Project Summaries

09-549LA  Project Manager: D. C. Jones


Gerald O. Myers, LSU Agricultural Center

The continued development of improved cotton germplasm is essential to the long term health of cotton producers and related industries as well as to meet increasing consumer demand. This project seeks to develop improved cotton germplasm and varieties for use by Louisiana producers in particular and the Mid-South in general. The focus traits are yield, fiber quality and pest resistance. This is accomplished using a systematic breeding approach that relies on an extensive internal yield testing program as well as cooperation with other public breeders throughout the US.

In 2012 early segregating populations (F2-F3) developed in prior years were harvested as modified bulks based upon apparent superior agronomic phenotype and are being evaluated for their fiber properties. Individual plant selections were made in the F4 generation. Seed increase of 148 lines previously selected was completed as a prelude to entry into the yield testing program.

The yield testing program evaluated 114 different experimental lines across five different tests at four locations. Cooperative regional research on germplasm evaluation and development also took place in 2012 through participation in the Regional Breeder Testing Network (RBTN), the Regional High Quality Test, and the Delta National Cotton Variety Trial. A collaborative study was also grown for the University of Georgia. We also continued the collaborative cotton heterosis experiment. Several advanced lines were tested in official trials in Louisiana and North Carolina.


Project Year: 2012

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