Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
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Page 28
... tests were conducted . In the first test five insecticides were tested as foliar sprays applied to lucerne ( Table 1 ) . The sprays were applied by knapsack sprayer at the rate of 550 litres / ha and the lucerne was approximately 30 cm ...
... tests were conducted . In the first test five insecticides were tested as foliar sprays applied to lucerne ( Table 1 ) . The sprays were applied by knapsack sprayer at the rate of 550 litres / ha and the lucerne was approximately 30 cm ...
Page 176
... tested . When compared with fensulfothion , isazophos gave further promising results for the control of black beetle in pasture , particularly when applied in late November / early Decem- ber . INTRODUCTION Damage to pasture by black ...
... tested . When compared with fensulfothion , isazophos gave further promising results for the control of black beetle in pasture , particularly when applied in late November / early Decem- ber . INTRODUCTION Damage to pasture by black ...
Page 62
... tested , gave more than 90 % reduction in growth . If it is assumed that the slope of the regression line relating log application rate to percentage growth reduc- tion is similar to that of most other chemicals tested , the GR50 of ...
... tested , gave more than 90 % reduction in growth . If it is assumed that the slope of the regression line relating log application rate to percentage growth reduc- tion is similar to that of most other chemicals tested , the GR50 of ...
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