Germination and revegetation of coastal sand dune plants

沿海沙丘植物的萌发和植被恢复

基本信息

  • 批准号:
    14560017
  • 负责人:
  • 金额:
    $ 2.37万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
  • 财政年份:
    2002
  • 资助国家:
    日本
  • 起止时间:
    2002 至 2003
  • 项目状态:
    已结题

项目摘要

We aimed to accumulate the useful information of Calystegia soldanella and Lathyrus japonicus for the conservation of them and as the landscape material in coastal sand dune. The germination ecology of them was investigated. Seeds of both species, which collected in the Hokkaido Ishikari beach, were treated with sulfuric acid to release the hard seed dormancy. Seeds were sown in sand dune with various burial depths in the autumn and next summer. In the sowing in autumn, seedling of C.soldanella emerged at the highest 89% from the burial depth 5cm, and the emergence rate was decreased with the burial depth and even at 1cm of depth. In the sowing in summer, highest emergence rate was shown from the burial depth 5cm as well as the sowing in autumn, though emergence rates decreased less than sowing in autumn at the each burial depth. In the sowing in autumn, L.japonicus showed good emergence rate of 60-76% from 1cm to 15cm of burial depth, and it was the lowest at burial depth 1cm. The highest emergence rate in the sowing in summer was 11%. The dry sand layer, which became extreme high temperature and dry, was considered as the cause of decreasing in emergence rates of both species in summer or at the burial depth of 1cm. The influence of the burial depth of 5cm or more on the emergence was different in both species. It seemed that this reason was a difference of the soil penetration power of both seedling.
为沿海沙丘的保护和景观材料的开发利用积累有用的信息。并对其萌发生态进行了研究。这两个物种的种子,收集在北海道石狩海滩,用硫酸处理,以解除硬种子休眠。在秋季和次年夏季将种子播种在不同埋深的沙丘中。秋播条件下,埋深5cm处出苗率最高,达89%,随着埋深的增加出苗率逐渐降低,埋深1cm时出苗率也逐渐降低。夏播时,埋深5cm和秋播的出苗率最高,但各埋深下的出苗率下降幅度均小于秋播。秋播条件下,在1 ~ 15 cm埋深范围内出苗率最高,为60-76%,埋深1cm时出苗率最低。夏播出苗率最高为11%。在夏季和埋深1cm处,由于沙层干燥,导致极端高温和干燥,这两种植物的出苗率都下降。5cm以上的埋深对两种蝗虫的出苗影响不同。这可能是由于两种苗木的土壤穿透力不同所致。

项目成果

期刊论文数量(6)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Tetsuya Kondo, Akiko Sakai, Shinjiro Sasaki: "Effects of sowing dates and burial depth on seedling emergence and survival of Calystegia soldanella Roem.et Schult.and Lathyrus japonicus Willd."Journal of the Japanese society of revegetation technology. 28(
Tetsuya Kondo、Akiko Sakai、Shinjiro Sasaki:“播种日期和埋藏深度对 Calystegia sellanella Roem.et Schult. 和 Lathyrus japonicus Willd 出苗和存活的影响。”日本植被技术学会杂志。
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    0
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近藤哲也, 坂井明子, 佐々木真二郎: "播種時期と埋土深がハマヒルガオとハマエンドウの出芽と生残に及ぼす影響"日本緑化工学会誌. 28. 330-341 (2002)
Tetsuya Kondo、Akiko Sakai 和 Shinjiro Sasaki:“播种时间和土壤深度对空心菜和双鱼的出现和生存的影响”日本植被工程学会杂志 28. 330-341 (2002)。
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KONDO Tetsuya其他文献

KONDO Tetsuya的其他文献

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{{ truncateString('KONDO Tetsuya', 18)}}的其他基金

Germination requirements and the relationships between them and habitats of two kinds of Trillium genus as the landscape material in the north area of Japan
日本北部地区两种景观材料延龄草属的发芽条件及其与生境的关系
  • 批准号:
    26450488
  • 财政年份:
    2014
  • 资助金额:
    $ 2.37万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Seed dormancy of northern landscaping plants requiring two winters from seed dispersal to shoot emergence above ground.
北方园林植物的种子休眠需要两个冬天,从种子传播到地面上出现芽。
  • 批准号:
    23580028
  • 财政年份:
    2011
  • 资助金额:
    $ 2.37万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Seed dormancy of Trillium camschatcense requiring 21 months from seed dispersal to cotyledon emergence
延龄草种子休眠从种子散布到子叶出现需要21个月
  • 批准号:
    20580019
  • 财政年份:
    2008
  • 资助金额:
    $ 2.37万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Germination phenoology and mechanism of seed dormancy on northern landscaping plants that need two years from seed dispersal to germination
北方园林植物从种子传播到萌发需两年的萌发物候及种子休眠机制
  • 批准号:
    17580019
  • 财政年份:
    2005
  • 资助金额:
    $ 2.37万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)

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