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تأثیر تلقیح باکتری‌های محرک رشد گیاه بر ویژگی‌های خاک، جذب عناصر غذایی و رشد فلفل دلمه‌ای (Capsicum annum L.) | ||
| تحقیقات آب و خاک ایران | ||
| دوره 54، شماره 1، فروردین 1402، صفحه 1-13 اصل مقاله (1.29 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22059/ijswr.2023.352612.669412 | ||
| نویسندگان | ||
| محمدامین خدابین1؛ صاحب سودایی مشایی* 2؛ رحیم برزگر3؛ مسعود قاسمی قهساره4 | ||
| 1دانشجوی کارشناسی ارشد، گروه علوم باغبانی، دانشکده کشاورزی، دانشگاه شهرکرد، چهارمحال و بختیاری، ایران | ||
| 2گروه علوم و مهندسی خاک، دانشکده کشاورزی، دانشگاه شهرکرد، شهرکرد، ایران | ||
| 3دانشگاه شهرکرد | ||
| 4استادیار گروه علوم باغبانی، دانشکده کشاورزی، دانشگاه شهرکرد، چهارمحال و بختیاری، ایران. | ||
| چکیده | ||
| به منظور بررسی اثر تلقیح باکتری‌های محرک رشد بر ویژگی‌های خاک، جذب عناصر غذایی و رشد فلفل دلمه‌ای، پژوهشی در قالب طرح بلوک کامل تصادفی با پنج گونه از باکتری‌های محرک رشد (Bacillus subtilis ، Azospirillum lipoferum، Azotobacter chroococcum، Enterobacter cloacae و Pseudomonas putida) با سه تکرار در سال 1400در گلخانه گندم‌زار اصفهان انجام شد. خصوصیات شیمیایی و زیستی خاک، جذب نیتروژن، فسفر و پتاسیم و خصوصیات رشد و عملکرد میوه بعد از برداشت بررسی شدند. نتایج نشان داد که افزودن باکتری‌های محرک رشد بر برخی از ویژگی‌های خاک و رشد فلفل دلمه‌ای تاثیر می‌گذارد. تیمارها از نظر نیتروژن کل، فسفر و پتاسیم قابل جذب خاک، تنفس و جمعیت میکروبی محیط ریشه، جذب نیتروژن و پتاسیم، عملکرد و تعداد میوه (p≤0.01) تفاوت معنی‌داری نشان دادند. بهترین میزان نیتروژن خاک (44/0 درصد)، میزان جذب نیتروژن (8/28 گرم بر مترمربع) و وزن خشک اندام هوایی (0/565 گرم بر مترمربع) در تیمار باکتری Azotobacter chroococcum مشاهده شد. بیشترین جمعیت میکروبی ریزوسفر (cfu.g-1106×6/7) و نسبت جمعیت محیط ریزوسفر به غیرریزوسفری (R/S) (9/47) در تیمار Enterobacter cloacae بود. وزن تر و وزن خشک اندام هوایی گیاه در تیمار Azospirillum lipoferum بیشتر بود که با تیمار Azotobacter chroococcum و Enterobacter cloacae تفاوت معنی‌داری نداشت. در تیمار Enterobacter cloacae، عملکرد (8/18 کیلوگرم بر مترمربع) و تعداد میوه (8/65 در مترمربع) بیشتر بود. مصرف زادمایه باکتری‌های Enterobacter cloacae، Azotobacter chroococcum و Azospirillum lipoferum بر شاخص‌های رشدی فلفل بیشتر بود که می‌توان کاربرد این باکتری‌ها را به عنوان کود زیستی در پرورش فلفل دلمه‌ای توصیه نمود. | ||
| کلیدواژه‌ها | ||
| ازتوباکتر؛ انتروباکتر؛ جذب نیتروژن؛ خصوصیات زیستی خاک؛ عملکرد | ||
| عنوان مقاله [English] | ||
| Effect of plant growth-promoting rhizobacteria inoculation on soil characteristics, nutrients uptake and growth of bell pepper (Capsicum annum L.) | ||
| نویسندگان [English] | ||
| MohammadAmin Khodabin1؛ Saheb Soudaei Mashaei2؛ Rahim Barzegar3؛ Masood Ghasemi Ghahsare4 | ||
| 1Department of Horticulturer Science, Faculty of Agriculture, University of Shahrekord, Charmahal-va-Bakhtiari, Iran | ||
| 2Soil Science and engineering Department, Faculty of Agricultural, Shahrekord University, Shahrekord, Iran | ||
| 3Department university of Sharekord | ||
| 4Department of Horticulturer Science, Faculty of Agriculture, University of Shahrekord, Charmahal-va-Bakhtiari, Iran | ||
| چکیده [English] | ||
| In order to investigate the effect of growth-promoting bacteria inoculation on soil characteristics, nutrients uptake and growth of bell pepper, a randomized complete block design with five species of growth-promoting bacteria (Bacillus subtilis, Azospirillum lipoferum, Azotobacter chroococcum, Enterobacter cloacae and Pseudomonas putida) with three repetitions was carried out in Isfahan Wheat Field greenhouse in 2021. The chemical and biological properties of the soil, NPK uptake, and the growth and yield characteristics were investigated. The results showed that the addition of growth-promoting bacteria effects on some soil characteristics and bell pepper growth. The treatments showed a significant difference in terms of total nitrogen, phosphorus and potassium available in soil, respiration and rhizospheric microbial population, NK uptake, yield and fruit number (p≤0.01). The best soil nitrogen content (0.44%), nitrogen uptake (28.8 g.m-2) and shoot dry weight (0.565 g.m-2) were observed in Azotobacter chroococcum treatment. The highest rhizospheric microbial population (7.6×106 cfu.g-1) and R/S ratio was 47.9 in Enterobacter cloacae treatment. Fresh weight and dry weight of plant shoot were higher in Azospirillum lipoferum treatment, which was not significantly different from Azotobacter chroococcum and Enterobacter cloacae treatments. In the treatment of Enterobacter cloacae, the yield (18.8 kg.m-2) and the fruits number (65.8/m2) were higher. The application of Enterobacter cloacae, Azotobacter chroococcum and Azospirillum lipoferum bacteria was higher effect on the growth indicators of pepper, which can be recommended for the use of these bacteria as biofertilizers in bell pepper cultivation. | ||
| کلیدواژه‌ها [English] | ||
| Azotobacter, Enterobacter, nitrogen uptake, soil biological properties, yield | ||
| مراجع | ||
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