, ریزمغذی, عناصر کم‌مصرف,
چکیده مقاله :
این آزمایش مزرعه ای به‌منظور بررسی تأثیر محلول پاشی عناصر روی و بور بر عملکرد و اجزای عملکرد دو رقم عدس بهاره دیم در منطقه کرمانشاه به‌صورت فاکتوریل در قالب طرح بلوک های کامل تصادفی انجام شد. فاکتور اول شامل ارقام بیله سوار و کیمیا وفاکتور دوم محلول پاشی در چهار سطح عدم محلول پاشی، محلول پاشی با سولفات روی 5/1 در هزار، محلول پاشی با بوریک اسید 3 در هزار و محلول پاشی با سولفات روی و بوریک اسید به صورت توأم بود. اثرات محلول پاشی بر صفات مورد مطالعه به غیر از صفت وزن صد دانه معنی دار بود. رقم بیله سوار از عملکرد بالاتری نسبت به رقم کیمیا برخوردار بود. همچنین محلول پاشی با سولفات روی باعث افزایش عملکرد دانه، عملکرد زیست‌توده، و شاخص برداشت شد. محلول پاشی با بور باعث افزایش معنی داری عملکرد اقتصادی و شاخص برداشت گردید درحالی‌که محلول پاشی با سولفات روی و اسید بوریک به‌صورت توأم باعث افزایش تعداد غلاف در بوته، تعداد دانه در غلاف و ارتفاع بوته در رقم بیله سوار گردید. بنابراین، کاشت رقم بیله سوار و محلول پاشی آن با سولفات روی و بوریک‌اسید به صورت توأم توصیه می‌شود.
A field experiment was conducted to investigate the effect of zinc and boron spraying on yield and yield components of two spring lentil cultivars in Kermanshah, Iran in a factorial experiment based on randomized complete block design. The first factor consisted of Bilehsavar and Kimia cultivars. The second factor was spraying in four levels consisting of non-spraying, spraying with zinc sulfate at 1.5 o/oo, and boric acid 3 o/oo separated or in combination. The effects of spraying on the all studied traits were significant but except for hundred seed weight and harvest index. Bilehsavar had higher yield than Kimia cultivar. Zinc sulfate spraying also increased seed yield, biomass yield, and harvest index. Boron spraying increased the grain yield and harvest index, while combination of zinc sulfate and boric acid spraying increased number of pods per plant, number of seeds per pod, and plant height in Bilehsvar cultivar. Also, the results of this study were useful in the effect of leaf spraying with micronutrient fertilizers on zinc and boron, which was the most affected by the application of zinc sulfate and boric acid in conjunction with increasing number of pods per plant and number of seeds per pod. Therefore, planting of Bilesavar cultivar and its spraying with both ZN and B fertilizers is recommended in Kermanshah climate condition. A field experiment was conducted to investigate the effect of zinc and boron spraying on yield and yield components of two spring lentil cultivars in Kermanshah, Iran in a factorial experiment based on randomized complete block design. The first factor consisted of Bilehsavar and Kimia cultivars. The second factor was spraying in four levels consisting of non-spraying, spraying with zinc sulfate at 1.5 o/oo, and boric acid 3 o/oo separated or in combination. The effects of spraying on the all studied traits were significant but except for hundred seed weight and harvest index. Bilehsavar had higher yield than Kimia cultivar. Zinc sulfate spraying also increased seed yield, biomass yield, and harvest index. Boron spraying increased the grain yield and harvest index, while combination of zinc sulfate and boric acid spraying increased number of pods per plant, number of seeds per pod, and plant height in Bilehsvar cultivar. Also, the results of this study were useful in the effect of leaf spraying with micronutrient fertilizers on zinc and boron, which was the most affected by the application of zinc sulfate and boric acid in conjunction with increasing number of pods per plant and number of seeds per pod. Therefore, planting of Bilesavar cultivar and its spraying with both ZN and B fertilizers is recommended in Kermanshah climate condition.
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