Proceedings of the New Zealand Weed and Pest Control Conference, Volume 391986 - Pesticides |
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Page 143
... spray programmes were applied at 250 , 500 or 2,200 litres / ha . Leafroller caterpillar populations were low at all water rates . Low volume spray applications are suitable for kiwifruit provided careful attention is paid to nozzle ...
... spray programmes were applied at 250 , 500 or 2,200 litres / ha . Leafroller caterpillar populations were low at all water rates . Low volume spray applications are suitable for kiwifruit provided careful attention is paid to nozzle ...
Page 155
... spray 22.10 spray spray 24.1 126 spray 296 30.10 11 0.8 30-31.1 spray 5.2 spray 4.11 12 1.1 6.2 240 7.11 spray 6.2 spray 14.11 5.5 0.8 11.2 121 178 13-15.2 spray spray oil / oil / 21.2 109 189 deltamethrin deltamethrin 21.2 spray 15.11 ...
... spray 22.10 spray spray 24.1 126 spray 296 30.10 11 0.8 30-31.1 spray 5.2 spray 4.11 12 1.1 6.2 240 7.11 spray 6.2 spray 14.11 5.5 0.8 11.2 121 178 13-15.2 spray spray oil / oil / 21.2 109 189 deltamethrin deltamethrin 21.2 spray 15.11 ...
Page 254
... spray date 31 39 Aphid n / tiller at spray < 1 20 Aphid burden ( AD ) pre - spray 1+ 200 GS at aphid peak 53 71 71 Aphid n / tiller at peak 74 49 16 ** Aphid burden ( AD ) post - spray 1250 1110 310 Total aphid burden ( AD ) 1250 1111 ...
... spray date 31 39 Aphid n / tiller at spray < 1 20 Aphid burden ( AD ) pre - spray 1+ 200 GS at aphid peak 53 71 71 Aphid n / tiller at peak 74 49 16 ** Aphid burden ( AD ) post - spray 1250 1110 310 Total aphid burden ( AD ) 1250 1111 ...
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