[1]陈宇春,宁娅,杨廷梅,等.不同磷水平果园澳洲坚果排根代谢及对磷吸收差异[J].江苏农业科学,2026,54(2):175-184.
 Chen Yuchun,et al.Differences in root metabolism and phosphorus absorption of macadamia in orchards with different phosphorus levels[J].Jiangsu Agricultural Sciences,2026,54(2):175-184.
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不同磷水平果园澳洲坚果排根代谢及对磷吸收差异()

《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第54卷
期数:
2026年第2期
页码:
175-184
栏目:
园艺与林学
出版日期:
2026-01-20

文章信息/Info

Title:
Differences in root metabolism and phosphorus absorption of macadamia in orchards with different phosphorus levels
作者:
陈宇春1宁娅1杨廷梅1杨仙武2王正成3贺熙勇1岳海1
1.云南省热带作物科学研究所/云南省澳洲坚果农业工程研究中心/云南省木本油料技术创新中心,云南景洪 666100; 2.云南省云县林业与草原局,云南云县 675800; 3.云县正成农业开发有限公司,云南云县 675800
Author(s):
Chen Yuchunet al
关键词:
澳洲坚果排根根系分泌物不同磷水平代谢组
Keywords:
-
分类号:
S664.06
DOI:
-
文献标志码:
A
摘要:
为了更好地了解不同磷水平下澳洲坚果排根不同发育阶段分泌物响应特征及其对磷的吸收利用效果,利用代谢组学技术分析不同磷水平下排根的不同发育阶段代谢调节及叶片磷含量测定和排根数量进行统计分析。结果表明:(1)在不同磷水平下的澳洲坚果排根中共检测到2 706种代谢物,主要包括其他类化合物、萜类、脂质、氨基酸及其衍生物等;(2)在不同磷水平下,排根的同时期代谢物差异显著,与低磷水平相比,高磷水平会抑制幼嫩期、发育期、成熟期澳洲坚果排根代谢,导致下调代谢物数量较多;(3)KEGG富集分析结果显示,在不同磷水平下,同发育时期排根的差异代谢物主要参与氨酰基tRNA生物合成、ABC转运器、亚油酸代谢、花生四烯酸代谢、类黄酮生物合成等途径;黄酮类化合物槲皮素、柚皮素、山柰酚均在中磷水平果园中显著表达,芹菜素在低磷水平果园中显著表达;TCA循环(柠檬酸循环)途径在排根衰老期显著富集,异柠檬酸、琥珀酸在低磷、中磷水平果园中均显著表达,氧戊二酸、柠檬酸均在低磷水平果园中显著表达;(4)在中磷水平下,澳洲坚果果园叶片全磷含量、排根数量分别比低磷水平果园和高磷水平果园提高了18.00%、37.27%和34.35%、76.93%。由结果可知,中磷水平能促进澳洲坚果叶片全磷含量的积累和排根形成,类黄酮生物合成途径的显著富集响应澳洲坚果在不同磷水平下的代谢调节,进一步丰富了不同磷水平对澳洲坚果影响的理论研究。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2025-07-18
基金项目:国家自然科学基金(编号:32160743);云南省热带作物科技创新体系建设专项(编号:RF2025-13);兴滇英才支持计划(编号:2022-0068)。
作者简介:陈宇春(1995—),女,云南昭通人,硕士,研究实习员,主要从事热带果树生理生态方面的研究。E-mail:Yuchun0110@163.com。
通信作者:岳海,硕士,研究员,主要从事热带果树生理生态方面的研究。E-mail:yuehaiwzh@126.com。
更新日期/Last Update: 2026-01-20