摘要
经调查,陕北黄土区小哭属(Berberis)植物资源有6种,蕴藏量3000担左右。可分为抗旱、中生和湿生3种生态类型。播种育苗试验,种子沙藏处理比热水浸种和干播,平均出苗率分别提高9%和15%,平均提前5天、10天。
By the investigation,there are species of Berberisin northern loess region with total of Production about 45×10~4kg.The local Berberis can be divided into xeric,mesic and hydra ecological types.On the experiment of growing seedlings,the rates of emergence for seeds being storaged in sands was enhanced by 9% and 15% comparared with seeds being handled in hot water and no treatment,and its emergence stage is ahead of 5 to 10 days too.
出处
《陕西林业科技》
北大核心
1992年第4期28-30,共3页
Shaanxi Forest Science and Technology
关键词
小檗属
资源调查
播种
育苗
Berberis
Investigation of resources
Loess plateau