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| Gossypium Germplasm Resources | |
| 作者姓名： | R.G.PERCY |
| 作者单位： | USDA，ARS，Maricopa Agricultural Center，37860 W.Smith-Enke Rd.，Maricopa，AZ 85239，USA |
| 摘 要： | The genetic variability residing in diploid andtetraploid species of the Gossypium genusrepresents a large,under-utilized resource incurrent cotton improvement efforts.Geneticdiversity in elite germplasm is reported to benarrow.Actual diversity on the land isnarrower,due to preferential mass planting ofsuccessful cultivars and breeding techniques that |
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