|本期目录/Table of Contents|

[1]戈慧敏,郭震宇.甘氨酸与尿素配施对桃树光合作用、糖代谢及果实品质的影响[J].江苏农业科学,2023,51(12):121-127.
 Ge Huimin,et al.Influences of glycine combined with urea on photosynthesis,sugar metabolism and fruit quality of peach[J].Jiangsu Agricultural Sciences,2023,51(12):121-127.
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甘氨酸与尿素配施对桃树光合作用、糖代谢及果实品质的影响(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第51卷
期数:
2023年第12期
页码:
121-127
栏目:
园艺与林学
出版日期:
2023-06-20

文章信息/Info

Title:
Influences of glycine combined with urea on photosynthesis,sugar metabolism and fruit quality of peach
作者:
戈慧敏郭震宇
山西运城农业职业技术学院,山西运城 044000
Author(s):
Ge Huiminet al
关键词:
甘氨酸尿素光合作用荧光参数糖代谢品质
Keywords:
-
分类号:
S662.106
DOI:
-
文献标志码:
A
摘要:
采用原位培养试验,设置尿素(U)/甘氨酸(G)共5个比例(100/0、70/30、50/50、30/70、0/100),分别记为U100G0、U70G30、U50G50、U30G70、U0G100,以不施氮肥为对照(CK),探索甘氨酸与尿素配施对桃树光合作用、糖代谢及果实品质的影响。结果表明,尿素与甘氨酸不同配施比例对桃树光合生理、糖含量、糖代谢酶及品质的影响不同。高比例的甘氨酸处理(U30G70、U0G100)可显著提高光合色素(叶绿素a、叶绿素b、类胡萝卜素)含量(P<0.05)、促进气孔开放和提高净光合速率,改善叶绿素荧光特征(PSⅡ最大光化学效率、光化学荧光淬灭系数、实际光化学效率、非光化学荧光淬灭系数),提高以可溶性糖、蔗糖为主的糖组分含量,增强糖代谢酶(蔗糖合成酶、细胞壁蔗糖转化酶、蔗糖分解酶、蔗糖磷酸合酶、细胞质蔗糖转化酶)的活性。说明高比例的甘氨酸可促进叶部糖贮存及糖向果实转移,整体以U30G70处理优于U0G100处理。此外,U30G70处理的桃鲜质量、可溶性固形物含量、维生素C含量、可溶性糖含量均较高,可滴定酸含量最低。综上,在桃树种植中,尿素与甘氨酸适宜的配施比例可显著提高桃树的光合作用,增加叶部糖含量及糖代谢酶活性,从而改善桃品质,以尿素/甘氨酸配施比例为30%/70%处理效果最佳。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2022-12-04
基金项目:山西省农业技术推广项目(编号:2020cyyl-17)。
作者简介:戈慧敏(1982—),女,山西运城人,硕士,讲师,主要从事果树技术研究。E-mail:gehuimin@163.com。
更新日期/Last Update: 2023-06-20