Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
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Page 138
ISAZOPHOS : EVALUATION FOR GRASS GRUB CONTROL B. P. O'CONNOR and R. I. K. HART ICI New Zealand Ltd , Palmerston North and Christchurch Summary Four trials in the North Island and three in ... grass grub control B P O'Connor and R I K Hart.
ISAZOPHOS : EVALUATION FOR GRASS GRUB CONTROL B. P. O'CONNOR and R. I. K. HART ICI New Zealand Ltd , Palmerston North and Christchurch Summary Four trials in the North Island and three in ... grass grub control B P O'Connor and R I K Hart.
Page 211
... grass grub ( Costelytra zealandica ) adults during the early and major spring flights in October / November , 1976. Treatment effects were assessed by measuring the subsequent third instar larval generation on treated and control plots ...
... grass grub ( Costelytra zealandica ) adults during the early and major spring flights in October / November , 1976. Treatment effects were assessed by measuring the subsequent third instar larval generation on treated and control plots ...
Page 159
... grass grub ( Costelytra zealandica [ White ] , Melolonthinae ) populations in Canterbury , N.Z. Unpubl . PhD thesis , Lincoln College Library , University of Canterbury . 473 pp . East , R. , 1978. Effects of grazing management on grass ...
... grass grub ( Costelytra zealandica [ White ] , Melolonthinae ) populations in Canterbury , N.Z. Unpubl . PhD thesis , Lincoln College Library , University of Canterbury . 473 pp . East , R. , 1978. Effects of grazing management on grass ...
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