روند رشد پیاز و اندام هوایی موسیر (.Allium altissimum Regel) در سطوح کود فسفره و تراکم

نوع مقاله: علمی پژوهشی

نویسندگان

1 عضو هیات علمی گروه کشاورزی، مجتمع آموزش عالی شیروان، شیروان، ایران

2 دانش آموخته کارشناسی ارشد زراعت، مجتمع آموزش عالی شیروان، شیروان، ایران

چکیده

اهلی­ سازی، کاشت و تولید انبوه موسیر برای جلوگیری از کاهش ذخایر ژنتیکی آن از اهمیت ویژه‌ای برخوردار است. این آزمایش با هدف بررسی اثرات سطوح مختلف کود فسفره و تراکم‌های کاشت بر گیاه دارویی و صنعتی موسیر به صورت فاکتوریل بر پایه بلوک‌های کامل تصادفی در 3 تکرار در مزرعه دانشکده کشاورزی مجتمع آموزش عالی شیروان انجام شد. تیمارهای آزمایش شامل چهار سطح کود فسفره (صفر، 150، 250، 350 کیلو­گرم در هکتار) از منبع سوپرفسفات تریپل و سه سطح تراکم (20، 30، 40 بوته در مترمربع) بودند. نتایج آزمایش نشان داد با افزایش سطوح مختلف کود فسفره وزن، قطر، عملکرد تر و خشک پیازهای مادری به طور معنی‌داری افزایش یافتند اما با بالا رفتن تراکم از وزن، قطر، عملکرد‌ تر و خشک پیازهای مادری کاسته شدند. همچنین، اثر متقابل فسفر و تراکم تاثیر معنی ­داری بر وزن، قطر، عملکرد تر و خشک پیازهای مادری و شاخص ­های رشدی مورد ارزیابی شامل شاخص سطح برگ، نسبت سطح برگ، سرعت رشد محصول، سرعت رشد نسبی و بازده آسیمیلاسیون خالص داشتند. بر اساس نتایج این آزمایش می‌توان نتیجه گرفت که موسیر نسبت به استفاده از عناصر غذایی پرمصرف مانند فسفر عکس‌العمل نشان می‌دهد.

کلیدواژه‌ها


عنوان مقاله [English]

Above Ground Growing Trends of Persian Shallot (Allium altissimum Regel.) as Affected by Different Levels of Phosphorus Application and Planting Densities

نویسندگان [English]

  • Mohammad Kheirkhah 1
  • Fateme Mohammadkhani 2
  • Alireza Dadkhah 1
  • Mahmood Ghorbanzadeh Neghab 1
1 Faculty of Agriculture, Higher Education Complex of Shrivan, Shirvan, Iran
2 Graduated in M.sc. of Agronomy, Higher Education Complex of Shrivan, Shirvan, Iran
چکیده [English]

Journal of Crop Ecophysiology / Vol. 10, No. 2, 2016                                                                                          18

 





 



Domestication, cultivation and mass production of shallot to prevent the loss of its genetic resources are of particular importance. This study was conducted in a factorial experiment based on randomized complete block design with 3 replications to evaluate the effects of different levels of phosphorus fertilizer and planting densities on medicinal and industrial plants of shallots at the Agricultural Research Station of Higher Education Complex of Shirvan. Treatments of this study were plant densities at tree levels (20, 30 and 40 plants per square meter) and phosphorus applications (superphosphate) at four levels (0, 150, 250 and 350 kg.ha-1). The results showed that phosphorus, plant density and the interactions between them significantly affected growth parameters such as leaf area index, leaf area ratio, crop growth, relative growth, and net assimilation rates as compared to controls. According to these results, it can be concluded that this plant reacts positively to the phosphorus fertilization.

کلیدواژه‌ها [English]

  • Allium altissimum Regel
  • Growth analyses
  • phosphorus
  • Plant density

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