生长调节剂对板栗结实情况和果实品质的影响.pdf

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1、中国枣通报2015，31(16)：83—87ChineseAgriculturalScienceBulletin生长调节剂对板栗结实情况和果实品质的影响寇艳茹。苏淑钗(北京林业大学，北京100083)摘要：为了降低板栗空苞率和提高板栗果实品质，寻求合适的喷施生长调节剂的方法。以‘遵玉’为试材，于不同时期对板栗喷施不同的生长调节剂，探究生长调节剂对板栗结实情况和果实品质的影响。结果表明：盛花始期喷施SA可显著提高板栗实蓬率、每苞中板栗的个数和可溶性糖、淀粉和蛋白质含量，其中以0．2nmol／L效果最佳，相比于对照组分别提高了15．50％、79．64

2、％、l9．20％、11．20％和6．09％；板栗幼胚发育前喷施0．01mg／LBR可显著提高板栗实蓬率、可溶性糖和蛋白质含量，分别提高了14．16％、26．37％和5．69％，而喷施0．001nag／LBR可显著提高板栗实蓬率和每苞中板栗的个数，分别提高了19．42％和125．56％，其中每苞坚果个数增幅高达125．56％，可显著提高板栗产量。因此，建议于板栗盛花始期喷施0．2nmol／LSA，于幼胚发育前喷施0．001mg／LBR或0．01nag-BR，以提高板栗产量和品质。关键词：板栗；生长调节剂；结实情况；果实品质中图分类号：$664．2文

3、献标志码：A论文编号：casb15010092EffectofPlantGrowthRegulatorsonFruitingConditionsandNutQualityofChestnutKouYanru，SuShuchm【Be珏iForestryUniversity，Beijing100083Abstract：InordertoreducetheemptyshellratioandimprovenutqualityofChinesechestnut，toseeksuitablegrowthregulatorsprayingmethod，wit

4、hchestnut‘Zunyu’astestmaterial，theauthorsprayeddiferentgrowthregulatorsatdiferentstagesofchestnut，andexploredtheimpactofgrowthregulatorsOilfruitingconditionsandnutquality．Theresultsshowedthat：atthebeginningoffullbloom，sprayingSAcouldsignificantlyimprovethefruitingrate，thenumb

5、erofnutsineachbud，solublesugarscontent，starchcontentandproteincontentofchestnut，whichcouldbeincreasedby15．50％，79．64％，19．20％，11．20％and6．o9％，respectively，comparedtothatofthetreatmentCK．andthebestsprayingwas0．2nmol／L．SprayingO．01mg／LBRbeforetheperiodofimmatureembryodevelopmentco

6、uldsignificantlyincreasethefruitingrate，solublesugarcontentandproteincontent，whichcouldbeincreasedby14．16％，26．37％and5．69％，respectively，andspraying0．001ms／LBRbeforetheperiodofimmatureembryodevelopmentcouldsignificantlyincreasethefruitingrateandthenumberofnutsineachbud，whichcou

7、ldbeincreasedby19．42％and125．56％，andthenumberofnutsineachbudcouldbeincreasedupto125．56％，significantlyimprovetheyieldofchestnut．Therefore，itisrecommendedtospray0．2nmol／LSAatthebeginningoffullbloomandspray0．001mLBRor0．01mg，LBRbeforetheperiodofimmatureembryodevelopment，toimprovet

8、heyieldandqualityofchestnut．Keywords：chestnut；plantgrowthregulators；