ASTM E1913-04(2012)
在装有浸入式水生大型植物狐尾藻属SIBIRICUM蜀试验管里进行静态、无菌和14日植物性试验

Standard Guide for Conducting Static, Axenic, 14-Day Phytotoxicity Tests in Test Tubes with the Submersed Aquatic Macrophyte, Myriophyllum sibiricum Komarov

2012-11

标准号
ASTM E1913-04(2012)
发布
2004年
发布单位
美国材料与试验协会
当前最新
ASTM E1913-04(2012)
 
 
引用标准
ASTM D1129 ASTM D1193 ASTM D3731 ASTM D3978 ASTM E1023 ASTM E1192 ASTM E1218 ASTM E1415 ASTM E1598 ASTM E1733 ASTM E1841 ASTM E1847 ASTM E729 ASTM E943
适用范围
5. Significance and UseTop Bottom

5.1 Protection of aquatic areas is currently being emphasized by several agencies including the U.S. Environmental Protection Agency and Environment Canada. For pesticide registration, these agencies are beginning to require data regarding the toxicity of test chemicals to aquatic rooted vascular plants (25-28).

5.2 Toxicological research with terrestrial and aquatic vascular plants has been initiated (29) including the development of a protocol for testing with emergent macrophytes (Guide E1841) (30). However, protocols for phytotoxicity testing with freshwater submersed plants still require development. Toxicological research has been conducted using submersed macrophytes (1-8, 31-35) but standardization of the methods is required.

5.3 This guide is designed to assess the phytotoxic effects of chemicals upon a selected freshwater species of submersed aquatic macrophyte, Myriophyllum sibiricum Komarov. This species is an ecologically important submersed aquatic dicotyledon with a north temperate distribution. It is readily cultured in test tubes in the laboratory (36). Lower temperatures in autumn initiate the formation of turions on lateral branches that develop into new plants when environmental conditions become favorable (19-23). Toxicological testing with this species has demonstrated that it is an ideal species for labor......

:明明可以靠脸吃饭,偏偏要靠才华!

此外,由于高营养及低密度条件下典型沉水穗花(穗花,小二仙草科植物,沉水草本,为欧亚大陆广布种)的相对生长速率要明显高于低营养及高密度环境。这也就意味着,高营养及低密度环境下可以迅速扩张,这对于沉水植物种群扩张的调控作用,及湿地植被生态恢复都有积极的促进作用。[3]真的能致富?...





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