13th Congress of the International Society for Ethnopharmacology , 2012-09-02

Title : ( The Effect of Plant Growth Promoting Rhizobacteria (PGPR) on quantitative and qualitative characteristics of Sesamum indicum L. in condition of cultivation of cover crops )

Authors: Mohsen Jahan , mohamad behzad Amiri , Ali Jahan ,

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Cover crops cultivation and application of plant growth rhizobacteria is one of the key factors to enhance agroecosystems health regarding to agroenvironment issues. In order to evaluate the effects of cover crops and biofertilizers on quantitative and qualitative characteristics of sesame, an experiment was conducted at research farm of faculty of agriculture, ferdowsi university of mashhad, Iran, in 2009-10 years. A split plot arrangement based on complete randomized block design with three replications was used. Cultivation and no cultivation of Lathyrus sp. and Persian clover (Trifolium resopinatum) in autumn assigned to the main plots. The sub plot factor consisted of three different types of biofertilizers plus control, including 1-nitroxin (containing of Azotobacter sp. & Azospirillum sp.), 2- phosphate solubilizing bacteria (PSB) (containing of Bacillus sp. & Pseudomonas sp.), 3- biosulfur (containing of Thiobacillus ssp.) and 4- control (no fertilizer). The results showed the effect of cover crops on seed number and seed weight per plant, biological and seed yield was significant, as the seed yield increased of 9 percent. In general, biofertilizers showed superiority due to the most studied traits compared to control. Nitroxin, PSB and biosulfur increased biological yield of 44, 28 and 26 percent compared to control, respectively. Cover crops and biofertilizers interactions, showed significant effect on all studied traits, as the highest and the lowest harvest index resulted in cover crop combined with biofertilizers (22.1) and cultivation and no cultivation of cover crops combined with control (15.3), respectively. The highest seed oil and protein content resulted from cover crops plus biofertilizers (42.4) and cover crops plus PSB (22.5), respectively. In general, the results showed cover crops cultivation in combination with biofertilizers application could be and ecological alternative for chemical fertilizers, in addition of achieving advantages of cover crops. According to the results, it is possible to design an ecological cropping system and produce appropriate and healthy sesame in agreement with ecofriendly agricultural production guidelines.

Keywords

, PGPRs, Winter Cover Crop, Oil Seed Crops, Neglected Crops, Low Input
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@inproceedings{paperid:1029790,
author = {Jahan, Mohsen and Amiri, Mohamad Behzad and Jahan, Ali},
title = {The Effect of Plant Growth Promoting Rhizobacteria (PGPR) on quantitative and qualitative characteristics of Sesamum indicum L. in condition of cultivation of cover crops},
booktitle = {13th Congress of the International Society for Ethnopharmacology},
year = {2012},
location = {Graz},
keywords = {PGPRs; Winter Cover Crop; Oil Seed Crops; Neglected Crops; Low Input System},
}

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%0 Conference Proceedings
%T The Effect of Plant Growth Promoting Rhizobacteria (PGPR) on quantitative and qualitative characteristics of Sesamum indicum L. in condition of cultivation of cover crops
%A Jahan, Mohsen
%A Amiri, Mohamad Behzad
%A Jahan, Ali
%J 13th Congress of the International Society for Ethnopharmacology
%D 2012

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