Proceedings of the New Zealand Weed and Pest Control Conference1969 - Pesticides |
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Page 181
... month period after treatment in the South Island trials correlate closely with the regrowth suppression ratings made after 12 to 18 months , and also the ratings for 10 9 B 7 6 5 KEY : figs 1,2,3 . 2,4,5 - T picloram 0.75 lb amine ...
... month period after treatment in the South Island trials correlate closely with the regrowth suppression ratings made after 12 to 18 months , and also the ratings for 10 9 B 7 6 5 KEY : figs 1,2,3 . 2,4,5 - T picloram 0.75 lb amine ...
Page 182
... months 12-18 months 18-24 months 24-42 months final kill after 24 to 42 months . A similar correlation appears over the 1- to 4 - month and 12- to 18 - month period in the North Island trials . It is expected that this will continue in ...
... months 12-18 months 18-24 months 24-42 months final kill after 24 to 42 months . A similar correlation appears over the 1- to 4 - month and 12- to 18 - month period in the North Island trials . It is expected that this will continue in ...
Page 258
... months after treat- ment . In grub reduction , heptachlor at both dosage rates , lindane , trichloronate and fensulfothion reached significance . Trichlorfon , diazinon , and fenithrothion were all significantly worse than control . In ...
... months after treat- ment . In grub reduction , heptachlor at both dosage rates , lindane , trichloronate and fensulfothion reached significance . Trichlorfon , diazinon , and fenithrothion were all significantly worse than control . In ...
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