Proceedings of the New Zealand Weed and Pest Control Conference, Volume 391986 - Pesticides |
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Page 42
... infestations by 85 % ( P < 0.001 , Table 2 ) . Similar reductions occurred in the seed and root populations , and in Pratylenchus and Meloidogyne . The greater nematode infestation per seedling occurring on the blanket herbicide ...
... infestations by 85 % ( P < 0.001 , Table 2 ) . Similar reductions occurred in the seed and root populations , and in Pratylenchus and Meloidogyne . The greater nematode infestation per seedling occurring on the blanket herbicide ...
Page 139
... infestation levels as the season progressed , and fruit samples showed an increasing infestation from mid - February onwards . Mean crawler numbers over all sampling occasions varied appreciably between band sites and between sampling ...
... infestation levels as the season progressed , and fruit samples showed an increasing infestation from mid - February onwards . Mean crawler numbers over all sampling occasions varied appreciably between band sites and between sampling ...
Page 140
... infestation determined previously by band sampling for crawlers . Number of crawlers trapped on the first sampling occasion ( the second was not tested ) in block B was positively related to percentage infested fruit at harvest ( Fig ...
... infestation determined previously by band sampling for crawlers . Number of crawlers trapped on the first sampling occasion ( the second was not tested ) in block B was positively related to percentage infested fruit at harvest ( Fig ...
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