Proceedings of the New Zealand Weed and Pest Control Conference1969 - Pesticides |
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Page 302
... insecticides against grass grub ( Costelytra zealandica ( White ) ) larvae . It consists of treating soil at a series of dosage rates , by intimate mixing with the insecticide and confin- ing larvae in the treated soil in pots in the ...
... insecticides against grass grub ( Costelytra zealandica ( White ) ) larvae . It consists of treating soil at a series of dosage rates , by intimate mixing with the insecticide and confin- ing larvae in the treated soil in pots in the ...
Page 118
... INSECTICIDE TOXICOLOGY is a specialized branch of general toxicology and the principles followed in the investigation of poisons in general apply also to chemical insecticides . Essentially these are identification and measurement of ...
... INSECTICIDE TOXICOLOGY is a specialized branch of general toxicology and the principles followed in the investigation of poisons in general apply also to chemical insecticides . Essentially these are identification and measurement of ...
Page 205
... insecticides such trials are intended to evaluate . IN their paper " An economic study of the use of insecticides for the con- trol of porina caterpillar " McLaren and Crump ( 1969 ) made certain assumptions in the construction of their ...
... insecticides such trials are intended to evaluate . IN their paper " An economic study of the use of insecticides for the con- trol of porina caterpillar " McLaren and Crump ( 1969 ) made certain assumptions in the construction of their ...
Contents
Presidential Address W F Leonard | 15 |
Control of Hornwort Ceratophyllum demersum B E Manson | 23 |
Endothal as an Aquatic Herbicide G W Woon and G W Mason | 30 |
Copyright | |
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Common terms and phrases
abAB acre aphid application areas assessment asulam atrazine Auckland Australian soldier fly autumn barley grass bromus mollis BYDV Canterbury carbetamide cereal aphid chemical chlormequat Christchurch crop damage Department of Agriculture diazinon dicamba diquat disulfoton dry matter effect ester farm farmers fathen fenitrothion fensulfothion formulations gorse grain gran granules grass grub grazing growth harvest heptachlor herbicides increase infestation insecticide ioxynil larvae lb/acre lindane linuron lucerne matagouri MCPA MCPB means and signif methabenzthiazuron mixture N.Z. Weed organophosphate P.O. Box paddock paraquat parathion pasture response peas Pest Control Conf phenmedipham phorate picloram plants plots porina post-emergence Proc production prometryne pyrazon rainfall rates reduced replicates residual ryegrass samples season significant simazine soil sowing sown species spraying Stat Summary Table terbutryne thistle tion Total treated Treatment lb trials trichlorfon Untreated variety Weed & Pest weed control weed seeds wheat white clover willow weed yield Zealand