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Title: Notice of release of sugarcane variety HoCP 00-950

Author
item Tew, Thomas
item Dufrene, Edwis
item Garrison, Donnie
item White, William
item Grisham, Michael
item Pan, Yong-Bao
item Richard Jr, Edward
item LEGENDRE, BENJAMIN - LSU AG CTR, BATON ROUGE,
item Miller, Jimmy

Submitted to: Sugar Bulletin
Publication Type: Trade Journal
Publication Acceptance Date: 9/20/2007
Publication Date: 9/20/2007
Citation: Tew, T.L., Dufrene Jr, E.O., Garrison, D.D., White, W.H., Grisham, M.P., Pan, Y.-B., Richard Jr, E.P., Legendre, B.L., Miller, J.D. 2007. Notice of release of sugarcane variety HoCP 00-950. Sugar Bulletin. 85(9):21-23.

Interpretive Summary:

Technical Abstract: The Agricultural Research Service of the United States Department of Agriculture, the Louisiana Agricultural Experiment Station of the Louisiana State University Agricultural Center, and the American Sugar Cane League of the U.S.A., Inc., working cooperatively to develop improved sugarcane varieties, have jointly evaluated and released the new variety, HoCP 00-950, for commercial planting in the summer of 2007. HoCP 00-950 is a progeny of the cross HoCP 93-750 x HoCP 92-676 made at Canal Point (CP) Florida in 1995 and selected at Houma (Ho), Louisiana, in 1997. Yield data from a total of 51 mechanically harvested trials in environments representative of the sugar industry in Louisiana indicate that HoCP 00-950 produces similar gross cane yields as HoCP 96-540 (31.7 vs. 32.3 tons/acre = 98%) but because of its high sugar content at harvest (296 vs. 276 lbs sugar/ton of cane = 107%), its recoverable sugar per acre has been slightly higher (9380 vs. 8940 lbs sugar/acre = 105%) in combined plant, first-ratoon and second-ratoon crop harvests. HoCP 00-950 is resistant to sugarcane mosaic virus (strains A, B, and D) and sorghum mosaic virus (strains H, I, and M). The variety is resistant to smut (Ustilago scitaminea Sydow) and rust (Puccinia melanocephala H. and P. Syd.) and is moderately susceptible to leaf scald [Xanthomonas albilineans (Ashby) Dowson]. It is more susceptible to ratoon stunting disease (Leifsonia xyli subsp. xyli) than most sugarcane varieties. HoCP 00-950 is susceptible to the sugarcane borer [Diatraea saccharalis (Fabricius)]. Hence, it should not be grown in areas where insecticides cannot be applied. It is anticipated that HoCP 00-950 will make its greatest contribution in on-farm ripener management. If growers are unable to timely ripen cane due to inclement weather or if ripener efficacy is diminished due to environmental conditions, HoCP 00-950 could be used to correct the ripener schedule and/or to allow other varieties adequate time for optimal artificial ripening.