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首页> 外文期刊>Environmental toxicology and chemistry >INTERCROPPING DIFFERENT VARIETIES OF RADISH CAN INCREASE CADMIUM ACCUMULATION IN RADISH
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INTERCROPPING DIFFERENT VARIETIES OF RADISH CAN INCREASE CADMIUM ACCUMULATION IN RADISH

机译：萝卜间作的不同品种可以增加萝卜中镉的积累

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摘要

Genetic diversity has supplied effective ways to improve crop yields and disease resistance. Therefore, crop uptake of heavy metals may be reduced by collecting germplasm resources. In the present study, cadmium accumulation and nutrients in radish were investigated by intercropping 3 genotypes (red, green, and white radish) in different combinations. Both pot and field experiments showed that cadmium content in radish was increased by intercropping 2 or 3 genotypes, except when white radish was intercropped with green radish. The biomass of red radish was improved by a mixture of all 3 genotypes, green radish biomass was improved by intercropping with the other 2 varieties, and white radish biomass was improved by intercropping with red radish in both pot and field experiments. The pot experiment indicated that the soil exchangeable cadmium concentration of red radish grown with green radish was lower than that of monoculture, whereas red radish intercropped with white radish was between the respective monocultures; the soil exchangeable cadmium concentrations of green radish grown with white radish and with all 3 genotypes grown together were greater than those of the monocultures. Some intercropping modes also improved potassium and phosphorus contents in the edible parts of radish in the pot experiment.
机译：遗传多样性提供了提高作物产量和抗病性的有效途径。因此，通过收集种质资源可以减少农作物对重金属的吸收。在本研究中，通过套种3种基因型（红色，绿色和白色萝卜）的不同组合研究了萝卜中镉的积累和养分。盆栽和田间试验均表明，通过间作2种或3种基因型，萝卜中的镉含量会增加，除非白萝卜与绿萝卜间作。在盆栽和田间试验中，通过三种基因型的混合使用可改善红萝卜的生物量，与其他两个品种间作可改善绿萝卜的生物量，并通过与红萝卜间作可改善白萝卜的生物量。盆栽试验表明，绿萝卜生长的红萝卜的土壤可交换镉浓度低于单一栽培，而萝卜与白萝卜间作的红萝卜在相应的单一栽培之间。与白萝卜一起生长并且所有三种基因型一起生长的萝卜的土壤可交换镉浓度均高于单一栽培土壤。在盆栽试验中，一些间作模式还提高了萝卜可食部分的钾和磷含量。

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  • 来源
    《Environmental toxicology and chemistry》 |2014年第9期|1950-1955|共6页
  • 作者

    Lijin Lin; Qihua Liu; Jun Shi; Jinlong Sun; Mingan Liao; Luoyin Mei;

  • 作者单位

    College of Horticulture, Sichuan Agricultural University, Ya'an, Sichuan, China;

    Rice Research Institute, Shandong Academy of Agricultural Sciences, Ji'nan, Shandong, China;

    Mianyang Academy of Agricultural Sciences, Mianyang, Sichuan, China;

    Rice Research Institute, Sichuan Agricultural University, Chengdu, China;

    College of Horticulture, Sichuan Agricultural University, Ya'an, Sichuan, China;

    College of Horticulture, Sichuan Agricultural University, Ya'an, Sichuan, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Radish; Genetic diversity; Cadmium; Yield;

    机译：萝卜;遗传多样性;镉;产量;

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