土施超富集植物秸秆对镉污染条件下葡萄生长及镉含量的影响
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作者单位:

(1.四川农业大学园艺学院,四川 成都 611130;2.达州市农业科学研究院,四川 达州 635000;3.邛崃市农业农村局,四川 成都 611530;4.四川农业大学果蔬研究所,四川 成都 611130)

作者简介:

李欣欣(1994-),女,四川雅安人,硕士生,主要从事果树生理生态及栽培研究。E-mail:347319112@qq.com。

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基金项目:

基金项目:四川科技厅项目(2020YFH0144)。


Effects of soil application of hyperaccumulator plant straw on grape growth and cadmium content under cadmium stress
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Affiliation:

(1.College ofHorticulture,Sichuan AgriculturalUniversity,Chengdu Sichuan611130;2.Dazhou Academy of AgriculturalSciences,Dazhou Sichuan 635000;3.Qionglai Agricultural and Rural Bureau,Chengdu Sichuan 611530;4.Institute of Pomology andOlericulture,Sichuan AgriculturalUniversity,Chengdu Sichuan611130)

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    摘要:

    通过盆栽试验,研究了在镉污染条件下,土施 3种镉超富集植物(龙葵、野茼蒿、三叶鬼针草)秸秆对葡萄生长及镉含量的影响。结果表明:幼苗试验中,土施龙葵、野茼蒿和三叶鬼针草秸秆后葡萄幼苗生物量、光合作用强度、抗氧化酶活性和代谢物质含量均增加,且葡萄幼苗地上部分镉含量减少,较未施用分别减少了37.63%、18.31%和 22.25%。结果树试验中,土施龙葵、野茼蒿和三叶鬼针草秸秆后葡萄果实镉含量均减少且提高了果实品质,其中果实镉含量较未施用分别减少了 22.11%、14.07%和 19.25%。因此,土施龙葵、野茼蒿和三叶鬼针草秸秆能促进葡萄的生长和降低其镉含量,有利于镉污染果园中葡萄的正常生长及安全生产,其中土施龙葵秸秆效果最佳。

    Abstract:

    Pot experiments were conducted to study the effects of soil application of cadmium-hyperaccumulator plant straw(Solanum nigrum,Crassocephalum crepidioides,Bidens pilosa)on grape growth and cadmium content under cadmiumstress. The results showed that the biomass,photosynthesis intensity,antioxidant enzyme activity and metabolite content in grape seedlings increased after applying S. nigrum,C. crepidioides and B. pilosastraw,while the cadmium content inshoots of grape seedlings decreased by37.63%,18.31% and22.25%,respectively,compared with that without application. The tree experiment showed that the cadmium content in grape fruits decreased and the quality of grape fruits improved after applying S. nigrum,C. crepidioides and B. pilosastraw. The cadmium content in grape fruits decreased by22.11%,14.07%and19.25%,respectively,compared with that without application.Therefore,soil application of S. nigrum,C. crepidioides and B. pilosastraw can promote the growth of grapes and reduce their cadmiumcontent,which is conducive to the normal growth and safe production of grapes in cadmium-contaminatedorchards,and amongthem,applying S. nigrum straw had the best effect.

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李欣欣,钟莉莎,马倩倩,张潇,林立金,廖明安.土施超富集植物秸秆对镉污染条件下葡萄生长及镉含量的影响[J].中国土壤与肥料,2020,(5):189-195.

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  • 收稿日期:2019-08-14
  • 最后修改日期:
  • 录用日期:2019-09-16
  • 在线发布日期: 2020-11-06