Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
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Page 125
... shoot growth as compared to the untreated control . Atrazine was mixed only with a portion of the soil which provided a top layer in each pot to a depth of 5 cm in which seeds were placed at 2 cm depth . At the start of each experiment ...
... shoot growth as compared to the untreated control . Atrazine was mixed only with a portion of the soil which provided a top layer in each pot to a depth of 5 cm in which seeds were placed at 2 cm depth . At the start of each experiment ...
Page 141
... shoot fragments . Rooted growing shoots less than 10 cm may fragment due to pathogenic lesions below the shoot apex ( Clayton unpublished ) . The shoot apex can then be dispersed by water currents , while lateral shoots develop on the ...
... shoot fragments . Rooted growing shoots less than 10 cm may fragment due to pathogenic lesions below the shoot apex ( Clayton unpublished ) . The shoot apex can then be dispersed by water currents , while lateral shoots develop on the ...
Page 165
... shoots at random throughout each plot which were then assessed for live aphids and categorised into four 0 = 0 aphids / shoot ; 1 groups as follows 1-3 aphids / shoot ; 2 4-10 aphids / shoot ; 3 = 10+ aphids / shoot . = = The degree of ...
... shoots at random throughout each plot which were then assessed for live aphids and categorised into four 0 = 0 aphids / shoot ; 1 groups as follows 1-3 aphids / shoot ; 2 4-10 aphids / shoot ; 3 = 10+ aphids / shoot . = = The degree of ...
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