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Title: CULTIVAR HO 95-988, A PRODUCT OF THE USDA-ARS BASIC BREEDING EFFORT IN LOUISIANA

Author
item Tew, Thomas

Submitted to: American Society of Sugar Cane Technologists
Publication Type: Abstract Only
Publication Acceptance Date: 6/18/2004
Publication Date: 6/30/2004
Citation: Tew, T.L. 2004. Cultivar Ho 95-988, a product of the USDA-ARS basic breeding effort in Louisiana [abstract]. Journal of the American Society of Sugar Cane Technologists. 24:122. Available: http://www/assct.org/journal.htm.

Interpretive Summary:

Technical Abstract: The Agricultural Research Service (ARS) of the United States Department of Agriculture, the Louisiana Agricultural Experiment Station of the Louisiana State University AgCenter, and the American Sugarcane League of the USA, Inc., working cooperatively, have jointly evaluated and released the new cultivar, Ho 95-988, for commercial planting in 2004. Ho 95-988 is a progeny of a cross between CP 86-941 X US 89-12 that was made by ARS' Sugarcane Research Unit (SRU) at Houma (Ho), Louisiana in 1990. The maternal parent, CP 86-941, is a progeny of CP 76-356 (a BC3 derivative of Hawaiian clone H 49-3646) X CP 78-304 (a BC3 derivative of S. spontaneum clone US 56-15-8). The paternal parent US 89-12 is a progeny of CP 79-348 (a BC3 derivative of S. robustum 28 NG 251) X US 80-24 (a BC2 derivative of S. spontaneum clone US 56-15-8). Thus, all four grandparents of Ho 95-988 are products of the basic breeding effort that was initiated at the SRU some 40 years ago. Ho 95-988 has been genotyped with four microsatellite markers. In yield trials, Ho 95-988 has produced about 7% greater total recoverable cane and sugar per hectare than LCP 85-384 in plant-cane, first-ratoon and second-ratoon crops. Ho 95-988 is considered to be an excellent ratooning cultivar. It has a high population of medium-sized stalks that turn purple when exposed to sunlight. Ho 95-988 is resistant to mosaic, rust, and leaf scald, and above average resistance to ratoon stunting disease. It has an intermediate reaction to smut, but is considered to be adequately resistant to be grown on large scale, without expectation of significant yield loss. Ho 95-988 is susceptible to the sugarcane borer and should not be grown in areas were insecticides cannot be applied. Overall, this cultivar will offer Louisiana producers some genetic diversification and potentially higher yields than LCP 85-384.