Influence of Rhizobium, Pseudomonas and Fungi Mycorrhiza on Some Traits of Red Beans (Phaseolus vulgaris L.) under Drought Stress
2017
Ebrahim Abbasi Seyahjani | Mehrdad Yarnia | Farhad Faravash | Mohammad Bagher Khorsidi Benam | Hadi Asadi Rahmani
To investigate the effect of three types of organic fertilizers on some characteristics of bean (Goli cv.) under water deficit stress an experiment was conducted as split plot as randomized complete block design (RCBD) with three replications in Tabriz during 2014 in Research Farm of Islamic Azad University of Tabriz. Irrigation levels were: irrigation after 70, 110 and 150 mm evaporation from class A pan and bio-manure in seven levels: Rhizobium (Legominosarrum biovar phaseoli), mycorrhiza (Glomus mosseae), Pseudomonas (fluorescens), Rhizobium+mycorrhiza, Rhizobium+Pseudomonas, Rhizobium+Pseudomonas+mycorrhiza and control were assigned to main plots and sub plots, respectively. The results showed that all traits except the number of stomata on addaxial, abbaxial, cell membrane stability was higher in irrigation after 70 mm evaporation than other irrigation levels. Irrigation after 110 and 150 mm evaporation from pan reduced grain yield as 38.08% and 73.37%, respectively compared to the control. Treatment of Pseudomonas+ Rhizobium + mycorrhizae had higher yield (2401.1 kg.ha-1) compared other treatments except Rhizobium and mycorrhizae. Interaction of water stress and bio-manure was significant for chlorophyll content index, number of stomata on abbaxial and addaxial levels of leaves, cell membrane stability, leaf area index, harvest index, and the average number of seed per plant. Based on this research, bio fertilizer consumption increased all attributes compared to control, and combined use of bio-fertilizers also showed a higher impact than single use of them
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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