Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
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Page 15
... occurred in all areas sampled regardless of crop age . Its abundance in samples varied considerably , but high numbers were taken sufficiently often to warrant further investigation of its pest status . Lucerne fleas are capable of ...
... occurred in all areas sampled regardless of crop age . Its abundance in samples varied considerably , but high numbers were taken sufficiently often to warrant further investigation of its pest status . Lucerne fleas are capable of ...
Page 20
... occurred throughout New Zealand was abundant in central and southern parts of the South Island . The other species occurred throughout the South Island but were more abundant to the north . The lucerne seed chalcid ( Bruchophagus roddi ) ...
... occurred throughout New Zealand was abundant in central and southern parts of the South Island . The other species occurred throughout the South Island but were more abundant to the north . The lucerne seed chalcid ( Bruchophagus roddi ) ...
Page 86
... occurred in the 1974-75 season while in 1975-76 an epiphytotic occurred , reducing the green bean crop yield by at least 25 % . Although severe infection occurred in breeding nurseries at Lincoln this season , only 4 % infection was ...
... occurred in the 1974-75 season while in 1975-76 an epiphytotic occurred , reducing the green bean crop yield by at least 25 % . Although severe infection occurred in breeding nurseries at Lincoln this season , only 4 % infection was ...
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