Proceedings of the New Zealand Weed and Pest Control Conference1969 - Pesticides |
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Page 121
... present at spraying , owing to flooding in the paddock and white clover ( Trifolium repens ) later became the dominant species present . There was also a proportion of subterranean clover ( Trifolium subter- raneum ) at Site 5. Some ...
... present at spraying , owing to flooding in the paddock and white clover ( Trifolium repens ) later became the dominant species present . There was also a proportion of subterranean clover ( Trifolium subter- raneum ) at Site 5. Some ...
Page 43
... present at crop emergence were : barn- yard grass 20 % , summer grass 40 % , black nightshade ( Solanum nigrum ) 15 % , willow weed ( Polygonum persicaria ) 20 % , mayweed ( Anthemis spp . ) 5 % . TRIAL 2 ( Gisborne . Treated 13/11/69 ...
... present at crop emergence were : barn- yard grass 20 % , summer grass 40 % , black nightshade ( Solanum nigrum ) 15 % , willow weed ( Polygonum persicaria ) 20 % , mayweed ( Anthemis spp . ) 5 % . TRIAL 2 ( Gisborne . Treated 13/11/69 ...
Page 53
... present state of New Zealand pastures . Corkill ( 1970 ) referred to work con- ducted by Brougham and Grant , which showed that browntop was present in 81 % of the pastures surveyed on Manawatu hill country . Perennial ryegrass ( Lolium ...
... present state of New Zealand pastures . Corkill ( 1970 ) referred to work con- ducted by Brougham and Grant , which showed that browntop was present in 81 % of the pastures surveyed on Manawatu hill country . Perennial ryegrass ( Lolium ...
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