Proceedings of the New Zealand Weed and Pest Control Conference, Volume 391986 - Pesticides |
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Page 39
Similarly , there were no measureable carry - over effects on foliar nitrogen levels in the 1983-84 season ( Table 1 ) ... In contrast , in the 1985-86 season , after a level of larval attack only half as intense ( and on older plants ) ...
Similarly , there were no measureable carry - over effects on foliar nitrogen levels in the 1983-84 season ( Table 1 ) ... In contrast , in the 1985-86 season , after a level of larval attack only half as intense ( and on older plants ) ...
Page 123
Weevil population densities and levels of parasitism From 8.2.85 to 10.4.85 and 13.2.85 to 11.11.85 weevils were randomly collected at weekly intervals from aestivation sites and a lucerne stand respectively .
Weevil population densities and levels of parasitism From 8.2.85 to 10.4.85 and 13.2.85 to 11.11.85 weevils were randomly collected at weekly intervals from aestivation sites and a lucerne stand respectively .
Page 146
The residue levels from the whole fruit at harvest in the 1984/85 trial showed no differences between treatments . Residue levels on fruit from pergola trained vines were highest , but all residues were within the maximum limits ...
The residue levels from the whole fruit at harvest in the 1984/85 trial showed no differences between treatments . Residue levels on fruit from pergola trained vines were highest , but all residues were within the maximum limits ...
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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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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