摘要
为了改善当前芒果生产技术的相对落后的局面,全面了解和掌握芒果的营养规律显得至关重要。通过对海南省三亚市红金龙芒果叶片中N、P、K、Ca、Mg、S、Fe、Mn、Cu、Zn、B等11种营养元素含量进行全年跟踪分析,较全面的得出红金龙芒果叶片的养分变化规律,可将红金龙芒果的生长周期分为4个阶段:营养生长期(5—9月)、生殖生长期(9—11月)、果实膨大期(11月—2月)和果实成熟期(2—4月)。各阶段叶片养分含量变化规律有所差异:营养生长期,叶片中营养元素除K含量有所下降之外,其余营养元素均有不同程度的升高;生殖生长期,叶片中的营养元素N、B、Ca含量上升,其他元素含量有不同程度的下降;果实膨大期,叶片中的N、K、Mn、Fe、Zn、B含量下降,Ca、Cu含量上升,P、S、Mg含量趋于平稳;果实成熟期,叶片中N、Mn、Fe、B、Cu含量均有不同程度增加,K、Ca、S、Zn含量有所降低;在整个生育期内,叶片中P、Mg、S、Zn等元素含量变化不大,呈锯齿状波动。本研究对于目前新的芒果栽培管理模式下营养诊断和养分综合管理都有重要的参考价值。
It becomes more and more important to find out the rules of nutrition contend in mango leaves for the technology of mango production is behindhand. After monthly sample and analysis the eleven nutrient elements such as Nitrogen, Phosphor, Potassium, Calcium, Magnesium, Sulfur, Iron, Manganese, Cuprum, Zinc and Boron contend in Hongjinlong mango leaves in Sanya in Hainan for a whole year, we can generally find out the change rules of the nutrition content in Hongjinlong mango leaves, and divide the whole growth cycle to four phases： vegetative growth phase, which is from May to September; reproductive growth phase, which is form September to December; fruit enlargement phase, which is from December to February; fruit maturation phase, which is from February to April. The change rules are not the same in different phases： during the vegetative growth phase, the content of all ten nutrient elements in leaves increased but Potassium declined; during the reproductive growth phase, the content of Nitrogen, Boron, Calcium in leaves increased, and the other declined; during the fruit enlargement phase, the content of Nitrogen, Potassium, Manganese, Iron, Zinc, Boron in leaves declined, the content of Calcium, Cuprum in leaves increased, and the content of Phosphor, Sulfur, Magnesium in leaves changed slightly; during the fruit maturation phase, the content of Nitrogen, Manganese, Iron, Boron, Cuprum in leaves increased in different degrees, the content of Potassium, Calcium, Sulfur, Zinc in leaves declined. During the whole growth cycle, the content of Phosphor, Magnesium, Sulfur and Zinc in leaves fluctuating like indentation. This research is an important consult to the nutrition diagnosis and the comprehensive management with the new mode of mango production technology.
出处
《中国农学通报》
CSCD
2008年第4期430-433,共4页
Chinese Agricultural Science Bulletin
基金
农业部948引进项目"芒果良种和产业化技术引进与推广"(2006-G33)
农业行业科技项目"芒果规范栽培及冷藏气调贮藏技术研究"(ny-hyzx07-032)
关键词
海南
红金龙
叶片
营养元素
变化规律
Hainan, Hongjinlong, leaves, nutrition element, change law
