摘要
以缓释配方肥调控胡椒源叶淀粉累积影响胡椒生殖生长过程为研究对象,基于胡椒养分需求规律,采用不同量的缓释配方肥处理4龄胡椒,测定胡椒源叶养分含量、光合作用参数、糖代谢指标以及花穗数量等指标。结果表明,1/2的缓释配方肥处理有效调节了胡椒主花期产量生理学过程,显著增加了胡椒主花期后期源叶蔗糖含量,降低了源叶淀粉含量,从而促进花穗数目增加。化学肥料的减量施用并未降低胡椒产量,说明适量施肥可以正调控产量生理学过程,提高养分效率。
In this study,the effects of slow-release formula fertilizer regulating the accumulation of starch in pepper source leaves on the reproductive growth of pepper were studied.Based on the rule of pepper nutrient demand,different amount of slow-release formula fertilizer were used to treat pepper at the age of four years,and the indexes of nutrients content in pepper source leaves,photosynthetic parameters,glucose metabolism and the spike numbers were determined.The results showed that the 1/2 slow-release formula fertilizer could effectively regulate the physiological process of pepper yield at the main flowering stage,significantly increased the sucrose content in the source leaf and decreased starch content in the source leaves at the late main flowering stage,thus effectively promoted the increase of panicle numbers.Reduction of chemical fertilizer application did not reduce pepper yield,indicating that appropriate could positively regulate the physiological process of yield and improve nutrient efficiency.
作者
李志刚
祖超
李文平
林蓉
杨建峰
王灿
鱼欢
郑维全
LI Zhigang;ZU Chao;LI Wenping;LIN Rong;YANG Jianfeng;WANG Can;YU Huan;ZHENG Weiquan(Spice and Beverage Research Institute,Chinese Academy of Tropical Agricultural Sciences/Key Laboratory of Genetic Resources Utilization of Spice and Beverage Crops,Ministry of Agriculture/Hainan Provincial Key Laboratory of Genetic Improvement and Quality Regulation for Tropical spice and Beverage Crops,Wanning 571533,China;College of Tropical Crops,Yunnan Agricultural University,Puer 665099,China)
出处
《河南农业大学学报》
CAS
CSCD
2021年第5期875-881,共7页
Journal of Henan Agricultural University
基金
中国热带农业科学院基本科研业务费(1630142019002、1630142017012)
海南省科协青年科技英才创新计划项目(QCXM201909)。
关键词
缓释肥
花穗
源叶
光合作用
糖代谢
slow-release fertilizer
panicle
source leaves
photosynthesis
glucose metabolism
