Abstract
IN some preliminary experiments carried out here in 1933 by G. L. Hey and myself, it was found that the egg of the apple sawfly, Hoplocampa testudinea, Klug., can be killed by means of a spray containing 0.05 per cent nicotine and 0.5 per cent commercial soft soap.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have