Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
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Page 143
... insect growth regulators against some of New Zealand's major insect pests . Among the latter compounds are a group of benzoyl - phenyl ureas , discovered by Philips - Duphar B.V. of the Netherlands . The first reported compound of this ...
... insect growth regulators against some of New Zealand's major insect pests . Among the latter compounds are a group of benzoyl - phenyl ureas , discovered by Philips - Duphar B.V. of the Netherlands . The first reported compound of this ...
Page 196
... insects occur less regularly but can severely damage seedlings where they occur in large numbers . For any insect control programme to be successful a full under- standing of life cycles and feeding habits is essential . This ...
... insects occur less regularly but can severely damage seedlings where they occur in large numbers . For any insect control programme to be successful a full under- standing of life cycles and feeding habits is essential . This ...
Page 91
... insect damage experienced in the first than the second year ( P < 0.05 ) . The extent of insect damage was greatest in the one pass treatment ( P < 0.05 ) , least in the conventional tillage and rotary hoeing treatments ( P < 0.05 ) ...
... insect damage experienced in the first than the second year ( P < 0.05 ) . The extent of insect damage was greatest in the one pass treatment ( P < 0.05 ) , least in the conventional tillage and rotary hoeing treatments ( P < 0.05 ) ...
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