Hicks, C. and Tuinstra, M.R. and Pedersen, J F and Dowell, E.E. and Kofoid, K.D. (2002) Genetic analysis of feed quality and seed weight of sorghum inbred lines and hybrids using analytical methods and NIRS. Euphytica, 127 (1). pp. 31-40.
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Abstract
Eight lines of grain sorghum and their F1hybrids were evaluated for contents ofcrude protein (CP), fat (FAT), and starch(STA); protein digestibility (PD); and in vitro dry matter disappearance (IVDMD).The effect of seed weight (SW) on thesetraits and the potential use of nearinfrared reflectance spectroscopy (NIRS) topredict them also were investigated. Themale lines included three normal-seededlines (TX2737, TX435, and P954063) and twolarge-seeded lines (PL-1 and Eastin1). Thefemale lines included common U.S. seedparent lines (Wheatland, Redlan, andSA3042). The lines and their hybrids weregrown under dryland conditions at KansasState University experiment fields inAshland and Belleville, Kansas, in 1999.The experiments were conducted using arandomized complete block design with fourreplications at each location. The effectof genotype was significant for allmeasured traits. The male parent lineswere highly variable and expressed highlevels of genetic variation in combiningability for CP, PD, STA, and SW. The femaleparents were genetically more uniform;however, significant general combiningability effects were noted for PD and SW. Significant negative correlations werenoted between CP and STA and between SW andSTA. Significant positive correlationswere found between CP and SW and betweenFAT and IVDMD. Crude protein content waspredicted accurately by NIRS. Fat contentand IVDMD could not be predicted by NIRS. The NIRS equations based on ground sampleswere more accurate than those based onwhole-seed samples
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | dietary protein - feed quality - rumen - sorghum |
| Author Affiliation: | Kansas State Univ., Manhattan, Univ. of Nebraska, Lincoln, USDA-ARS Grain Marketing Production and Research Center, Manhattan, KSU Agric. Research Center – Hays, |
| Subjects: | Crop Improvement |
| Divisions: | Sorghum |
| Depositing User: | Mr. SanatKumar Behera |
| Date Deposited: | 05 Jul 2012 05:17 |
| Last Modified: | 05 Jul 2012 05:17 |
| Official URL: | http://dx.doi.org/10.1023/A:1019943805514 |
| URI: | http://eprints.icrisat.ac.in/id/eprint/6574 |
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