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 Citrus and Other Subtropical Products Research: Fort Pierce, FL
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ARS Home Southeast Area Fort Pierce, Florida U.S. Horticultural Research Laboratory Citrus and Other Subtropical Products Research Research Publications at this Location





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Title:   Author  item
                                            Zhao, Weiitem
                                            CHEN, HONG - Huazhong Agricultural Universityitem
                                            Bai, Jinheitem
                                            McCollum, Thomasitem
                                            Baldwin, Elizabeth

                                                         - *Liz*
  Submitted to: Meeting Abstract
                                    Publication Type: Abstract Only
                                    Publication Acceptance Date: 8/21/2014
                                    Publication  Date: N/A
                                    Citation: N/AInterpretive Summary:
                                Technical Abstract: Greening disease or Huanglongbing (HLB) is a serious issue for the citrus industry around the world as it can kill a citrus tree in two to ten years, and as of yet, there is no cure.  Our research showed that greening increased pre- and postharvest fruit stem-end rots, and pre-harvest fruit drop; increased growth of Diplidia in stem-end area, and other decay microorganisms in peel tissues. Greening disease positive fruit had tougher skin to against puncture, however, the fruit were softer and susceptible to pressure-caused breakdown.  Fruit from diseased trees did not color properly (hence the name “greening” disease), and conventional degreening did not induce orange color development in skin. To improve the fruit quality and decrease postharvest loss, we recommend the packinghouses to enhance the packingline fungicide applications to against microorganisms carried from pre-harvest; to reconsider/re-evaluate the degreening program because conventional degreening does not improve orange color development but induced decay.


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