Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
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Page 36
... areas , and for monitoring the rate of spread of nematode from year to year . At 3050 m the lens can resolve areas as small as 1 m2 but with the present level of technology , the technique has shortcomings in estimating overall nematode ...
... areas , and for monitoring the rate of spread of nematode from year to year . At 3050 m the lens can resolve areas as small as 1 m2 but with the present level of technology , the technique has shortcomings in estimating overall nematode ...
Page 40
... areas where bacterial wilt occurs . In other areas , certified bacterial wilt free ' Wairau ' should be sown . ANTHRACNOSE ( Colletotrichum trifolii Bain & Essary ) The first symptoms to be noticed are scattered stems showing a general ...
... areas where bacterial wilt occurs . In other areas , certified bacterial wilt free ' Wairau ' should be sown . ANTHRACNOSE ( Colletotrichum trifolii Bain & Essary ) The first symptoms to be noticed are scattered stems showing a general ...
Page 70
... areas for several months , and of pre- venting seed ripening provided infested areas were noticed soon enough and sprayed immediately . An appreciable number of barley grass plants sprayed thoroughly with paraquat grew again , and one ...
... areas for several months , and of pre- venting seed ripening provided infested areas were noticed soon enough and sprayed immediately . An appreciable number of barley grass plants sprayed thoroughly with paraquat grew again , and one ...
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