Proceedings of the New Zealand Weed and Pest Control Conference, Volume 391986 - Pesticides |
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Page 15
... grub ( Costelytra zealandica ) in pasture . A conventional 10 tonne agricultural roller gave no significant grass grub mortality or pasture yield increase . The other rollers which were specially constructed for grass grub control ...
... grub ( Costelytra zealandica ) in pasture . A conventional 10 tonne agricultural roller gave no significant grass grub mortality or pasture yield increase . The other rollers which were specially constructed for grass grub control ...
Page 17
... grub density was performed after transformation of data to natural logarithms . The LSR ( Table 1 ) is the back ... Grub Ten days before treatments were applied , the grass grub population was 486 / m2 . The vertical distribution of ...
... grub density was performed after transformation of data to natural logarithms . The LSR ( Table 1 ) is the back ... Grub Ten days before treatments were applied , the grass grub population was 486 / m2 . The vertical distribution of ...
Page 20
... grub mortality in the non - irrigated plots , whereas with irrigation , a 52 % mortality occurred after rolling ( Table 1 ) . Irrigation alone did not result in grass grub mortality . Grass grub mortality from rolling in April , when ...
... grub mortality in the non - irrigated plots , whereas with irrigation , a 52 % mortality occurred after rolling ( Table 1 ) . Irrigation alone did not result in grass grub mortality . Grass grub mortality from rolling in April , when ...
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