Proceedings of the New Zealand Weed and Pest Control Conference1981 - Pesticides |
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Page 175
... period was greatly extended ( 30-40 days ) and this slowed the rate of spread . As temperatures increased during September and October the latent period became rapidly shorter and reached its minimum ( 12-14 days ) between late November ...
... period was greatly extended ( 30-40 days ) and this slowed the rate of spread . As temperatures increased during September and October the latent period became rapidly shorter and reached its minimum ( 12-14 days ) between late November ...
Page 250
... period there was a steady rise in air and soil temperature ( Fig . 2 ) . Temperature was monitored as it has a four fold effect . Temperature may affect the rate of turf breakdown , rate of larval transfer to maize seedlings , the rate ...
... period there was a steady rise in air and soil temperature ( Fig . 2 ) . Temperature was monitored as it has a four fold effect . Temperature may affect the rate of turf breakdown , rate of larval transfer to maize seedlings , the rate ...
Page 317
... periods . In this trial , weed control during the 8 week period following crop sowing was critical for the attainment of maximum beet yield ( Fig . 2 ) . The seasonal pattern of weed germination and growth was such that increasing the ...
... periods . In this trial , weed control during the 8 week period following crop sowing was critical for the attainment of maximum beet yield ( Fig . 2 ) . The seasonal pattern of weed germination and growth was such that increasing the ...
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