Proceedings of the New Zealand Weed and Pest Control Conference1981 - Pesticides |
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Page 5
... spray programme correctly and the degree of precision required have been established ( Lauren et al 1978 ; East et al 1979 ) . A programme of three successive sprays of synthetic pyrethroid insecticide applied at 6 - day intervals can ...
... spray programme correctly and the degree of precision required have been established ( Lauren et al 1978 ; East et al 1979 ) . A programme of three successive sprays of synthetic pyrethroid insecticide applied at 6 - day intervals can ...
Page 6
... spray date was chosen as described by the predictive methods . Subsequent spray dates for the IMP treatments were set , and delays in one spray did not affect the next . Delays in the first spray date for Trigger treatments delayed the ...
... spray date was chosen as described by the predictive methods . Subsequent spray dates for the IMP treatments were set , and delays in one spray did not affect the next . Delays in the first spray date for Trigger treatments delayed the ...
Page 308
RATIONALISATION OF SPRAY PROGRAMMES FOR CONTROL OF INSECT PESTS IN BRUSSELS SPROUTS . T.A. JACKSON Agricultural Research Division , MAF , P.O. Box 24 , Lincoln . SUMMARY The effect of a reduced spray programme on marketable yield of ...
RATIONALISATION OF SPRAY PROGRAMMES FOR CONTROL OF INSECT PESTS IN BRUSSELS SPROUTS . T.A. JACKSON Agricultural Research Division , MAF , P.O. Box 24 , Lincoln . SUMMARY The effect of a reduced spray programme on marketable yield of ...
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