苹果不同施肥方式对铁的吸收、运输与分配的影响

园艺学报 ›› 2006, Vol. 33 ›› Issue (3): 597-600.

苹果不同施肥方式对铁的吸收、运输与分配的影响

王秀茹¹;薛进军^{1, 2*};杨青芹¹;台社珍¹;李绍华³;张福锁⁴

(¹ 河北工程学院农学院, 河北永年057150; ² 广西大学农学院, 广西南宁530005; ³中国科学院植物研究所, 北京100093; ⁴ 中国农业大学, 北京100094)

收稿日期:2005-04-20 修回日期:2005-08-01 出版日期:2006-06-25 发布日期:2006-06-25

The Reaserch about the Absorption, Transportation and Distr ibution of Ironin Apple Trees by Using Different Fertilize Methods

Wang Xiuru¹;Xue Jinjun^{1, 2*};Yang Qingqin¹;Tai Shezhen¹;Li Shaohua³;Zhang Fusuo⁴

(¹Agricultural Department of Hebei Engeneering College, Yongnian, Hebei 057150, China; ²Guangxi University, Nanning, Guangxi 530005, China; ³Institute of Botany, the Chinese Academy of Sciences, Beijing 100093, China; ⁴China Agricultural University, Beijing 100094, China)

Received:2005-04-20 Revised:2005-08-01 Online:2006-06-25 Published:2006-06-25

摘要/Abstract

摘要： 红色邻二氮杂菲铁示踪结果表明: 二价铁肥根系输液以二价态由根被动吸收, 由靠近形成层的木质部, 运输到根、茎、叶及其主脉内, 运输速度每小时可达数十厘米。室内营养液培养的八棱海棠苗用⁵⁹Fe示踪, 结果表明, 断根中分配的⁵⁹Fe为19.3% , 叶中70.9% , 断1、2、3条根⁵⁹Fe在叶中分配的比例分别为57.9%、63.6%和68.0%。铁肥树干强力高压注射以二价铁沿中央木质部的导管运输, 大部分向下运往根系, 根中贮存大量的铁, 向上运输稍难。运输速度每小时达数百厘米, 矫正缺铁失绿症的速度比根系输液慢, 但由于根中贮存大量的铁, 持效期较长。铁可以通过枝条和叶片进入树体并且运输。

关键词: 苹果, 铁, 吸收, 运输, 分配

Abstract: The red O-phenanthroline Fe and ⁵⁹Fe was used to study the absorption, transportation and distribution of iron in the apple trees. Fe^{2 +} was absorbed by root and transported to stem, leaves and main vein when iron fertilizer was root injected. Fe^{2 +} was transported along xylem near cambium. The speed of
transportation reached dozens centimeter per hour. Distribution of ⁵⁹ Fe in cutting root and leaves was 19.3% and 70.9% , respectively. The ratio of iron distributed in leaves by cutting the one, two, three roots were 57.9% , 63.6% and 68.0% , respectively. When the trunk was injected with iron fertilizer with high-pressure, Fe^{2 +} was transported along the central xylem, most of Fe^{2 +} was transported to the root and stored in it. The speed of transportation reached several hundreds centimeter per hour. When the trunk was injected
with iron fertilizer, the covery of iron deficiency chlorosis trees was slower and the effect of correcting iron deficiency chlorosis lasted longer than iron fertilizer was root injected. Iron fertilizer could be absorbed and transported by branch and leaves.

Key words: Apple, Iron, Absorption, Transportation, Distribution

王秀茹;薛进军;;杨青芹;台社珍;李绍华;张福锁. 苹果不同施肥方式对铁的吸收、运输与分配的影响[J]. 园艺学报, 2006, 33(3): 597-600.

Wang Xiuru;Xue Jinjun;;Yang Qingqin;Tai Shezhen;Li Shaohua;Zhang Fusuo. The Reaserch about the Absorption, Transportation and Distr ibution of Ironin Apple Trees by Using Different Fertilize Methods[J]. ACTA HORTICULTURAE SINICA, 2006, 33(3): 597-600.

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