Proceedings of the New Zealand Weed and Pest Control Conference1981 - Pesticides |
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Page 87
... samples ( Table 2 ) . The shallow rotary hoed treatment had significantly ( P < 0.01 ) more samples with diseased larvae , and a lower incidence of disease in those larvae than the other treatments . In 1981 the distribution of disease ...
... samples ( Table 2 ) . The shallow rotary hoed treatment had significantly ( P < 0.01 ) more samples with diseased larvae , and a lower incidence of disease in those larvae than the other treatments . In 1981 the distribution of disease ...
Page 99
... sampling was continued for a further 4 weeks . Samples of pasture were collected at days after treatment ( D.A.T. ) 0 , 1 , 4 , 7 , 13 , 82 ( calving ) and 126. Each sample comprised 24 sub - samples which had been selected at random ...
... sampling was continued for a further 4 weeks . Samples of pasture were collected at days after treatment ( D.A.T. ) 0 , 1 , 4 , 7 , 13 , 82 ( calving ) and 126. Each sample comprised 24 sub - samples which had been selected at random ...
Page 137
... samples ( 10 ) were also taken . Each leaf and fruit sample was individually washed in acetone for 10 minutes and ... Samples ( 10-20 fruit ) were taken at intervals following the last spray and were stored at -18 ° C in polythene bags ...
... samples ( 10 ) were also taken . Each leaf and fruit sample was individually washed in acetone for 10 minutes and ... Samples ( 10-20 fruit ) were taken at intervals following the last spray and were stored at -18 ° C in polythene bags ...
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