Proceedings of the New Zealand Weed and Pest Control Conference1981 - Pesticides |
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Page 3
... activity of the synthetic pyrethroids . In fact , bendiocarb subsequently applied at 1 kg / ha in a 2 - spray treatment against grass grub beetles was ineffective in the field ( Henzell and Lauren , unpublished data ) , whereas ...
... activity of the synthetic pyrethroids . In fact , bendiocarb subsequently applied at 1 kg / ha in a 2 - spray treatment against grass grub beetles was ineffective in the field ( Henzell and Lauren , unpublished data ) , whereas ...
Page 222
... activity with repeated use of EPTC + ) showed that autoclaving the soil restored EPTC + activity , confirming that rapid breakdown by soil micro - organism was the major reason for the lack of weed control ( Grey 1979 ) . Following ...
... activity with repeated use of EPTC + ) showed that autoclaving the soil restored EPTC + activity , confirming that rapid breakdown by soil micro - organism was the major reason for the lack of weed control ( Grey 1979 ) . Following ...
Page 264
... activity . The action of pyrethroid insecticides against spider mites is complex . Direct toxicity can be measured by slide dip tests and these have often been used to compare direct acaricidal activity ( e.g. Chapman and Penman 1979 ...
... activity . The action of pyrethroid insecticides against spider mites is complex . Direct toxicity can be measured by slide dip tests and these have often been used to compare direct acaricidal activity ( e.g. Chapman and Penman 1979 ...
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