Responses of three wheat Triticum aestivum L. cultivars to bacterial inoculation by chroococcum Azotobacter


This study was conducted in Qurna, Basra to investigate the response of three wheat cultivars to bacterial inoculation Azotobacter chroococcum during winter season (2015-2016). Three levels of bio fertilize (without fertilize, and the two Azotobacter isolations (local F1 and exported F2), and three wheat cultivars (Buhooth 22, Abu Ghraib and Ibba99) were applied. Split–plots within randomized completely block design was chosen. The main plot represented by bio-fertilizes, while the sub-main plot the cultivars represented by cultivars, each treatment was replicated 3 times. Buhooth22 wheat cultivar excelled others in the grain yield (3991.4 kg h-1) and the biological yield (11889.8 kg h-1). Bacterial inoculation has recorded grain yields (3974.0 and 3931.6 kg h-1), the highest biological yield (11568.4 and 11645.5 kg h-1) and the highest protein (466.4 and 438.0 kg h-1) for two local and exported inoculants respectively. Local inoculant was the best in 1000 grain weight, while the exported one was the best in the number of tillers and the number of spikes per meter square. The Buhooth22 inoculated with local isolation recorded gave highest1000 grain yield (48.50 g), grain yield (4584.2 kg h-1) and protein (550.3 kg h-1).

Kadhem Hassan Ehthali, Agric. College, Al-Basra Univ.

Raghad Sabah Al-Hassan Agric. College, Al-Basra Univ.




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