Proceedings of the New Zealand Weed and Pest Control Conference1969 - Pesticides |
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Page 28
... recorded on 5 days and totalling 1.82 in . Minimum temperature recorded was 28.3 " F and maximum 61 ° F. No record of sunlight was taken . Weed samples taken were of 200 g and were assessed after being returned to the lake for ...
... recorded on 5 days and totalling 1.82 in . Minimum temperature recorded was 28.3 " F and maximum 61 ° F. No record of sunlight was taken . Weed samples taken were of 200 g and were assessed after being returned to the lake for ...
Page 231
... recorded . Total grain weight from each variety was also recorded . Owing to differences in the rate of aphid population build - up between the seven varieties , a wide range in population index for these varieties was recorded ( Table ...
... recorded . Total grain weight from each variety was also recorded . Owing to differences in the rate of aphid population build - up between the seven varieties , a wide range in population index for these varieties was recorded ( Table ...
Page 208
... recorded . ( 3 ) Plots be sampled and not only numbers but the sizes of larvae re- corded on the first five days following treatment , or until stability is reached . ( 4 ) Herbage yield be recorded for all treatments . ( 5 ) In ...
... recorded . ( 3 ) Plots be sampled and not only numbers but the sizes of larvae re- corded on the first five days following treatment , or until stability is reached . ( 4 ) Herbage yield be recorded for all treatments . ( 5 ) 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