Sorghum Research Paper

The plant has several uses as for grain, forage, feed, and bioenergy. As related to the nutritional value, sorghum contains approximately 11–13% protein, which is free of gluten presenting an advantage as a food supply from people suffering from celiac problems. doi: 10.2135/cropsci1991.0011183X003100030002x Cross Ref Full Text | Google Scholar Rakshit, S., Hariprasanna, K., Gomashe, S., Ganapathy, K. The research paper published in BMC Genomics notes that changes in sugar transport mechanisms could reveal the genetic pathways that lead to sugar remaining in the stalk of sweet sorghum, rather than moving to the seed.

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The final tiller number is dependent on the genotype, temperature, and nutrient resources. Dry matter accumulation patterns, yield, and N content of grain.

Final plant size as related to the aboveground portion is dependent on the plant response to photoperiod sensitivity and growing conditions; while the belowground section is composed by extensive fibrous root systems. doi: 10.2135/cropsci20 Cross Ref Full Text | Google Scholar Roy, R.

Sorghum yield improvement is tightly connected to changes in number of panicles per unit land area, increased kernel numbers, and increased final total grain weight.

Production factors such as non-uniform stands, row spacing, plant population, weed-competition, defoliation, water availability, and N applications directly affect yield components (Stickler and Wearden, 1965; Rajewski et al., 1991; M’Khaitir and Vanderlip, 1992; Norwood, 1992; Larson and Vanderlip, 1994; Limon-Ortega et al., 1998) impacting yield potential of grain sorghum. doi: 10.1104/pp.82.1.247 Pub Med Abstract | Cross Ref Full Text | Google Scholar Rajcan, I., and Tollenaar, M. Source: sink ratio and leaf senescence in maize: II.

Historical NUE gains in maize were primarily explained by improvements in N uptake, and consequently, NIE (Ciampitti and Vyn, 2012, 2013, 2014). doi: 10.2136/sssaj1984.03615995004800050030x Cross Ref Full Text | Google Scholar Pan, W.

Nonetheless, yield improvement has been indirectly accompanied by decreases in grain %N (Duvick and Mickelson, 1997; Ciampitti and Vyn, 2012, 2013). Improvements in NUE are subjected to the interplay between N supply (N from non-reproductive organs) and grain N demand, sink- (driven by grain number) and source-modulated (via restriction of grain N demand). For the last six decades, US sorghum (Sorghum bicolor L. Superior water use efficiency for grain sorghum as relative to other crops (such as corn and soybean), expressed as higher yield per unit of water, was documented in low-yielding, and water-limited environments (Stone et al., 2006). Historically, sorghum genetic improvement is related to changes in aboveground biomass production (increased leaf to stem ratio and higher leaf mass), longer panicle length, decrease in peduncle length, and superior root mass (Assefa and Staggenborg, 2011). doi: 10.1016/S0378-4290(98)00143-9 Cross Ref Full Text | Google Scholar Rajewski, J. A detailed literature review was performed and summarized on sorghum NUE (13 studies; 250 means) with three Eras, defined by the year of the study, named as Old Era (1965–1980); Transient Era (1981–2000); and New Era (2001–2014). Water supply: yield relationships developed for study of water management. The most remarkable outcomes from this synthesis were: (1) overall historical (1965–2014) cumulative yield gain was ); (2) NIE did not change across the same time period; (3) grain N concentration (grain %N) accounted for a large proportion (63%) of the variation in NIE; (4) NIE increased as grain %N diminished, regardless of the Eras; (5) Remobilized N was strongly () relationship, suggesting complex regulation processes governing N forces. For the main stem, leaf area increases until full expansion of the flag leaf occurs; a waxy bloom often covered leaf sheath and stem organs. Changes in area, yield gains, and yield stability of sorghum in major sorghum-producing countries, 1970 to 2009. Grains are developed in the head organ (in the uppermost section of the plant) after flowering time. For modern sorghum hybrids, N application improved yields via modification of aboveground biomass, seed number, and grain HI (Mahama et al., 2014). Improvement of NUE (yield to available N ratio) can be understood via dissecting NUE into two components: N recovery efficiency (NRE, plant N uptake to soil N supply) and (NIE, yield to plant N uptake ratio) (Ciampitti and Vyn, 2012).

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