Proceedings of the New Zealand Weed and Pest Control Conference, Volume 391986 - Pesticides |
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Page 176
... Spring Spring Spring Spring Phosphate ( 100 kg / ha , 20.10.82 ) Nil Nitrogen ( 100 kg / ha , 20.10.82 Spring & and 4.4.83 ) Nil Nil Spring Autumn Autumn No 2,4 - D 204 107 47 130 58 a b с b с 2,4 - D 1.5 kg ai / ha 20.10.82 16 7 6 ...
... Spring Spring Spring Spring Phosphate ( 100 kg / ha , 20.10.82 ) Nil Nitrogen ( 100 kg / ha , 20.10.82 Spring & and 4.4.83 ) Nil Nil Spring Autumn Autumn No 2,4 - D 204 107 47 130 58 a b с b с 2,4 - D 1.5 kg ai / ha 20.10.82 16 7 6 ...
Page 189
... spring . This effect is similar to that observed with glyphosate applied in spring ( Popay and Thompson 1980 ) and provides further evidence that the presence of pasture in the spring inhibits the germination of nodding thistle seeds ...
... spring . This effect is similar to that observed with glyphosate applied in spring ( Popay and Thompson 1980 ) and provides further evidence that the presence of pasture in the spring inhibits the germination of nodding thistle seeds ...
Page 256
... spring barley were more abundant in October- November 1985 than in previous years . Spring barley cultivars Fleet , Mata and Magnum were less susceptible to BYDV than cv . Triumph . INTRODUCTION Barley yellow dwarf virus ( BYDV ) was ...
... spring barley were more abundant in October- November 1985 than in previous years . Spring barley cultivars Fleet , Mata and Magnum were less susceptible to BYDV than cv . Triumph . INTRODUCTION Barley yellow dwarf virus ( BYDV ) was ...
Contents
Author Index | 9 |
PASTURE PESTS | 15 |
Field testing of seed protectants against black field cricket attack | 22 |
Copyright | |
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39th N.Z. Weed adult alachlor aphid application asparagus assessed atrazine beetle benomyl biological control buprofezin BYDV Californian thistle captafol chemicals chlorpyrifos clopyralid cover crawlers crop damage density diazinon discoideus disease DSIR effect eggs fensulfothion field foliage formulation fruit fungicides glyphosate gorse grass grub greedy scale growers growth haloxyfop EE harvest herbicides hexazinone increased infested insect insecticide insensitive instar kg ai/ha kiwifruit larvae leaf litres litres/ha lucerne metalaxyl metsulfuron mg ai/litre miticides mortality nematodes numbers orchard P.O. Box Palmerston North paraquat parasite pasture pathogens persimilis Pest Control Conf pesticides plants plots population porina Proc prochloraz ragwort rates reduced regrowth replicates Research residues root Ruakura ryegrass samples season seed treatments seedlings significant significantly Silwet Sitona soil spears species spray sprayer surfactant Table tamarillo tested trees trials trifluralin untreated control vinclozolin vines Weed and Pest weed control weeks whitefly yield Zealand