Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
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Page 199
... Plants emerged Dead beetles Plants destroyed Treatment kg / ha 1000's / ha No./100m 1000's / ha untreated 62.6 a 2.2 d 3.78 a phorate FT 1-2 * 62.9 a 39.9 a 0.73 b phorate SI 1-2 * 65.1 a 36.6 a 0.32 c terbufos FT 1.5 64.7 a 22.5 b 0.78 ...
... Plants emerged Dead beetles Plants destroyed Treatment kg / ha 1000's / ha No./100m 1000's / ha untreated 62.6 a 2.2 d 3.78 a phorate FT 1-2 * 62.9 a 39.9 a 0.73 b phorate SI 1-2 * 65.1 a 36.6 a 0.32 c terbufos FT 1.5 64.7 a 22.5 b 0.78 ...
Page 35
... plants had a mean diameter of 45 cm and an average of 12 crowns while those at Kiwitahi were 41 cm with 10 crowns ... plants and indicates the proportion of plants which survived to the flowering stage . TABLE 2 : Effect of herbicides on ...
... plants had a mean diameter of 45 cm and an average of 12 crowns while those at Kiwitahi were 41 cm with 10 crowns ... plants and indicates the proportion of plants which survived to the flowering stage . TABLE 2 : Effect of herbicides on ...
Page 153
... plants chosen at random in each flat were counted at 4-5 day intervals . The height of 10 randomly chosen plants / flat was measured at days 5 , 11 , 17 , 23 and 38 ( day of plant harvesting ) . Numbers of live plants were counted at ...
... plants chosen at random in each flat were counted at 4-5 day intervals . The height of 10 randomly chosen plants / flat was measured at days 5 , 11 , 17 , 23 and 38 ( day of plant harvesting ) . Numbers of live plants were counted at ...
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