Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
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Page 77
Relevant plots were oversown with ' Grasslands Matua ' prairie grass ( Bromus catharticus * ) , ' Grasslands Nui ... plots in 1974 and for the high seed head numbers in the first year . In the first year , application of propyzamide and ...
Relevant plots were oversown with ' Grasslands Matua ' prairie grass ( Bromus catharticus * ) , ' Grasslands Nui ... plots in 1974 and for the high seed head numbers in the first year . In the first year , application of propyzamide and ...
Page 226
... plots while less than 1 % leaf area was infected in treated plots . TABLE 1 : EFFECT OF TREATMENT ON SEVERITY OF BROWN RUST ON ZEPHYR ' BARLEY Percentage leaf area infected ( Plot mean ; 20 plants / plot ) Leaf 1 2 3 4 First assessment ...
... plots while less than 1 % leaf area was infected in treated plots . TABLE 1 : EFFECT OF TREATMENT ON SEVERITY OF BROWN RUST ON ZEPHYR ' BARLEY Percentage leaf area infected ( Plot mean ; 20 plants / plot ) Leaf 1 2 3 4 First assessment ...
Page 57
... plots of 120 ' Ilam Hardy ' tubers and two plots of 60 ' Maris Court ' tubers were planted on 25 November 1976. There were five rows in each plot . Two plots similar in area to the ' Ilam Hardy ' plots were left fallow and were ...
... plots of 120 ' Ilam Hardy ' tubers and two plots of 60 ' Maris Court ' tubers were planted on 25 November 1976. There were five rows in each plot . Two plots similar in area to the ' Ilam Hardy ' plots were left fallow and were ...
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