不同植物生长调节剂对有刺黄龙果保果和果实品质的影响  

Effects of different plant growth regulators on fruit retention and fruit quality of yellow pitaya(Selenicereus megalanthus)

作　　者：唐景美 蒋娟娟 周之珞 周彩霞 罗培四 欧善生 颜桢灵 覃连红 TANG Jingmei;JIANG Juanjuan;ZHOU Zhiluo;ZHOU Caixia;LUO Peisi;OU Shansheng;YAN Zhenling;QIN Lianhong(Guangxi South Subtropical Agricultural Science Research Institute,Longzhou,Guangxi,532415,China;Guangxi Vocational University of Agriculture,Nanning,Guangxi,530007,China)

机构地区：[1]广西南亚热带农业科学研究所,广西龙州532415 [2]广西农业职业技术大学,南宁530007

出　　处：《中国南方果树》2025年第1期97-101,共5页South China Fruits

基　　金：广西农业科学院基本科研业务专项(桂农科2023YM37);中央引导地方科技发展专项(桂科ZY19183010)资助。

摘　　要：为研究植物生长调节剂对有刺黄龙果保果率和果实品质的影响,以2年生长果形有刺黄龙果为试验材料,分两阶段开展试验。第一阶段,以不同植物生长调节剂28-表高芸苔素内酯0.4 mg/L、6-苄氨基腺嘌呤(6-BA)100 mg/L、ɑ-萘乙酸钠(NAA)80 mg/L、赤霉素(GA_(3))80 mg/L作为处理组,以喷施清水为对照(CK),喷施有刺黄龙果果实4次(每次间隔15 d),对着果率和单果质量进行分析比较,筛选出2个效果较好的植物生长调节剂进行第二阶段试验。第二阶段,以不同浓度的2种植物生长调节剂进行互配组合(设置T1:GA_(3)20 mg/L+NAA 20 mg/L,T2:GA_(3)50 mg/L+NAA 50 mg/L,T3:GA_(3)80 mg/L+NAA 80 mg/L,T4:GA_(3)110 mg/L+NAA 110 mg/L)作为试验处理组,以喷施清水为对照组(CK),喷施有刺黄龙果果实4次(每次间隔15 d),对果实农艺性状、外观形状和营养成分进行测定分析。结果表明,第一阶段试验的4种植物生长调节剂中GA_(3)和NAA效果较好,可显著提高保果率和单果质量;第二阶段试验的不同浓度植物生长调节剂组合4种处理均优于CK,其中,GA_(3)80 mg/L+NAA 80 mg/L处理的效果最佳,对有刺黄龙果保果和果实品质最佳。In order to study the effect of the plant growth regulator on fruit retention rate and fruit quality of yellow pitaya,2-year-old yellow pitaya plants were used as materials to carry out a two-stage experiment.In the first stage,different plant growth regulators,including 28-Epihomobrassinolide 0.4 mg/L,6-BA 100 mg/L,NAA 80 mg/L,GA_(3)80 mg/L,were used as treatments with clear water as control.Yellow pitaya fruits were sprayed four times(in a 15d of interval)with these plant growth regulators,and the fruit set rate and single fruit weight were analyzed and compared to select two more effective plant growth regulators for the second stage of the experiment.In the second stage,two kinds of plant growth regulators in different concentrations were combined with each other(T1:GA_(3)20 mg/L+NAA 20 mg/L,T2:GA_(3)50 mg/L+NAA 50 mg/L,T3:GA_(3)80 mg/L+NAA 80 mg/L,T4:GA_(3)110 mg/L+NAA 110 mg/L)as treatments,clear water as control.Yellow pitahaya fruits were sprayed four times(in a 15 d of interval)with those combinations of plant growth regulators.The agronomic traits,appearance and shape,and nutrient content of the fruits were determined and analyzed.The results showed that among the four plant growth regulators tested in the first stage of the experiment,GA_(3)and NAA were more effective,which could significantly increase the fruit retention rate and single fruit weight.In the second stage of the experiment,the effect of four treatments were better than that of CK,among which,the GA_(3)80 mg/L+NAA 80 mg/L treatment was the most effective.It had the best effect on the fruit retention and fruit quality of the yellow pitaya fruit.

关 键 词：有刺黄龙果 赤霉素 ɑ-萘乙酸钠 保果 果实品质 

分 类 号：S667.9[农业科学—果树学]