Proceedings of the New Zealand Weed and Pest Control Conference, Volume 391986 - Pesticides |
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Page 134
for assessment of greedy scale mortality and residue analysis . Samples were collected at fortnightly intervals over 2 months . A pre - spray sample was also taken to assess stage composition of the population and natural scale ...
for assessment of greedy scale mortality and residue analysis . Samples were collected at fortnightly intervals over 2 months . A pre - spray sample was also taken to assess stage composition of the population and natural scale ...
Page 212
Samples were taken for assessment of insect mortality before storage and at intervals of 2 days thereafter until 14 days . A final sample was assessed after 18 days of storage . Four jars were taken from each gas treatment on each ...
Samples were taken for assessment of insect mortality before storage and at intervals of 2 days thereafter until 14 days . A final sample was assessed after 18 days of storage . Four jars were taken from each gas treatment on each ...
Page 245
Mortality at first instar was probably due to handling during the transfer of newly emerged larvae into rearing containers . Mortality of prepupal and pupal stages was low ( 0-2 % ) . Egg mortality could be reduced by leaving eggs ...
Mortality at first instar was probably due to handling during the transfer of newly emerged larvae into rearing containers . Mortality of prepupal and pupal stages was low ( 0-2 % ) . Egg mortality could be reduced by leaving eggs ...
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Contents
Author Index | 9 |
PASTURE PESTS | 15 |
Field testing of seed protectants against black field cricket attack | 22 |
Copyright | |
31 other sections not shown
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Common terms and phrases
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