Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
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Page 31
... nematode parasites of lucerne ( Medicago sativa ) are root knot nematode ( Meloidogyne hapla ) and stem nematode ( Ditylenchus dipsaci ) . Both nematodes may be con- tributing factors to poor establishment , general decline , and poor ...
... nematode parasites of lucerne ( Medicago sativa ) are root knot nematode ( Meloidogyne hapla ) and stem nematode ( Ditylenchus dipsaci ) . Both nematodes may be con- tributing factors to poor establishment , general decline , and poor ...
Page 32
... NEMATODE AND YIELD OF LUCERNE 1974 Treatment oxamyl 10G Rate No. nematodes / g Yield kg / ha root kg DM / ha 9 1946 a 2232 a fenamiphos 10G 9 1795 a 2294 a carbofuran 10G 9 1033 a 2333 a ethoprophos 20G 9 3135 a 1826 b ...
... NEMATODE AND YIELD OF LUCERNE 1974 Treatment oxamyl 10G Rate No. nematodes / g Yield kg / ha root kg DM / ha 9 1946 a 2232 a fenamiphos 10G 9 1795 a 2294 a carbofuran 10G 9 1033 a 2333 a ethoprophos 20G 9 3135 a 1826 b ...
Page 33
... NEMATODE COUNTS mean of 12 replications ) ( 21 days after treatment - Rate Treatment kg / ha No. nematodes / 10 plants No. nematodes / Yield 100 g soil kg DM / ha oxamyl 10G 8 321 a 30 3809 a fenamiphos 10G 8 1182 ab 48 3707 a isazophos ...
... NEMATODE COUNTS mean of 12 replications ) ( 21 days after treatment - Rate Treatment kg / ha No. nematodes / 10 plants No. nematodes / Yield 100 g soil kg DM / ha oxamyl 10G 8 321 a 30 3809 a fenamiphos 10G 8 1182 ab 48 3707 a isazophos ...
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