Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
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Page 224
... stages occurred among the immature group of Allolobophora spp , reaching a maximum of 76 % at 18 weeks . There was compara- TABLE 1 : Percent reduction of developmental stages of Allolobophora spp and L. rubellus from 2 kg / ha phorate ...
... stages occurred among the immature group of Allolobophora spp , reaching a maximum of 76 % at 18 weeks . There was compara- TABLE 1 : Percent reduction of developmental stages of Allolobophora spp and L. rubellus from 2 kg / ha phorate ...
Page 44
... stages of growth . No evidence was found that the cotyledon stage seedlings were resistant to the herbicides tested but susceptibility tended to decrease with increasing age of seedling . INTRODUCTION In experiments on gorse seedling ...
... stages of growth . No evidence was found that the cotyledon stage seedlings were resistant to the herbicides tested but susceptibility tended to decrease with increasing age of seedling . INTRODUCTION In experiments on gorse seedling ...
Page 237
... stages ) ; 29.10.73 ( 90 active stages ) ; 29.9.75 ( 116 active stages plus 5 eggs ) . The mites were airfreighted in short lengths of plastic drinking straws with aeration slits and packed according to the method of Croft ( 1976 ) . In ...
... stages ) ; 29.10.73 ( 90 active stages ) ; 29.9.75 ( 116 active stages plus 5 eggs ) . The mites were airfreighted in short lengths of plastic drinking straws with aeration slits and packed according to the method of Croft ( 1976 ) . In ...
Contents
Chairmans summary | 1 |
Notillage establishment of lucerne G C Atkinson | 9 |
Insects affecting lucerne seed production | 19 |
Copyright | |
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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