Thanks to the widespread adoption of such seeds, farmers have been spraying their crops with insecticide less frequently.
There are very few data at hand concerning the discovery of the insecticide properties of pyrethrum.
Perhaps you hoe between the plants or syringe them with insecticide?
As to the insecticide, there are to be applied two very effective ones, each with its advantages and disadvantages.
They are very liable to attacks from aphides, but the insecticide for pears in pots is good also for plums.
The walls should be well washed with some insecticide of this kind.
I fear there are fleas—it is called Campagne Defli—and I look forward to tons of insecticide being employed.
The celebrated nostrum vended under the name of insecticide is said to be nothing but benzol.
You feel like a bottle of pickles, or boot-polish, or a tin of insecticide whenever a servant announces you.
The ramparts of insecticide with which he surrounded himself availed nought.
insecticide in·sec·ti·cide (ĭn-sěk'tĭ-sīd')
A chemical substance that kills insects.
A pesticide used to kill insects. Chlordane and DDT are insecticides. Compare fungicide, herbicide, rodenticide.