Torres-Cardona , S. and Sotomajor-Rios, A. and Telek, L. (1983) Agronomic performance and hydrocyanic acid potential (HCN-p) of single and three-way sorghum-forage hybrids and DeKalb hybrid SX-17. Journal of Agriculture of the University of Puerto Rico, 67 (1). pp. 39-49.
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Abstract
11 sorghum forage entries were evaluated for yield of green forage (GF), dry forage (DF), CP content, CP yield, ht., leaf area, number of tillers, leaf stem:ratio and HCN potential at Isabela. The 2nd harvest, 112 days after sowing had the highest DF yield and the lowest CP content. When data for all 4 harvests were combined, the single cross of ATX624 X common Sudangrass, 3-way hybrid (ATX624 X BRhodesian) X Common Sudangrass and single cross hybrid ARhodesian X Common Sudangrass produced the highest DF yields. These were significantly higher than those of DeKalb SX-17. The highest DF yield was that from single cross hybrid ATX624 X Common Sudangrass (17.3 t/ha in 217 days), which exceeded by 11% and 13% the 2nd and 3rd highest producers. 3-way hybrids had a lower HCN content (250 p.p.m.) than single crosses (285 p.p.m.). These values were slightly higher than the 200 p.p.m. level at which HCN toxicity could affect animals. Results indicate that any of the 3 top hybrids of this study would be an excellent choice for farmers desiring high forage production under irrigation in Puerto Rico
| Item Type: | Article |
|---|---|
| Author Affiliation: | Institute of Tropical Agriculture, Mayaguez, Puerto Rico |
| Subjects: | Crop Improvement |
| Divisions: | Sorghum |
| Depositing User: | Ms K Syamalamba |
| Date Deposited: | 07 Mar 2012 03:03 |
| Last Modified: | 07 Mar 2012 03:03 |
| URI: | http://eprints.icrisat.ac.in/id/eprint/3604 |
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