HC Deb 21 February 1985 vol 73 c580W
Mr. Ron Davies

asked the Minister of Agriculture, Fisheries and Food to which herbicide products or active ingredients, cleared under the PSPS at any time, there are now more common resistant strains of weed than at the time of their introduction.

Mr. MacGregor

There are two herbicides which fall into this category—Atrazine and simazine. Alternatives exist for both.