Proceedings of the New Zealand Weed and Pest Control Conference1981 - Pesticides |
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Page 8
... lindane was mainly affecting beetles rather than young larvae . Lindane drilled at a rate of 1 kg / ha into pasture around the trial site had not affected larval numbers in the August sampling but by the following April , an 86 ...
... lindane was mainly affecting beetles rather than young larvae . Lindane drilled at a rate of 1 kg / ha into pasture around the trial site had not affected larval numbers in the August sampling but by the following April , an 86 ...
Page 9
... lindane at two rates . Insecticide Weeks after rate ( kg / ha ) treatment Insecticide residues ( ppm ) * Rot . Nga . Rot . Larvae ** affected ( out of 50 ) Nga . isazophos 1.0 isazophos 1.0 12 isazophos 2.0 isazophos 2.0 12 lindane 1.0 ...
... lindane at two rates . Insecticide Weeks after rate ( kg / ha ) treatment Insecticide residues ( ppm ) * Rot . Nga . Rot . Larvae ** affected ( out of 50 ) Nga . isazophos 1.0 isazophos 1.0 12 isazophos 2.0 isazophos 2.0 12 lindane 1.0 ...
Page 101
... lindane 25 % . Ten months after treatment populations had increased approximately threefold on control and fourfold on the insecticide treated plots , nullifying all treatment effects . Grazing trial DISCUSSION On pasture over the early ...
... lindane 25 % . Ten months after treatment populations had increased approximately threefold on control and fourfold on the insecticide treated plots , nullifying all treatment effects . Grazing trial DISCUSSION On pasture over the early ...
Contents
A relationship between seed yield of white clover and density of yarrow G | 5 |
Fungicide seed treatment to improve establishment of ryegrasses and other | |
Weed control in lentils J H B Butler and W A Jermyn | 3 |
Copyright | |
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35th N.Z. Weed adult Agric aphid application Argentine stem weevil asparagus assessed atrazine Auckland bait barley beetle Canterbury chemical chlorpyrifos Christchurch crop cultivars damage density diazinon diquat disease diuron DSIR effect endophyte EPTC ester fensulfothion field trials foliar formulation fungicide g/ha gave germination glyphosate gorse grass grub grazing growth Hamilton harvest herbicides hexazinone infection insecticide kg ai/ha kg/ha kiwifruit larvae leaf levels lindane linuron litres/ha loam lucerne MCPA METHODS nematodes nodding thistle numbers oxamyl P.O. Box paddocks Palmerston North paraquat pasture permethrin Pest Control Conf picloram plants plots populations porina post-emergence Proc prochloraz production programme pyrethroids ragwort reduced regrowth replicates residues Ruakura ryegrass samples season seed treatment seedlings significant significantly simazine slug soil sown species spray stage stripe rust Table tamarillo tested triadimefon triclopyr untreated Weed and Pest weed control weeks wheat white clover yield Zealand