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United States Department of Agriculture

Agricultural Research Service

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Location: Sugarcane Field Station

2012 Annual Report

1a. Objectives (from AD-416):
Produce sugarcane seed of recommended crosses of clones from Louisiana, Texas and Florida for the ARS Louisiana sugarcane Breeding Program.

1b. Approach (from AD-416):
Sugarcane clones will be imported from Louisiana, quarantined and tested for pathogens of leaf scald, ratoon stunt, yellow leaf and mosaic. Subsequently, the disease-free clones will be released and incorporated into the breeding population for crossing. The plants will be grown under conditions to maximize flowering by manipulating light treatments using photoperiod and light delay treatments. Recommended crosses will be made using female tassels pollinated with male tassels by maintaining plants with male tassels on either photoperiod carts or on rail carts that are moved into heated structures at night to prevent emasculation by cold temperatures. After crosses are made, the pollinated tassels will be held for seed set and the mature seed will be harvested and sent to the ARS program in Houma, Louisiana.

3. Progress Report:
This research relates to inhouse objective 2: Develop better agronomic practices for the Florida sugarcane industry. In the 2011/2012 crossing season, we made 531 crosses using 1202 female tassels for the USDA-ARS breeding program in Houma, LA. An additional 9 crosses using 40 female tassels were made and shared between Louisiana and Canal Point. It is estimated that 129,757 seeds were sent to Houma as a result of these efforts. Included are seed produced in a recurrent selection program for sugarcane borer resistance.

4. Accomplishments

Last Modified: 06/23/2017
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