外源2,4-表油菜素内酯及褪黑素对樱桃番茄果实品质和果皮形态结构的影响  

Effects of exogenous 2,4-Epibrassinolide and melatonin on fruit quality and peel morphology of cherry tomato

作　　者：张福林 李宁[2] 刘宇翔 陈怡佳 余庆辉[2] 闫会转 ZHANG Fulin;LI Ning;LIU Yuxiang;CHEN Yijia;YU Qinghui;YAN Huizhuan(College of Horticulture,Xinjiang Agricultural University,Urumqi 830052,China;Key Laboratory of Genome Research and Genetic Improvement of Xinjiang Characteristic Fruits and Vegetables/Institute of Horticultural Crops,Xinjiang Academy of Agricultural Sciences,Urumqi 830091,China)

机构地区：[1]新疆农业大学园艺学院,乌鲁木齐830052 [2]新疆农业科学院园艺作物研究所/新疆特色果蔬基因组研究与遗传改良重点实验室,乌鲁木齐830091

出　　处：《新疆农业科学》2024年第7期1738-1747,共10页Xinjiang Agricultural Sciences

基　　金：国家自然科学基金项目(32260763);新疆农业科学院科技创新专项孵化项目(xjkcpy-2021001);新疆维吾尔自治区重点研发计划项目子课题(2022B02032-2);新疆维吾尔自治区蔬菜产业技术体系(绿色栽培岗)。

摘　　要：【目的】研究不同浓度的2,4-表油菜素内酯(EBR)和褪黑素(MT)处理对樱桃番茄果实生长发育过程中的果实品质和果皮形态结构的影响,为提高樱桃番茄果实品质提供一定理论或技术支撑。【方法】以樱桃番茄果实为材料,在樱桃番茄膨大期、绿熟期、转色期、红熟期喷施3种浓度的EBR和MT,分析果实的品质和细胞结构。【结果】累计喷施植物生长调节剂,在果实进入红熟期均产生不同程度的影响,单果质量在100μmol/L的MT处理下显著高出对照组29.96%;果实硬度在0.1 mg/L的EBR处理下与对照组相比提升了17.21%;0.1 mg/L的EBR和100μmol/L的MT分别是2种植物生长调节剂中糖酸比、可溶性蛋白、VC相比于对照(CK)提升最高的,分别提升了51.14%和58.81%、37.96%和39.40%、49.05%和27%;0.05 mg/L的EBR和100μmol/L的MT分别是2种植物生长调节剂中可溶性固形物提升最高的,分别提升了24.01%和44.10%;3种EBR处理下外表皮与CK相比均有所提高;厚角组织在0.1 mg/L的EBR处理下与对照组相比增加了10.06%。【结论】0.1 mg/L的EBR处理下的樱桃番茄的耐贮藏性和运输性较佳,100μmol/L的MT处理下的樱桃番茄内在品质更佳。【Objective】To study the effects of different concentrations of EBR and MT treatments on the quality of cherry tomato fruits during growth and development,in order to provide some theoretical or technical support for improving the quality of cherry tomato fruits.【Methods】Cherry tomato fruits were sprayed with three concentrations of EBR and MT at the expansion,green ripening,color change and red ripening stages to determine the fruit quality and cell structure.【Results】Cumulative spraying of plant growth regulators under all six treatments was found to produce varying degrees of effect at the time of fruit entry into the red ripening stage,and the mass of single fruit was significantly higher than the control by 29.96%under the MT treatment of 100μmol/L;Fruit hardness is enhanced by 17.21%under EBR treatment of 0.1 mg/L compared to the control;EBR at 0.1 mg/L and MT at 100μmol/L were the highest enhancements in sugar-acid ratio,soluble protein,and vitamin C compared to control(CK)for both plant growth regulators,with 51.14%and 58.81%,37.96%and 39.40%,37.96%and 39.40%,49.05%and 27%,respectively;EBR at 0.05 mg/L and MT at 100μmol/L were the highest elevations of soluble solids among the two plant growth regulators with 24.01%and 44.10%,respectively;The outer epidermis increased under all three EBR treatments compared to CK;thick horn tissue increased by 10.06%under 0.1 mg/L EBR treatment compared to the control.【Conclusion】It was found that cherry tomatoes under 0.1 mg/L EBR treatment had better storage and transportation resistance,and cherry tomatoes under 100μmol/L MT treatment had better intrinsic quality.

关 键 词：樱桃番茄 2 4-油菜素内酯 褪黑素 果实品质 石蜡切片 

分 类 号：S641.2[农业科学—蔬菜学]