Proceedings of the New Zealand Weed and Pest Control Conference, Volume 391986 - Pesticides |
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Page 105
... assessed visually by five people independently and the majority opinion ( derived from the data sets ) was used as the score for each character assessed . The walnut foliage , weed species and overall weed kill were assessed on 22 ...
... assessed visually by five people independently and the majority opinion ( derived from the data sets ) was used as the score for each character assessed . The walnut foliage , weed species and overall weed kill were assessed on 22 ...
Page 109
... assessed by classing each vine as alive or dead . High volume spraying using a No. 6 tip and 1700 kPa operating pressure , applied 4000 litre / ha spray . Foliage up to 4 m high was sprayed to point of run - off . There was 100 % cover ...
... assessed by classing each vine as alive or dead . High volume spraying using a No. 6 tip and 1700 kPa operating pressure , applied 4000 litre / ha spray . Foliage up to 4 m high was sprayed to point of run - off . There was 100 % cover ...
Page 151
... assessments 15 days later . Mortality was assessed from 10 of each stage / leaf and from two leaves per stage from each of the four replicates . In addition , young leaves were picked the day after spraying and sections of leaves ...
... assessments 15 days later . Mortality was assessed from 10 of each stage / leaf and from two leaves per stage from each of the four replicates . In addition , young leaves were picked the day after spraying and sections of leaves ...
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