Proceedings of the New Zealand Weed and Pest Control Conference, Volume 391986 - Pesticides |
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Page 138
138 MONITORING GREEDY SCALE CRAWLER ACTIVITY ON KIWIFRUIT
VINES M . G . HILL , D . J . ALLAN , C ... the trunk were correlated with crawler
numbers on other woody parts of the vine , and with percentage infested fruit at
harvest .
138 MONITORING GREEDY SCALE CRAWLER ACTIVITY ON KIWIFRUIT
VINES M . G . HILL , D . J . ALLAN , C ... the trunk were correlated with crawler
numbers on other woody parts of the vine , and with percentage infested fruit at
harvest .
Page 139
Matahui Orchard near Katikati ( pergola , 5 yr old vines ) ; bands changed at 2 -
week intervals on 12 vines randomly chosen on each occasion from a block of 72
vines . The vines had all received winter oil applications in the previous 2 years ...
Matahui Orchard near Katikati ( pergola , 5 yr old vines ) ; bands changed at 2 -
week intervals on 12 vines randomly chosen on each occasion from a block of 72
vines . The vines had all received winter oil applications in the previous 2 years ...
Page 140
1 : Seasonal variation in crawler abundance on the woody parts of vines at Te
Puke , expressed as the sum of the average crawler densities from each of the six
within - vine sampling sites . Data from two sets of nine vines , 1985 / 86 .
1 : Seasonal variation in crawler abundance on the woody parts of vines at Te
Puke , expressed as the sum of the average crawler densities from each of the six
within - vine sampling sites . Data from two sets of nine vines , 1985 / 86 .
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Contents
Presidential Address | 13 |
Effect of application volume and spray additive concentration on the control | 89 |
The effect of metsulfuron on sweet brier M McD Turner G Iggo | 95 |
Copyright | |
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activity adult aphid application asparagus assessed Auckland block caused Centre chemicals clopyralid compared counts cover crop damage density DISCUSSION disease DSIR effect eggs emergence establishment experiments field formulation four fruit fungicides gave glyphosate gorse grass grass grub ground growth Hamilton harvest height herbicide higher important increased indicated infested insect insecticide kg ai/ha larvae leaf leaves less levels lower lucerne March Mean measured METHODS months mortality North numbers observed occurred P.O. Box pasture Pest Control Conf plants plots population present Private Proc production pupae ragwort range rates reduced REFERENCES replicates reported Research residues root ryegrass samples scale season seed seedlings showed significant significantly similar soil spears species spray spring stage stem Table tested thistle treated treatments trees trials untreated vines Weed and Pest weed control weeks weevil whitefly yield Zealand