Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
From inside the book
Results 1-3 of 79
Page 151
... population showed no marked difference to the emergence population . Throughout the trial programme seed treatment was consistently effective in significantly increasing the establishment populations of peas over a range of sowing dates ...
... population showed no marked difference to the emergence population . Throughout the trial programme seed treatment was consistently effective in significantly increasing the establishment populations of peas over a range of sowing dates ...
Page 84
... population and the resis- tant population were made by plating the broth culture onto nutrient agar and onto nutrient agar containing 100 ppm streptomycin sulphate . At 24 h intervals the mixed population was sampled to determine any ...
... population and the resis- tant population were made by plating the broth culture onto nutrient agar and onto nutrient agar containing 100 ppm streptomycin sulphate . At 24 h intervals the mixed population was sampled to determine any ...
Page 149
POPULATION DYNAMICS OF BLUE - GREEN LUCERNE APHID IN THE LOWER NORTH ISLAND CATHERINE A. RICHARDSON Plant Health and Diagnostic Station , MAF , Levin Summary The results of a monitoring survey of blue - green lucerne aphid ...
POPULATION DYNAMICS OF BLUE - GREEN LUCERNE APHID IN THE LOWER NORTH ISLAND CATHERINE A. RICHARDSON Plant Health and Diagnostic Station , MAF , Levin Summary The results of a monitoring survey of blue - green lucerne aphid ...
Contents
Chairmans summary | 1 |
Notillage establishment of lucerne G C Atkinson | 9 |
Insects affecting lucerne seed production | 19 |
Copyright | |
27 other sections not shown
Other editions - View all
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