Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
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Page 25
... Insecticide trials RESULTS The results of the Massey University trial are summarised in Tables 1 and 2. Assessment 7 days after spraying showed that all insecticides gave significant reductions in aphid numbers , irrespective of insecticide ...
... Insecticide trials RESULTS The results of the Massey University trial are summarised in Tables 1 and 2. Assessment 7 days after spraying showed that all insecticides gave significant reductions in aphid numbers , irrespective of insecticide ...
Page 28
... insecticides ; particu- larly azinphos - methyl , dimethoate , and fenitrothion which were the only insecticides included in the field trials reported . INTRODUCTION The sitona weevil ( Sitona humeralis ) was discovered in large numbers ...
... insecticides ; particu- larly azinphos - methyl , dimethoate , and fenitrothion which were the only insecticides included in the field trials reported . INTRODUCTION The sitona weevil ( Sitona humeralis ) was discovered in large numbers ...
Page 160
... insecticides available at that time , even at very high rates , gave control of the pest . The authors ascribed the failure to adult females having limited contact with insecticide deposits under field conditions and concluded that ...
... insecticides available at that time , even at very high rates , gave control of the pest . The authors ascribed the failure to adult females having limited contact with insecticide deposits under field conditions and concluded that ...
Contents
Chairmans summary | 1 |
Notillage establishment of lucerne G C Atkinson | 9 |
Insects affecting lucerne seed production | 19 |
Copyright | |
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Common terms and phrases
29th N.Z. Weed activity adults Agric Agricultural Research Centre alachlor aphid application areas assessed asulam atrazine Auckland autumn azinphos-methyl barley grass benomyl BGLA black beetle blue-green lucerne aphid brassicas Canterbury carbofuran chemical chlorpyrifos Christchurch crop cultivars cypermethrin damage diflubenzuron disease DSIR effect emergence ethofumesate fensulfothion field trials foliage fungicides germination gorse granules grass grub growth Hamilton harvest herbicides increased insect insecticides isazophos kg/ha larvae leaf legumes Lincoln linuron litres/ha lucerne lucerne yield maize method mite nematode North Island numbers oats P.O. Box Palmerston North paraquat pasture Pest Control Conf phorate picloram plants plots population post-emergence Proc pyri rates reduced replicates residual resistant Ruakura Ruakura Agricultural Research ryegrass samples season seed seedlings significant significantly soil sowing sown species spray sprayer spring stage summer Table tested treatments triclopyr untreated Weed and Pest weed control weeks weevil Wellington white clover white-fringed weevil Zealand