Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
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Page 38
... thistle ( Carduus nutans ) . Slender winged thistle occurs in many parts of New Zealand but is common mainly in certain districts subject to drought , where it may often be seen growing among winged thistles . The two species are seldom ...
... thistle ( Carduus nutans ) . Slender winged thistle occurs in many parts of New Zealand but is common mainly in certain districts subject to drought , where it may often be seen growing among winged thistles . The two species are seldom ...
Page 40
... thistles were identified as to species and counted , with the results given in Table 3 . Slender winged thistle appeared less susceptible to the herbicides than winged thistle but small numbers and variability between blocks pre- vented ...
... thistles were identified as to species and counted , with the results given in Table 3 . Slender winged thistle appeared less susceptible to the herbicides than winged thistle but small numbers and variability between blocks pre- vented ...
Page 41
... thistles 91 45 86 81 55 0 Winged thistles 94 64 88 88 69 0 DISCUSSION Slender winged thistle has been regarded more tolerant of hor- mone weedkillers than winged thistle and this paper gives further support to this belief from ...
... thistles 91 45 86 81 55 0 Winged thistles 94 64 88 88 69 0 DISCUSSION Slender winged thistle has been regarded more tolerant of hor- mone weedkillers than winged thistle and this paper gives further support to this belief from ...
Contents
Chairmans summary | 1 |
Notillage establishment of lucerne G C Atkinson | 9 |
Insects affecting lucerne seed production | 19 |
Copyright | |
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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