Proceedings of the New Zealand Weed and Pest Control Conference, Volume 391986 - Pesticides |
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Results 1-3 of 47
Page 185
To see if there were significant differences in the relative importance of the six weeds over the two seasons or between maps , correlation coefficients were calculated for cover values . The correlation coefficient will be close to 1.0 ...
To see if there were significant differences in the relative importance of the six weeds over the two seasons or between maps , correlation coefficients were calculated for cover values . The correlation coefficient will be close to 1.0 ...
Page 186
186 The cover data are important in four ways ; for assessing variation between years , variation between maps , the relative and absolute importance of the different species and the overall levels of total weed cover .
186 The cover data are important in four ways ; for assessing variation between years , variation between maps , the relative and absolute importance of the different species and the overall levels of total weed cover .
Page 232
The relative importance of the root - feeding invertebrates observed during this study is shown in Table 3. The most important herbivores were worms . Less important were slugs , Collembola and Enchytraeidae . Least important apparently ...
The relative importance of the root - feeding invertebrates observed during this study is shown in Table 3. The most important herbivores were worms . Less important were slugs , Collembola and Enchytraeidae . Least important apparently ...
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Contents
Author Index | 9 |
PASTURE PESTS | 15 |
Field testing of seed protectants against black field cricket attack | 22 |
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