Proceedings of the New Zealand Weed and Pest Control Conference1969 - Pesticides |
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Page 130
... field inspected " and 110 " laboratory test only " lines The most likely impurities ( in order of frequency ) in “ work ” samples for " field inspected " ( F.I. ) lines are : bromus mollis , Vulpia hair grass , field madder , poa annua ...
... field inspected " and 110 " laboratory test only " lines The most likely impurities ( in order of frequency ) in “ work ” samples for " field inspected " ( F.I. ) lines are : bromus mollis , Vulpia hair grass , field madder , poa annua ...
Page 131
... Field observations reconcile with these test results , except that barley grass , docks , flatweeds , poa annua , shepherd's purse , storksbill , wireweed ( Polygonum aviculare ) and the thistles failed to materialize significantly in ...
... Field observations reconcile with these test results , except that barley grass , docks , flatweeds , poa annua , shepherd's purse , storksbill , wireweed ( Polygonum aviculare ) and the thistles failed to materialize significantly in ...
Page 138
... field swaths of equivalent insecticide granules . This technique enables broadcast granule application swath widths to be measured from plant reaction in the field in the absence of the target insect population . A prototype swath ...
... field swaths of equivalent insecticide granules . This technique enables broadcast granule application swath widths to be measured from plant reaction in the field in the absence of the target insect population . A prototype swath ...
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