Growth and yield of new Varieties of forage sorghum (Sorghum bicolor L.)Bojnourd in area climate

In this study, three cultivars (named varieties include a new line and 2) the names of forage sorghum Speedfeed, MFS1 and MFS2 using statistical design randomized complete block basis to determine the most appropriate in terms of yield and compatibility with climatic conditions of North Khorassan (Bojnourd), three replicates were analyzed Garmkhan region. Consumer characteristics included yield more dry matter, plant height, tiller number, leaf chlorophyll content, leaf area index (the most important indicators of growth), leaf and stem dry weight at different times and China were measured and harvesting operation unit area were performed. The aim of the plan to identify the best and most efficient forage sorghum varieties (as one of the first indicators of forage plants) in the arid and semi arid areas, consider the limitations of water resources and forage production is. Based on the estimated variance analysis showed that all these indices affected by genotype, at least at the 5 percent level were significant. The highest yield of dry forage varieties Speed feed, respectively 17, 800 and 3782 values of g m was obtained. Considering the significant positive correlation between growth traits and performance among cultivars was there, so cultivars Speedfeed significant superiority compared to two other lines that nearly had similar characteristics, there. According to the results of late varieties in cultivation Speedfeed region being due to fast growing and having more Speedfeed is recommended.