Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
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Results 1-3 of 76
Page 74
... ryegrass 0.26 NS 12-29 barley grass 0.21 NS 7-10 ryegrass -0.05 NS 5-9 6 August 1974 barley grass -0.73 1 % 4-11 ryegrass -0.32 NS 7-11 5 September 1974 barley grass -0.81 1 % 6-20 ryegrass 0.24 NS 9-16 31 October 1974 barley grass ...
... ryegrass 0.26 NS 12-29 barley grass 0.21 NS 7-10 ryegrass -0.05 NS 5-9 6 August 1974 barley grass -0.73 1 % 4-11 ryegrass -0.32 NS 7-11 5 September 1974 barley grass -0.81 1 % 6-20 ryegrass 0.24 NS 9-16 31 October 1974 barley grass ...
Page 194
... ryegrass cultivar in Table 1 . Although significantly ( P < .05 ) higher tiller numbers were recorded in the absence of sown white clover , the ryegrass by white clover inter- action and the ryegrass by white clover by insecticide ...
... ryegrass cultivar in Table 1 . Although significantly ( P < .05 ) higher tiller numbers were recorded in the absence of sown white clover , the ryegrass by white clover inter- action and the ryegrass by white clover by insecticide ...
Page 196
... ryegrass only herbage and total herbage produc- tion were recorded in subplots not treated with insecticide . Ryegrass herbage production losses over all cultivars , recorded in spring , summer , autumn and winter , and annually , were ...
... ryegrass only herbage and total herbage produc- tion were recorded in subplots not treated with insecticide . Ryegrass herbage production losses over all cultivars , recorded in spring , summer , autumn and winter , and annually , were ...
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