Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
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Page 144
... replicates of each treatment and 10 fourth instar larvae were used in cach replicate . Larvae were confined on the maize plants for 5 days . After this period , larvae were collected and fed for 7 days on untreated maize leaves . The ...
... replicates of each treatment and 10 fourth instar larvae were used in cach replicate . Larvae were confined on the maize plants for 5 days . After this period , larvae were collected and fed for 7 days on untreated maize leaves . The ...
Page 194
... replicate trials by analysis of variance . Phorate 1.0 kg / ha and untreated were common to all trials and a separate analysis , removing between trial variation , was made using trials as replicates , for both plant counts and fresh ...
... replicate trials by analysis of variance . Phorate 1.0 kg / ha and untreated were common to all trials and a separate analysis , removing between trial variation , was made using trials as replicates , for both plant counts and fresh ...
Page 202
... replicates of the long rotation at Rukuhia which received an extra grazing in November ( Table 3 ) indicates that very hard grazing in November may be particularly effective for barley grass control . In the first year at Ahuriri a big ...
... replicates of the long rotation at Rukuhia which received an extra grazing in November ( Table 3 ) indicates that very hard grazing in November may be particularly effective for barley grass control . In the first year at Ahuriri a big ...
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