YU Qingfeng,GUO Jing,HU Chaoqiong,et al.Dynamic Changes of Nutrient in ‘Youhou’ Sweet Persimmon Leaves[J].Northern Horticulture,2018,42(12):36-41.[doi:10.11937/bfyy.20174347]
“阳丰”甜柿叶片养分动态
- Title:
- Dynamic Changes of Nutrient in ‘Youhou’ Sweet Persimmon Leaves
- Keywords:
- ‘Youhou’ persimmon; mineral element; fertilization
- 文献标志码:
- A
- 摘要:
- 以12年生“阳丰”甜柿为试材，对叶片养分动态进行分析，总结“阳丰”甜柿需肥规律，为建立高效的“阳丰”甜柿园施肥管理模式提供参考依据。结果表明：叶片中氮含量变化趋势为先增加后减少，于盛花期出现峰值，最高达到548 g·kg-1；叶片中磷含量的变化规律与氮含量类似。钾含量的变化波动较多，会于9月中旬出现峰值，约为205 g·kg-1。钙在叶片内的含量始终保持逐渐增加的趋势。镁含量始终逐渐增加。锌含量在花期降到较低水平之后略有波动。铁在叶片中含量较低，始终处于波动的状态。锰含量始终逐渐增加。
- Abstract:
- The 12-year-old ‘Youhou’ persimmonin plants were used as materials,the dynamic change of nutrient content in leaves was analysed in order to provide reference for the establishment of an efficient fertilization management model of ‘Youhou’ persimmon.The results showed that the content of nitrogen increased firstly and then decreased.Nitrogen content peaked at flowering of 548 g·kg-1.The change of phosphorus content in leaves was also similar.Changes in potassium content fluctuated more,peaked in mid-September of 205 g·kg-1.Calcium content in the leaves always maintained a gradual increase in the trend.Magnesium content gradually increased.Zinc content fluctuated slightly after the flowering stage drops to a low level.Iron content had no significant changes in the young fruit.Manganese content gradually increased.
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备注/Memo
第一作者简介：禹庆峰（1993-），女，山西晋中人，硕士研究生，研究方向为果树生理生态。E-mail：1261226690@qq.com.责任作者：杨勇（1964-），男，硕士，副研究员，硕士生导师，现主要从事柿种质资源收集整理保存及鉴定评价等研究工作。E-mail:yang.yong521@163.com.基金项目：陕西省科技厅科技统筹资助项目（2016KTTSNY01-02,2016KTTSNY01-06）。收稿日期：2018-03-07