Proceedings of the New Zealand Weed and Pest Control Conference1981 - Pesticides |
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Page 223
... soil screened and reseeded to determine the residual activity . In addition , 400 g of soil was taken and analysed for EPTC content by chromatography ( Table 2 ) . N.Z. field trials In 1980-81 , seven small plot field trials were ...
... soil screened and reseeded to determine the residual activity . In addition , 400 g of soil was taken and analysed for EPTC content by chromatography ( Table 2 ) . N.Z. field trials In 1980-81 , seven small plot field trials were ...
Page 328
... soil containing 1 , 10 and 100 ppm of nineteen herbicides . Mortality was caused only by trifluralin which killed all worms at 100 ppm . The worms survived but lost weight in 100 ppm of oxadiazon , 2,4 - D , prometryn , MCPB ...
... soil containing 1 , 10 and 100 ppm of nineteen herbicides . Mortality was caused only by trifluralin which killed all worms at 100 ppm . The worms survived but lost weight in 100 ppm of oxadiazon , 2,4 - D , prometryn , MCPB ...
Page 79
... soil infested with Verticillium albo - atrum as a cost - saving alternative to overall soil fumigation . Ridge fumigation with dazomet at three rates ( 228 , 190 , 152 kg ai / ha ) gave better yields than 66 % methyl bromide + 33 ...
... soil infested with Verticillium albo - atrum as a cost - saving alternative to overall soil fumigation . Ridge fumigation with dazomet at three rates ( 228 , 190 , 152 kg ai / ha ) gave better yields than 66 % methyl bromide + 33 ...
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