Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
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Page 17
... present survey personnel from several scientific disciplines were present in the field at one time , necessitating the use of a sampling technique which collected insects rapidly and which could be used in a variety of weather ...
... present survey personnel from several scientific disciplines were present in the field at one time , necessitating the use of a sampling technique which collected insects rapidly and which could be used in a variety of weather ...
Page 43
... present . Symptoms Symptoms present on plant but restricted to 3 leaves per stem . Symptoms generally restricted to the lowest quarter of the stem . No defoliation present . Little defoliation but symptoms present on leaves in the lower ...
... present . Symptoms Symptoms present on plant but restricted to 3 leaves per stem . Symptoms generally restricted to the lowest quarter of the stem . No defoliation present . Little defoliation but symptoms present on leaves in the lower ...
Page 228
... present the economic significance of the disease and features of its life cycle in New Zealand are being investigated . Spot blotch appears to be confined mainly to the warmer regions of the northern South Island , but is present in all ...
... present the economic significance of the disease and features of its life cycle in New Zealand are being investigated . Spot blotch appears to be confined mainly to the warmer regions of the northern South Island , but is present in all ...
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