Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
From inside the book
Results 1-3 of 85
Page 67
... Herbicides Farmers were asked what criterion they considered most important in herbicide use , ' pasture tolerance ' , ' barley grass control ' or ' both ' and when they would prefer to apply herbicides . Barley grass control was placed ...
... Herbicides Farmers were asked what criterion they considered most important in herbicide use , ' pasture tolerance ' , ' barley grass control ' or ' both ' and when they would prefer to apply herbicides . Barley grass control was placed ...
Page 34
... herbicide performance . INTRODUCTION The wide range of herbicides in common use for the treatment of ragwort suggests that none are entirely satisfactory for the control of this weed . For many years the liquid form of 2,4 - D has been ...
... herbicide performance . INTRODUCTION The wide range of herbicides in common use for the treatment of ragwort suggests that none are entirely satisfactory for the control of this weed . For many years the liquid form of 2,4 - D has been ...
Page 25
... herbicides , were used for bioassay , the residual toxicity of the mixture was statistically similar to that recorded from the same rate of two herbicides applied separately . INTRODUCTION One of the commonly used herbicide combinations ...
... herbicides , were used for bioassay , the residual toxicity of the mixture was statistically similar to that recorded from the same rate of two herbicides applied separately . INTRODUCTION One of the commonly used herbicide combinations ...
Contents
Chairmans summary | 1 |
Notillage establishment of lucerne G C Atkinson | 9 |
Insects affecting lucerne seed production | 19 |
Copyright | |
27 other sections not shown
Other editions - View all
Common terms and phrases
29th N.Z. Weed activity adults Agric Agricultural Research Centre alachlor aphid application areas assessed asulam atrazine Auckland autumn azinphos-methyl barley grass benomyl BGLA black beetle blue-green lucerne aphid brassicas Canterbury carbofuran chemical chlorpyrifos Christchurch crop cultivars cypermethrin damage diflubenzuron disease DSIR effect emergence ethofumesate fensulfothion field trials foliage fungicides germination gorse granules grass grub growth Hamilton harvest herbicides increased insect insecticides isazophos kg/ha larvae leaf legumes Lincoln linuron litres/ha lucerne lucerne yield maize method mite nematode North Island numbers oats P.O. Box Palmerston North paraquat pasture Pest Control Conf phorate picloram plants plots population post-emergence Proc pyri rates reduced replicates residual resistant Ruakura Ruakura Agricultural Research ryegrass samples season seed seedlings significant significantly soil sowing sown species spray sprayer spring stage summer Table tested treatments triclopyr untreated Weed and Pest weed control weeks weevil Wellington white clover white-fringed weevil Zealand