HC Deb 13 December 1950 vol 482 cc177-8W
Mr. G. Williams

asked the Lord President of the Council what steps are being taken by the Agricultural Research Council to ascertain whether the use of maleic hydrazide can provide an effective and economic method of retarding fruit blossom so as to avoid spring frosts.

Mr. H. Morrison

Investigations on the effect of maleic hydrazide in delaying the opening of fruit buds are in progress at both East Mailing and Long Ashton Research Stations.

Mr. G. Williams

asked the Lord President of the Council what investigations have been carried out by the Agricultural Research Council into the practicability of doing away with the winter washing of fruit trees and substituting in its place a spring application of an insecticide containing gemmexane.

Mr. H. Morrison

Investigations have been in progress for some time, and are continuing, both at East Mailing and Long Ashton Research Stations, on the use of spring applications of several types of insecticides including gammexane.

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