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Sugarcane yield loss due to ratoon stunt
- The yield response of recently released CP-cultivars to ratoon stunt has not been determined. Cane and sugar yields of Liefsonia xyli subsp. xyli (Lxx)-infected and healthy sugarcane plants of cultivars that are currently major commercial cultivars that have not been in prior tests as well as former cultivars that have been included in previous tests were compared in three field experiments. Yield trials were established by planting either inoculated or Lxxinfected stalks and stalks from healthy plants for comparison in the plant and first ratoon crops. Plants infected with Lxx had fewer stalks, and reduced sugar and cane yields compared with healthy plants. Although the yield losses were not always significant, the trends were consistent among all three trials. The results indicate that ratoon stunt can cause cane and sugar losses in commercial cultivars currently grown in the Florida sugarcane industry, and control practices should be used. Although CP 72-2086 is considered resistant to spread and had fewer plants infected after inoculation than other cultivars, infected plants had significant losses in one trial.
Comstock, Jack C.
Saccharum , sugarcane , sugar crops , crop yield , ratooning , Leifsonia xyli subsp. xyli , plant pathogenic bacteria , ratoon stunting disease , cultivars , disease incidence , Florida
- Includes references
- Journal of the American Society of Sugar Cane Technologists 2008. v. 28
Journal Articles, USDA Authors, Peer-Reviewed
- Works produced by employees of the U.S. Government as part of their official duties are not copyrighted within the U.S. The content of this document is not copyrighted.