Proceedings of the New Zealand Weed and Pest Control Conference, Volume 391986 - Pesticides |
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Page 15
CONTROL OF GRASS GRUB BY FOUR TYPES OF ROLLER K.M. STEWART and R.F. VAN TOOR Invermay Agricultural Research Centre , Private Bag , Mosgiel SUMMARY Four types of heavy roller were tested for the control of grass grub ( Costelytra ...
CONTROL OF GRASS GRUB BY FOUR TYPES OF ROLLER K.M. STEWART and R.F. VAN TOOR Invermay Agricultural Research Centre , Private Bag , Mosgiel SUMMARY Four types of heavy roller were tested for the control of grass grub ( Costelytra ...
Page 158
... four blocks of four trees each . One tree in each block received no fungicide treatment pre - harvest ; the other three were sprayed to run - off ( c 15 litres / tree ) with 2.4 g ai / litre captafol on 13 March 1985 using a hand - gun ...
... four blocks of four trees each . One tree in each block received no fungicide treatment pre - harvest ; the other three were sprayed to run - off ( c 15 litres / tree ) with 2.4 g ai / litre captafol on 13 March 1985 using a hand - gun ...
Page 260
... Four of the plots were chosen at random and given a pre - emergence treatment of herbicide ( alachlor and atrazine ( Rahman 1980 ) ) while the remaining eight were broadcast with a grass / weed seed mixture ( Yates " bush burn ...
... Four of the plots were chosen at random and given a pre - emergence treatment of herbicide ( alachlor and atrazine ( Rahman 1980 ) ) while the remaining eight were broadcast with a grass / weed seed mixture ( Yates " bush burn ...
Contents
Author Index | 9 |
PASTURE PESTS | 15 |
Field testing of seed protectants against black field cricket attack | 22 |
Copyright | |
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39th N.Z. Weed adult alachlor aphid application asparagus assessed atrazine beetle benomyl biological control buprofezin BYDV Californian thistle captafol chemicals chlorpyrifos clopyralid cover crawlers crop damage density diazinon discoideus disease DSIR effect eggs fensulfothion field foliage formulation fruit fungicides glyphosate gorse grass grub greedy scale growers growth haloxyfop EE harvest herbicides hexazinone increased infested insect insecticide insensitive instar kg ai/ha kiwifruit larvae leaf litres litres/ha lucerne metalaxyl metsulfuron mg ai/litre miticides mortality nematodes numbers orchard P.O. Box Palmerston North paraquat parasite pasture pathogens persimilis Pest Control Conf pesticides plants plots population porina Proc prochloraz ragwort rates reduced regrowth replicates Research residues root Ruakura ryegrass samples season seed treatments seedlings significant significantly Silwet Sitona soil spears species spray sprayer surfactant Table tamarillo tested trees trials trifluralin untreated control vinclozolin vines Weed and Pest weed control weeks whitefly yield Zealand