加拿大一枝黄花利害分析

Evaluation of Harmfulness and Utility on Canada Goldenrod (Solidago canadensis)

加拿大一枝黄花主要存在三个方面的问题,它在自然环境中竞争力极强,使本土多种杂草灭绝,逐渐形成单一优势群落,影响生物多样性,破坏生态平衡,是一种恶性杂草。同时,加拿大一枝黄花也有不少可用之处,是一种资源,譬如在沙漠地区用作防风固沙的草种;在长江、黄河上游地区引种,可保持水土作用;加拿大一枝黄花的叶和花可以提取精油,或者制成中药等;加拿大一枝黄花可替代木材,加工造纸,生产一次性餐具或者其他产品;还可用作培养食用菌的基质材料等等。所以,作者认为,必须正确认识加拿大一枝黄花的利害关系,给以客观地分析评价、开发利用。我们的策略是“深入研究、主动控制、合理利用”的12字方针,才能使加拿大一枝黄花趋利避害,为人类造福。

There are mainly three aspects of mishap on the Canadian goldenrod （Solidago canadensis）, it is a malignant weed that had greatly strong compctitiveness in the nature, and that could cause many kinds of inhabitable weed to be extinict, and that had formed the group of the sole superiority gradually , and that affect the biodiversity, and that had broken the equilibrium of the ecosystem. At the same time, the Canadian goldenrod （Solidago canadensis） is also a resource , and it would has many useful aspects, for example, that it can be served as for a grass species as wind-proof and solid sand in the desert; and it would be introdued a good kind of variety into the upstream of Yangtze River and Yellow River, it could maintain the water and the soil; the leaves and the flowers of the Canadian goldenrod （Solidago canadensis） may be withdrawed the volatile oil, or made into the Chinese medicine and so on; and that would can be made into the paper and the disposable tableware or other products instead of the wood;and it will can be served as for the matrix material to raise edible fungus,and so on. Therefore, the auther thinks that we must correctly recognize the relations of the harmfulness and the utility on the Canadian goldenrod （Solidago canadensis）, and we will be give it to objectively analyzes and appraise, and to develop and use for it. Our strategy is by means of ＂ thorough research, initiative control, reasonable utility ＂ the policy of 12 characters, then we can make the Canadian goldenrod （Solidago canadensis） to take advantage, and benefits for the human beings.