asked the Minister for Agriculture whether the merits of pyrethex (Strawson Chemical Company) have been investigated for the destruction of turnip and mangel fly; and, if so, with what results.
Ceisteanna—Questions. Oral Answers. - Merits of Pyrethex.
The material referred to is one of a large number of proprietary preparations on the market for the control of insect pests. It is not the practice of my Department to carry out experiments with proprietary articles of this nature and the answer to this question is, therefore, in the negative.