International Journal of Horticultural Science and Technology، جلد ۳، شماره ۲، صفحات ۱۱۳-۱۲۸
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عنوان انگلیسی Influence of arbuscular mycorrhizal inoculation and humic acid application on growth and yield of Roselle (Hibiscus sabdariffa L.) and its mycorrhizal colonization index under deficit irrigation
چکیده انگلیسی مقاله In this study effect of irrigation managements including irrigation after 100 and 200 mm pan evaporation as normal and deficit irrigation respectively was investigated in Roselle plants. Effects of humic acid (including 0 and 4 kg ha-1) and mycorrhizal inoculants (including Glomus versiforme (GV) and Rhizophagus irregularis (RI)) were also studied on growth, yield and mycorrhizal symbiosis index of Roselle plants. Drought stress reduced the amounts of morphological indices and yield components, while mycorrhizal treatment particularly RI inoculation and to a lower extent humic acid application reduced the negative impacts of water deficit on growth and yield of Roselle plants. Both inoculants of mycorrhizal fungi increased the economical yield of Roselle under drought stress condition, where the amount of calyx yield for RI, GV and control in 200 mm pan-evaporation treatment was 130, 127 and 66 kg ha-1, respectively. In addition, the highest root mycorrhizal frequency was obtained at normal irrigation × humic application × RI (95%) and the lowest value was observed at deficit irrigation × no-humic × no-mycorrhizal inoculation (31.6%) treatment. In conclusion, combined effects of experimental factors showed that seed inoculation of plants by mycorrhiza and to some extent application of humic acid are two reliable strategies for Roselle production under deficit irrigation.
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نویسندگان مقاله حمیدرضا فلاحی | hamid reza
department of agronomy and plant breeding, faculty of agriculture, university of birjand, birjand, iran
سازمان اصلی تایید شده: دانشگاه بیرجند (Birjand university)

مرتضی قربانی |
department of biology, faculty of science, university of birjand, birjand, iran
سازمان اصلی تایید شده: دانشگاه بیرجند (Birjand university)

علیرضا صمدزاده |
department of agronomy and plant breeding, faculty of agriculture, university of birjand, birjand, iran
سازمان اصلی تایید شده: دانشگاه بیرجند (Birjand university)

مهسا aghhavani شجری | aghhavani shajari
department of agronomy, faculty of agriculture, ferdowsi university of mashhad, mashhad, iran
سازمان اصلی تایید شده: دانشگاه فردوسی (Ferdowsi university)

امیر حسن اسدیان | amir hassan
agronomy and plant breeding department, sarayan faculty of agriculture, university of birjand, birjand, iran
سازمان اصلی تایید شده: دانشگاه بیرجند (Birjand university)

نشانی اینترنتی http://ijhst.ut.ac.ir/article_62912_2d72bbbf4562d5ef38f3c3a5c0bf832d.pdf
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زبان مقاله منتشر شده en
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