Effectiveness of Iron Ethylenediamine-N,N′-bis(hydroxyphenylacetic) Acid (o,o-EDDHA/Fe3+) Formulations with Different Ratios of Meso and d,l-Racemic Isomers as Iron Fertilizers

被引：10

作者：

Alcaniz, Sara ^{[1
]}

Jorda, Juana D. ^{[1
]}

Cerdan, Mar ^{[1
]}

机构：

[1] Univ Alicante, Fac Sci, Agrochem & Biochem Dept, Alicante 03690, Spain

来源：

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY | 2017年 / 65卷 / 02期

关键词：

iron chelates; Lycopersicon esculentum Mill; o; o-EDDHA/Fe3+; isomers; iron uptake; iron nutrition; hydroponic culture; FERRIC-CHELATE REDUCTASE; FEEDDHA-ISOMERS; TOMATO PLANTS; FE UPTAKE; DEFICIENCY; PH; CHLOROPHYLL; CHLOROSIS; BEHAVIOR; ACQUISITION;

D O I：

10.1021/acs.jafc.6b03274

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

Two o,o-EDDHA/Fe3+ formulations (meso, 93.5% w/w of meso isomer; and d,l-racemic, 91.3% w/w of 4,1racemic mixture) were prepared, and their efficacy to avoid or to relieve iron deficiency in Fe-sufficient and Fe-deficient tomato plants grown on hydroponic solution was compared with that of the current o,o-EDDHA/Fe3+ formulations (50% of meso and d,/-racemic isomers). The effectiveness of the three o,o-EDDHA/Fe3+ formulations was different depending on the iron nutritional status of-plants. The three o;o-EDDHA/Fe3+ formulations tested were effective in preventing iron chlorosis in healthy plants. However; the higher the meso concentration: in the formulations, the higher the effectiveness in the recovery of iron chlorotic plants from iron deficiency. Accordingly, o,o-EDDHA/Fe3+ formulations rich in meso isomer are recommended in hydroponic systems.

引用

页码：253 / 259

页数：7

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