Maupin, L.M. and Rosso, M.L. and Rainey, K.M. (2011) Environmental effects on soybean with modified phosphorus and sugar composition. Crop Science, 51 (2). pp. 642-650.
![[img]](http://eprints.icrisat.ac.in/style/images/fileicons/application_pdf.png) |
PDF
Restricted to ICRISAT researchers only |
Abstract
Development of soybeans [Glycine max (L.) Merr.] with modified phosphorus (P) and sugar composition adds value to soybean meal. The identification and release of the soybean line V99-5089 with a mutation in the D-myo-inositol 3-phosphate synthase 1 gene (MIPS1) provides a germplasm source that dually enhances both P and sugar composition of soybeans. An evaluation of the recombinant inbred line population from the cross of V99-5089 × Essex was completed at three environments in 2 yr. Phenotypic selection for modified composition was slightly more effective than marker-assisted selection with the Satt453 marker, which was 87% efficient. In the mutant lines, a significant genotype × environment interaction was shown for inorganic phosphorus (Pi) concentration but not sugar concentration. Correlations for improving P and sugar composition were favorable, and with the exception of emergence there were no strong correlations with agronomic traits. The correlation of emergence with Pi was significant (r = −0.59), indicating reduced emergence due to the mutation. Reduced emergence is a problem in low phytate germplasm generally and further research is necessary to genetically improve emergence of low phytate lines
| Item Type: | Article |
|---|---|
| Author Affiliation: | Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China |
| Subjects: | Crop Improvement |
| Divisions: | Soyabean |
| Depositing User: | Syamala |
| Date Deposited: | 28 Apr 2011 08:46 |
| Last Modified: | 28 Apr 2011 08:46 |
| Official URL: | http://dx.doi.org/10.2135/cropsci2010.07.0396 |
| URI: | http://eprints.icrisat.ac.in/id/eprint/1912 |
Actions (login required)
 |
View Item |
