Proceedings of the New Zealand Weed and Pest Control Conference1969 - Pesticides |
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Page 238
... selected for the presence of aphids . The areas were in fact chosen before the crop was sown . Had the sites been specifically selected because aphids appeared to be a problem , then there is little doubt that the increase from spraying ...
... selected for the presence of aphids . The areas were in fact chosen before the crop was sown . Had the sites been specifically selected because aphids appeared to be a problem , then there is little doubt that the increase from spraying ...
Page 324
... selected corner of a block , the distance given by the first figure of the pair is paced along one side of the block . The operator then turns at right - angles and paces the distance as given by the other number . When the latter ...
... selected corner of a block , the distance given by the first figure of the pair is paced along one side of the block . The operator then turns at right - angles and paces the distance as given by the other number . When the latter ...
Page 59
... selected spring and summer cuts are compared . The Ruanui treat- ment has been omitted as the pattern was similar to Ariki . The gradual disappearance from the sward of Manawa ryegrass is quite clear in this table . Although absolute ...
... selected spring and summer cuts are compared . The Ruanui treat- ment has been omitted as the pattern was similar to Ariki . The gradual disappearance from the sward of Manawa ryegrass is quite clear in this table . Although absolute ...
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