甘肃天然草原主要毒草分布、危害及其防治对策
Pratacultural Science（2006）
Abstract
甘肃天然草原有毒植物有18科39属178种[1].对家畜危害性大、分布较广的毒草主要有:豆科棘豆属的甘肃棘豆Oxytropis ransuensis、黄花棘豆O.ochrocephala、小花棘豆O.glabra、镰形棘豆O.falcate、蓝花棘豆O.coerulea,豆科黄芪属的变异黄芪Astragalus variabilis,瑞香科狼毒属的狼毒Stellera chmaejasme,禾本科芨芨草属的醉马草Achnatherum inebrians.由于自然和人为因素的影响,甘肃省天然草原退化严重,生态环境逐渐变劣,有毒植物大量繁衍增生,家畜采食后,中毒的现象时有发生,造成较大的损失.为此,对毒草的地理分布、生境条件、家畜中毒症状做了简要阐述,提出了防治对策,以减少家畜中毒死亡.
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Key words
geological distribution,control measures,poisonous plants
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