Proceedings of the New Zealand Weed and Pest Control Conference, Volume 391986 - Pesticides |
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Page 17
... Similar proportions of each developmental stage were present at each depth : 14 % overwintering second instars , 61 % immature ( feeding ) third instars and 25 % mature ( non - feeding ) third instars . Rollers 2 and 4 caused 60 % and ...
... Similar proportions of each developmental stage were present at each depth : 14 % overwintering second instars , 61 % immature ( feeding ) third instars and 25 % mature ( non - feeding ) third instars . Rollers 2 and 4 caused 60 % and ...
Page 83
... similar to those for radiata pine seedlings . After 2 weeks the maximum amount recovered represented only 2 % of the amount applied . Little or no hexazinone could be detected in grass samples after 4 weeks ; this also coincided with ...
... similar to those for radiata pine seedlings . After 2 weeks the maximum amount recovered represented only 2 % of the amount applied . Little or no hexazinone could be detected in grass samples after 4 weeks ; this also coincided with ...
Page 258
... similar ( 175 : 143 ) but again RGA predominated in field collections ( 182 : 10 ) ( Table 3 ) . Similar collections of immigrant winged adults on spring cereals in November 1983-1984 also showed a predominance of RGA ( 48 ) over CA ( 1 ) ...
... similar ( 175 : 143 ) but again RGA predominated in field collections ( 182 : 10 ) ( Table 3 ) . Similar collections of immigrant winged adults on spring cereals in November 1983-1984 also showed a predominance of RGA ( 48 ) over CA ( 1 ) ...
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