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Title: 2009 Louisiana "HoCP" and "Ho" nursery and infield variety trials

item Dufrene, Edwis
item Duet, Michael
item Tew, Thomas
item White, William

Submitted to: Louisiana Agricultural Experiment Station Bulletin
Publication Type: Experiment Station
Publication Acceptance Date: 5/10/2010
Publication Date: 6/16/2010
Citation: Dufrene Jr, E.O., Duet Jr, M.J., Tew, T.L., White, W.H. 2010. 2009 Louisiana "HoCP" and "Ho" nursery and infield variety trials. Sugarcane Research Annual Progress Report 2009, Louisiana State University Agricultural Center. pp. 53-63.

Interpretive Summary:

Technical Abstract: Three years after selecting in single-stools in the seedling stage, scientists in the breeding program assign “HoCP” or “Ho” numbers to varieties advanced for further testing. These newly assigned varieties are planted in replicated nursery trials at three locations (Ardoyne Farm in Schriever, Iberia Research Station in Jeanerette, and Sugar Research Station in St. Gabriel). The year after assignment, varieties advanced for further testing are replanted in nursery trials located on three commercial sugarcane farms, each representing a different region of the sugarcane belt. Two years after assignment, active varieties are replanted in three infield tests (Ardoyne Farm and two additional commercial farms). In addition, two years after assignment, varieties are introduced to outfield locations and primary stations. During the harvest season of 2009, varieties from the 2004 through 2006 Ho and L series were harvested from infield tests at three locations (Schriever, Vacherie, and Youngsville, LA). Varieties from the 2006 through 2008 Ho assignment series were harvested from nursery trials at three locations (Schriever, Jeanerette, and St. Gabriel, LA). In addition to experimental commercial varieties, clones from the USDA Recurrent Selection for Borers (RSB) program were also harvested from these nursery trials.