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EDDHA-Fe矫治柑桔缺铁黄化试验 被引量:7

Exporiments of the Correction of Citrus Chlorosis Caused by Iron Deficiency with EDDHAFe
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摘要 采用EDDHAFe在高钙、高pH值土壤柑桔园进行连续两年试验表明,土壤施用EDDHAFe可以矫治钙质紫色土中枳砧柑桔树的缺铁黄化症,成倍地提高叶绿素含量,一般连续两年较大剂量处理后,黄化症状可基本消失,明显增加单株果实产量,对甜橙果实品质有良好影响的趋势。在EDDHAFe的两种剂型中,叶绿灵的效果优于绿喜旺,较大剂量施用的效果优于低剂量。认为土壤施用EDDHAFe是目前矫治缺铁黄化症效果最理想的途径之一。 Iron deficiency chlorosis(FeDC) cause the leaf chlorosis and extensive reduction in fruit yields of citrus plants on poncirus trifoliata rootstock grown on high pH calcareous soil. Effects of two EDDHAFe products, Rexolin Q and Rexiron, on the scales of leaf chlorosis, contents of leaf chlorophyll, yield and qualities of citrus fruits of the plants with iron deficiency chlorosis in the calcareous purple soil were investigated in 3 testing areas in Sichuan Province and Chongqing Municipality, China during 19971998.EDDHAFe products were applied two times in the soil under the canopy during flowering period. The results showed that EDDHAFe treatments significantly decreased the chlorosis scales on the leaves and increased the contents of leaf chlorophyll and fruit yield as compared with the plants treated with sulphus powder or control treatment. It seems that the better results were obtaiued from the applications of Rexolin Q than that of Rexiron. The higher the dosages were applied via soil, th
出处 《中国南方果树》 1999年第3期3-6,共4页 South China Fruits
关键词 柑桔 缺铁黄化 矫治 螯合铁 产量 病害 Citrus Iron Chlorosis Fechelate Chlorophyll Yieldse better the results could be gotten, from both of chelate Fe products in on trial.
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