Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
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Page 89
... post - emergence but chloroxuron gave reasonable control with little crop damage . INTRODUCTION New varieties of lupin ( Lupinus spp ) show promise as high protein seed or forage crops for New Zealand conditions but effective weed ...
... post - emergence but chloroxuron gave reasonable control with little crop damage . INTRODUCTION New varieties of lupin ( Lupinus spp ) show promise as high protein seed or forage crops for New Zealand conditions but effective weed ...
Page 94
... pre - emergence , completely eliminated ' Huia ' at rates above 0.25 kg / ha while suckling clover required much higher rates ( 1-2 kg / ha ) for effective control . Post - emergence treatments also gave good control though not as ...
... pre - emergence , completely eliminated ' Huia ' at rates above 0.25 kg / ha while suckling clover required much higher rates ( 1-2 kg / ha ) for effective control . Post - emergence treatments also gave good control though not as ...
Page 87
... pre - emergence applica- tions , irrigation ( 8-12 mm ) was applied . Post emergence applications were made about 6 weeks after sowing when the broccoli was 12-15 cm high . Detailed weed counts were made approximately 8 weeks after ...
... pre - emergence applica- tions , irrigation ( 8-12 mm ) was applied . Post emergence applications were made about 6 weeks after sowing when the broccoli was 12-15 cm high . Detailed weed counts were made approximately 8 weeks after ...
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