...The selectivity of 2,4-D between broadleaf weeds and grasses is thought to be due to the fact that the rate of movement of 2,4-D within the plant body is greater in broadleaf weeds than the difference in the rate of absorption by the two types of plants. MCP (trade name MCP, Yamaclean M), a herbicide of the same series as 2,4-D, shows similar herbicidal activity to 2,4-D, and 2,4,5-T was used to kill shrubs in non-arable land and forest land, but is currently unregistered. MCPB (trade name Tropotox), which has a butyric acid group instead of the acetate residue of 2,4-D and MCP, shows selective toxicity to legume weeds, so it is used to kill them. ... *Some of the terminology explanations that mention "MCP (herbicide)" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…また広葉雑草とイネ科植物との間の2,4‐Dの選択性の発現は,2,4‐Dの両種植物への吸収速度の差よりも,植物体内における移動速度が,広葉植物において大きいことによるものと考えられている。 2,4‐Dと同系列の除草剤であるMCP(商品名MCP,ヤマクリーンM)は2,4‐Dと類似の除草活性を示し,また2,4,5‐Tは非耕地,林地の灌木の殺草に用いられたが,現在は非登録となっている。2,4‐DやMCPの酢酸残基の代りに酪酸基を有するMCPB(商品名トロポトックス)は,マメ科雑草に選択毒性を示すので,それらの除草に用いられる。… ※「MCP(除草剤)」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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