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ZHAO Cong, ZHAO Min, HUANG Xuefang, HUANG Mingjing, WANG Juanling. Allelopathic effect of water extract of Brassica oleracea var. capitata leaves on seedling growth of Zea mays and Cucurbita pepo[J]. Journal of Zhejiang A&F University. doi: 10.11833/j.issn.2095-0756.20210683
Citation: ZHAO Cong, ZHAO Min, HUANG Xuefang, HUANG Mingjing, WANG Juanling. Allelopathic effect of water extract of Brassica oleracea var. capitata leaves on seedling growth of Zea mays and Cucurbita pepo[J]. Journal of Zhejiang A&F University. doi: 10.11833/j.issn.2095-0756.20210683

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Allelopathic effect of water extract of Brassica oleracea var. capitata leaves on seedling growth of Zea mays and Cucurbita pepo

doi: 10.11833/j.issn.2095-0756.20210683
  • Received Date: 2021-10-08
  • Accepted Date: 2022-03-31
  • Rev Recd Date: 2022-03-25
通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Allelopathic effect of water extract of Brassica oleracea var. capitata leaves on seedling growth of Zea mays and Cucurbita pepo

doi: 10.11833/j.issn.2095-0756.20210683

Abstract:   Objective  The objective is to probe the relationship between toxicity of Brassica oleracea var. capitata and stubble obstacles, so as to provide a theoretical basis for establishing a reasonable crop rotation system.   Method  Taking the air-dried leaves of B. oleracea var. capitata as test materials, two crops species (Zea mays and Cucurbita pepo) with relatively high economic benefits and suitable for cultivation in cold and arid area of Shanxi were used as receptor. The effects of water extract from B. oleracea var. capitata leaves with four mass concentrations 0, 0.06, 0.08 and 0.10 kg·L−1 on the nutritional growth of the above two receptor crops were compared by indoor bioassay method, and the corresponding allelopathic effect index and comprehensive effect index were calculated.  Result  When the water extract concentration of B. oleracea var. capitata leaves was ≥0.06 kg·L−1, the growth of roots and shoots of potted Z. mays seedling could be significantly inhibited (P<0.05). The seedling height and root length of C. pepo were significantly reduced (P<0.05) only when the mass concentration of water extract of B. oleracea var. capitata leaves was 0.10 kg·L−1. At the same concentration, the allelopathic inhibition on root length of Z. mays was always greater than that on seedling height. For C. pepo, the allelopathic inhibition on root length was greater than that on seedling height when the water extract concentration of B. oleracea var. capitata leaves was ≥0.08 kg·L−1. When the mass concentration decreased to 0.06 kg·L−1, the allelopathic inhibition on root length was less than that on seedling height. According to the results of allelopathic comprehensive effect index, the allelopathic comprehensive inhibition on C. pepo was less than that on Z. mays.   Conclusion  C. pepo can be used in the rotation system of B. oleracea var. capitata to alleviate the obstacles caused by other toxicity. [Ch, 2 fig. 3 tab. 28 ref.]

ZHAO Cong, ZHAO Min, HUANG Xuefang, HUANG Mingjing, WANG Juanling. Allelopathic effect of water extract of Brassica oleracea var. capitata leaves on seedling growth of Zea mays and Cucurbita pepo[J]. Journal of Zhejiang A&F University. doi: 10.11833/j.issn.2095-0756.20210683
Citation: ZHAO Cong, ZHAO Min, HUANG Xuefang, HUANG Mingjing, WANG Juanling. Allelopathic effect of water extract of Brassica oleracea var. capitata leaves on seedling growth of Zea mays and Cucurbita pepo[J]. Journal of Zhejiang A&F University. doi: 10.11833/j.issn.2095-0756.20210683
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