Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
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Page 57
... predicted , rather than the safety of the aircraft , appeared to be one of the main reasons for the restriction on flying hours . Before a research programme to investigate ways of improving aircraft utilisation could be developed , it ...
... predicted , rather than the safety of the aircraft , appeared to be one of the main reasons for the restriction on flying hours . Before a research programme to investigate ways of improving aircraft utilisation could be developed , it ...
Page 142
... predicting likely second year control from paddock scale usage . Pasture responses following treatment generally related to the levels of grass grub control achieved , but were also related to the extent and degrees of damage at ...
... predicting likely second year control from paddock scale usage . Pasture responses following treatment generally related to the levels of grass grub control achieved , but were also related to the extent and degrees of damage at ...
Page 197
... predict whether a black beetle attack is likely to be severe . At present , there is no control measure available once an attack occurs and recent work has concentrated on application of granular insecticides at the time of sowing ...
... predict whether a black beetle attack is likely to be severe . At present , there is no control measure available once an attack occurs and recent work has concentrated on application of granular insecticides at the time of sowing ...
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