Biennial yellow-flowered Eurasian plant having aromatic leaves used as carminative or flavoring agent; widely cultivated especially as green manure or cover crop.
两年生欧亚植物，花黄色，其叶芳香，用做祛风剂或调味品；广泛栽培，尤其作绿肥或覆盖作物。
A novel lectin gene sequences isolated from Ulva Pertusa L., a kind of the Marine green alga, would play potential use in the breeding of new crop varieties against plant diseases and insect pests.
从海洋绿藻孔石莼中分离到一种凝集素基因序列，为培育抗病虫作物新品种提供了新资源。
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