论文信息 - Effect of Integrated Application of Bio-fertilizer on Grain Yield, Yield Components and Associated Traits of Maize Cultivars

Effect of Integrated Application of Bio-fertilizer on Grain Yield, Yield Components and Associated Traits of Maize Cultivars

2 Abstract: In order to investigate the effects of bio-fertilizer on yield and its components of maize cultivars, an experiment was conducted as split plot in randomized complete bock design with three replications in Ilam Payamnoor University of Iran in 2009-2010. Treatments were cultivar factor (SC604, SC704 and SC807) as main plots and bio-fertilizer factor (non-inoculation, inoculation with Azotobacter, Azospirillum and double- inoculation of Azotobacter and Azospirillum) as subplots. The effect of cultivar on plant height, stem diameter, number of grain per row, 1000-grain weight, grain yield, biological yield and protein contents were found significant. Cultivar of SC704 had the highest plant height (201.1 cm), number of grains per row (42.8 grains), grain yield (10850 kg ha ) and biological yield (22040 kg ha ) compared with other cultivars. The effect of 11 plant growth promoting rhizobacteria on all traits was significant but harvest index. Double-inoculation of Azotobacter and Azospirillum had the highest plant height (212.4 cm), stem diameter (2.5 cm), number of rows per ear (14.5 row), number of grains per row (44.2 grain), 1000-grain weight (315.4 g), grain yield (10190 kg ha ), 1 biological yield (21320 kg ha ) and protein content (10.7%) when compared with other treatments. The 1

R. Naseri | H. Naserirad | A. Soleymanifard

[1] A. Gholami,et al. The Effect of Plant Growth Promoting Rhizobacteria (PGPR) on Germination, Seedling Growth and Yield of Maize , 2009 .

[2] A. Fritz,et al. Wheat ( Triticum aestivum , 2007 .

[3] M. Turan,et al. Evaluation of the Capacity of Phosphate Solubilizing Bacteria and Fungi on Different Forms of Phosphorus in Liquid Culture , 2006 .

[4] J. Döbereiner,et al. Nitrogen fixation associated with grasses and cereals: Recent results and perspectives for future research , 1988, Plant and Soil.

[5] Z. Li,et al. Effects of biofertilizer containing N-fixer, P and K solubilizers and AM fungi on maize growth: a greenhouse trial , 2005 .

[6] L. Reynders,et al. Use ofAzospirillum brasilense as biofertilizer in intensive wheat cropping , 1982, Plant and Soil.

[7] S. El-Ashry. Biofertilization of Maize Crop and its Impact on Yield and Grains Nutrient Content under Low Rates of Mineral Fertilizers , 2005 .

[8] .. K.A.Zaied,et al. Yield and Nitrogen Assimilation of Winter Wheat Inoculated with New Recombinant Inoculants of Rhizobacteria , 2003 .

[9] Muhammad Arshad,et al. Plant Growth Promoting Rhizobacteria: Applications and Perspectives In Agriculture , 2003 .

[10] I. Ipor,et al. Nigella sativa L , 1999 .

[11] Y. Okon,et al. Growth response of maize roots to Azospirillum inoculation: Effect of soil organic matter content, number of rhizosphere bacteria and timing of inoculation , 1988 .