Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
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Page 31
ROOT KNOT AND STEM NEMATODES OF LUCERNE G. S. GRANDISON Entomology Division , DSIR , Auckland Summary The two most important nematode parasites of lucerne ( Medicago sativa ) are root knot nematode ( Meloidogyne hapla ) and stem ...
ROOT KNOT AND STEM NEMATODES OF LUCERNE G. S. GRANDISON Entomology Division , DSIR , Auckland Summary The two most important nematode parasites of lucerne ( Medicago sativa ) are root knot nematode ( Meloidogyne hapla ) and stem ...
Page 159
... root extract equivalent to 0.2 g root killed 100 % of treated grass grubs in 24 hours ( Table 1 ) . The ED % of the extract was equivalent to 0.063 g fresh root . Lotus cornicu- latus root extract was considerably less toxic to grass ...
... root extract equivalent to 0.2 g root killed 100 % of treated grass grubs in 24 hours ( Table 1 ) . The ED % of the extract was equivalent to 0.063 g fresh root . Lotus cornicu- latus root extract was considerably less toxic to grass ...
Page 147
... root - knot nematode ( Meloidogyne hapla ) infecting kiwifruit ( Actinidia chinensis ) , fenamiphos 40 % at 15 kg ... root - knot nematode which is present in all growing regions . It is not known if root - knot nematode invasion reduces ...
... root - knot nematode ( Meloidogyne hapla ) infecting kiwifruit ( Actinidia chinensis ) , fenamiphos 40 % at 15 kg ... root - knot nematode which is present in all growing regions . It is not known if root - knot nematode invasion reduces ...
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