ALLELOPATHY IN FOREST

森林化感作用

• 批准号: 07806024
• 负责人: KOJIMA Yasuo
• 金额: $ 1.28万
• 依托单位: HOKKAIDO UNIVERSITY
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 1995
• 资助国家: 日本
• 起止时间: 1995 至 1996
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-07806024/
• 关键词: Allelopathy; Germination; Elongation; Sasa; Ailanthus altissima; Sorbus commixta; Quercus mongolica; Petasites japonicus; 森林生態

Several plants grown in Hokkaido forest area were examined on allelopathic effect. A crop seed (lettuce) and tree seed (Picea glehnii) were used for assay on germination and elongation. It has been shown that leaves of Larix gmelini var. japonica, Ailanthus altissima, Thujopsis dolabrata var. hondae, Acer saccharum, Sorbus commixta, Magnolia obovata, Robinia pseudoacacia, Petasites japonicus ver. Giganteus, Sasa senanensis and Lysichitum camtschatcense have strong allelopathic effects on germination and elongation of both seeds.On the other hand, Weekly effects are shown for Juglans nigla, J.ailanthifolia, J.regia, Plerocarya rhoifolia, Cercidiphylum japonicum, Quercus mongolica and Abies sachalinensis.Further study concerning allelochemicals were purchased using Ailanthus altissima, Sorbus commixta, Petasites japonicus ver. Giganteus, J.ailanthifolia, Sasa senanensis, Quercus mongolica.In A.altissima, leaf and root tissues collected in spring-summer season inhibited germination and elongation of crop seeds stronger than those tissues collected in autumn season. Leaf and fruits of S.commixta inhibited elongation of lettuce seed and leaf collected in autumn have strong effect. Leaves from J.ailanthifolia showed allelopathic effect clearly, especially hexane soluble fraction are inhibited germination of crop seedsIn the case of P.japonicus ver. Giganteus and S.senanensis, Hexane and Ethyl acetate soluble fraction from tissues of leaf, shoot and root showed allelopathic effect. inhibited germination and elongation of crop seeds.Q.mongolica collected in all season showed inhibited elongation of crop and tree seeds.

对北海道林区几种植物的化感作用进行了研究。以一种作物种子（生菜）和一种树木种子（云杉）进行发芽和伸长试验。研究结果表明，落叶松、苍竹、金丝兰、糖槭、酢浆草、白玉兰、刺槐、枇杷的叶片具有明显的抗氧化活性。石竹、山莎草和山楂对两种种子的萌发和伸长都有较强的化感作用。另一方面，黑胡桃、蓝花、王木、油桐、日本尾叶、蒙古栎树和沙林冷杉的周效显著。进一步研究了臭椿、花楸、花椒等植物的化感作用。石竹，玉兰，沙竹，蒙古栎。春夏季节收集的叶片和根组织对种子萌发和伸长的抑制作用强于秋季收集的叶片和根组织。叶、果对莴苣种子的伸长有较强的抑制作用，秋季采叶对莴苣种子的伸长有较强的抑制作用。孤兰花叶片具有明显的化感作用，特别是己烷可溶性部分对作物种子萌发有抑制作用。巨蹄草和山羊草叶片、茎部和根部组织中己烷和乙酸乙酯溶出部分均具有化感作用。对作物种子的萌发和伸长均有抑制作用，四季采集的蒙古青对作物和林木种子的伸长均有抑制作用。