Proceedings of the New Zealand Weed and Pest Control Conference1969 - Pesticides |
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Page 298
... adult control , further evaluation was required in order to determine the minimum effective dosage . In an experiment carried out in September , 1967 , diazinon was tested against the adult at 2 and 3 lb ( diazinon at 11⁄2 lb had been ...
... adult control , further evaluation was required in order to determine the minimum effective dosage . In an experiment carried out in September , 1967 , diazinon was tested against the adult at 2 and 3 lb ( diazinon at 11⁄2 lb had been ...
Page 300
... adult . Results are given in Table 5 . Both dosages of diazinon gave a significant reduction in beetle numbers with ... adult beetle using residue - safe insecticides of the organophosphorus and carbamate groups . Small plot experiments ...
... adult . Results are given in Table 5 . Both dosages of diazinon gave a significant reduction in beetle numbers with ... adult beetle using residue - safe insecticides of the organophosphorus and carbamate groups . Small plot experiments ...
Page 177
... adult phase . THE POSSIBILITY of controlling grass grub ( Costelytra zealandica ) by directing insecticide treatment against the adult beetle rather than against the larva has been discussed at this conference on several previous occa ...
... adult phase . THE POSSIBILITY of controlling grass grub ( Costelytra zealandica ) by directing insecticide treatment against the adult beetle rather than against the larva has been discussed at this conference on several previous occa ...
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