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增施钾肥对红富士苹果叶片营养及果实品质的影响
引用本文:金会翠,张林森,李丙智,韩明玉,刘小刚.增施钾肥对红富士苹果叶片营养及果实品质的影响[J].西北农业学报,2007,16(3):100-104.
作者姓名:金会翠  张林森  李丙智  韩明玉  刘小刚
作者单位:西北农林科技大学园艺学院果树研究所,陕西西安,710065
基金项目:国家引进国际先进农业科学技术计划(948计划)
摘    要:对盛果期红富士苹果树进行不同水平钾肥处理,结果表明,钾能增加苹果果树叶片营养,所测9种元素N、P、K、Ca、Mg、Zn、Fe、Mn、Cu的含量中,除Zn的含量与对照相比下降外,其他元素与对照相比含量均增加,总体呈现先增加后减少的规律,在施钾肥600 kg/hm^2时各元素含量与对照相比增加较明显.同时处理后果实的单果重、硬度、着色、花青苷以及可溶性固形物的含量等品质指标也有所提高,同样呈现先增加后减少的规律,且在施钾肥600 kg/hm^2时果实各品质指标均提高较明显.表明施钾肥对红富士苹果叶片营养及果实品质都有促进作用,在施钾肥0~600 kg/hm^2范围内对各指标的影响呈上升趋势,并以600 kg/hm^2时效果最好,当超过600 kg/hm^2时叶片营养及果实品质虽与对照相比有所提高,但随着钾肥剂量的增加呈现下降趋势.

关 键 词:苹果  钾肥  叶片营养  果实品质
文章编号:1004-1389(2007)03-0100-05
收稿时间:2006-10-26
修稿时间:2006-10-262006-12-20

Effect of Potassium on the Leaf Nutrition and Quality of Red Fuji Apple
JIN Hui-cui,ZHANG Lin-sen,LI Bing-zhi,HAN Ming-yu and LIU Xiao-gang.Effect of Potassium on the Leaf Nutrition and Quality of Red Fuji Apple[J].Acta Agriculturae Boreali-occidentalis Sinica,2007,16(3):100-104.
Authors:JIN Hui-cui  ZHANG Lin-sen  LI Bing-zhi  HAN Ming-yu and LIU Xiao-gang
Institution:Pomology Institute, College of Horticulture, Northwest A & F University, Xi''an Shaanxi 710065, China;Pomology Institute, College of Horticulture, Northwest A & F University, Xi''an Shaanxi 710065, China;Pomology Institute, College of Horticulture, Northwest A & F University, Xi''an Shaanxi 710065, China;Pomology Institute, College of Horticulture, Northwest A & F University, Xi''an Shaanxi 710065, China;Pomology Institute, College of Horticulture, Northwest A & F University, Xi''an Shaanxi 710065, China
Abstract:Different levels potassium fertilizer were applied in this experiment in order to determine the effect of potassium on the alimentation of lamina and quality of red Fuji apple, set out the contents of N, P, K,Ca, Mg, Zn, Fe, Mn, Cu and 5 indexes of quality of fruit which were color percent,the weight per fruit, the flesh firmness, the soluble solids content and the anthocyanin content . The result showed that potassium can increase the alimentation of lamina , contents of the nine elements were increased in the mass, but content of Zn element appeared reducing completed with the CK, only one date of the six transactions was above the CK, The dates of contents of elements presented trend that the dates were climbing at first and then falling on the graph, when applied potassium 600 kg/hm^2 , the contents of all the elements behaved the best. At the same time the potassium could also improve the quality of fruit, potassium had remarkable effect on color percent, the weight per fruit, the flesh firmness, the soluble solids content and anthocyanin content, also presented trend that the dates were climbing at first and then falling on the graph, and when applied potassium 600 kg/hm^2 ,the dates of the quality behaved the best.. The result showed that potassium can improve both the alimentation of lamina and quality of red Fuji apple, and when applied potassium 600 kg/hm^2 ,all the indexes behaved best.
Keywords:Aapple  Potassium  Quality of fruit
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