GA3预处理对百合切花保鲜效果影响.pdf

ofAnhai 安徽农业科学。Journal Agn．Sci．2010-38(26)：14776二14778．14786责任编辑张彩丽责任校对况玲玲 GA3预处理对百合切花保鲜效果的影响 刘俊，耿兴敏’，芦建国，丁彦芬 (南京林业大学，江苏南京210037) 百合切花的瓶插寿命、形态指标和生理指标。[结果]适当浓度GA3(100mg／L)预处理可提高百合切花的s0D活性，遏制MDA的产生。 增加可溶性糖含量，但对提高花朵形态观赏价值的作用并不显著，对花青素合成等还具有一定的抑制作用。[结论]GA，预处理主要通 过有效延缓叶片的黄化，促进切花鲜重的增加来延长切花的瓶插寿命。 关键词百合切花；GA，；瓶插质量；预处理 中图分类号S682．2+9文献标识码A 文章编号0517—66ll(20tO)26—14776—03 Effectsof on ofCut Preservation GA，Pretreatments Lily LIU Junetal(NanjingForestryUniversity，Nanjing，Jiangsu210037) researchaimadto the effects oncut thebasisofbasic Abstract[Objective]ThestudypreservationofGAl lilies．[Method]On media(sucrose life and indicesofcutliliesunder weredetermined．neeffectsofadditionofdiffer- +8-HQ)，thespan，theshape GA3 physiology pretreatment entconcentrationsof tothebasic the andrelative indexwere postharvest GA3 components(sucrose+8-HQ)onquality physiologicalinvestiga- resultsshowed increased SOD thatsuitable the of the盼 ted．[Result]111e concentration(100ms／L)ofappliedGA3 activity enzyme，delayed cumulationof increasedthesoluble effectsof on malondialdehyde(MDA)andsugarscontent．However，theGA3 postharvestquality application ofcutflowerswerenot at concentrationsdecreasedthe results significant．Inaddition，GA3 anthocyanincontent“Conclusion]，11lesuggested any that the ofcutlilies leaf water and thefresh GA3 applicationdelayeda舀ng bydelayingehlorosis，promotinguptakecapacityincreasingweight ofcutst