Proceedings of the New Zealand Weed and Pest Control Conference1981 - Pesticides |
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Page 5
... significant rate effect developed ( P◅ 0.05 ) with the high rate treatments having lower aphid numbers . There was a significant interaction ( P◅ 0.05 ) between rate and application method , due to the relatively poor performance of ...
... significant rate effect developed ( P◅ 0.05 ) with the high rate treatments having lower aphid numbers . There was a significant interaction ( P◅ 0.05 ) between rate and application method , due to the relatively poor performance of ...
Page 205
... significantly reduced disease incidence 2 weeks after sowing when compared to carb / thir and U / T in all cultivars , while in Trial B , significant differences existed in Takahe and Tiritea . An assessment of leaf area infected at GS ...
... significantly reduced disease incidence 2 weeks after sowing when compared to carb / thir and U / T in all cultivars , while in Trial B , significant differences existed in Takahe and Tiritea . An assessment of leaf area infected at GS ...
Page 278
... significant yield increase achieved with late spray treatments , a result to be expected from the decline in aphid numbers after flowering . Early sprays gave a significant ( P < 0.05 ) yield increase in both oat crops , where grains of ...
... significant yield increase achieved with late spray treatments , a result to be expected from the decline in aphid numbers after flowering . Early sprays gave a significant ( P < 0.05 ) yield increase in both oat crops , where grains 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