Proceedings of the New Zealand Weed and Pest Control Conference1969 - Pesticides |
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Page 330
... discussed at several previous conferences . The last occasion was in 1966 and , of the materials discussed then , pyrazon was the only one included in the trials reported in the papers presented at the present conference . J. S. Dunn ...
... discussed at several previous conferences . The last occasion was in 1966 and , of the materials discussed then , pyrazon was the only one included in the trials reported in the papers presented at the present conference . J. S. Dunn ...
Page 31
... discussed , and five conclusions are drawn : ( 1 ) Control of weeds in maize increases grain yields . Chemical control is generally superior to hand - weeding or traditional mechanical methods . ( 2 ) Weed control not only increases the ...
... discussed , and five conclusions are drawn : ( 1 ) Control of weeds in maize increases grain yields . Chemical control is generally superior to hand - weeding or traditional mechanical methods . ( 2 ) Weed control not only increases the ...
Page 37
... discussed in this paper support the claim that atra- zine used either alone or in combination with propachlor or metha- chlor , either pre- or post - emergence , gives excellent control of broadleaf weeds and grasses in maize crops ...
... discussed in this paper support the claim that atra- zine used either alone or in combination with propachlor or metha- chlor , either pre- or post - emergence , gives excellent control of broadleaf weeds and grasses in maize crops ...
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