Proceedings of the New Zealand Weed and Pest Control Conference1981 - Pesticides |
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... crop damage . Chlorpropham was least effective on cleavers and very damaging to young onions at the high rate ( 1.6 kg / ha ) in one trial . INTRODUCTION In recent years cleavers has become a problem weed in some onion crops in the ...
... crop damage . Chlorpropham was least effective on cleavers and very damaging to young onions at the high rate ( 1.6 kg / ha ) in one trial . INTRODUCTION In recent years cleavers has become a problem weed in some onion crops in the ...
Page 332
... crop mirid , but it occurred largely as adults on asparagus fern . Removal or breakdown of crop residues during winter , and weed control in crops and adjacent verges are important control measures . INTRODUCTION The potato mirid ( PM ) ...
... crop mirid , but it occurred largely as adults on asparagus fern . Removal or breakdown of crop residues during winter , and weed control in crops and adjacent verges are important control measures . INTRODUCTION The potato mirid ( PM ) ...
Page 174
... crop damage , plant numbers and pod yields showed that alachlor at 2 kg ai / ha was not tolerated by the crop . The damage symptoms included crinkling and blackening of leaves and reduction in the height and vigour of plants . Some ...
... crop damage , plant numbers and pod yields showed that alachlor at 2 kg ai / ha was not tolerated by the crop . The damage symptoms included crinkling and blackening of leaves and reduction in the height and vigour of plants . Some ...
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