Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
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Page 203
... seedlings has , in the past , tended to be overlooked although , particularly under dry conditions , such an attack may kill a high proportion of the seedlings as they emerge . This paper describes measures for protecting seedling ...
... seedlings has , in the past , tended to be overlooked although , particularly under dry conditions , such an attack may kill a high proportion of the seedlings as they emerge . This paper describes measures for protecting seedling ...
Page 44
... seedlings were resistant to the herbicides tested but susceptibility tended to decrease with increasing age of seedling . INTRODUCTION In experiments on gorse seedling susceptibility to herbicides ( Ivens 1977 ) studies were made of the ...
... seedlings were resistant to the herbicides tested but susceptibility tended to decrease with increasing age of seedling . INTRODUCTION In experiments on gorse seedling susceptibility to herbicides ( Ivens 1977 ) studies were made of the ...
Page 94
... seedlings was slight . Average seedling emergence was 93 % of the seeds sown with white - fringed weevil causing on average 1 % emergence failure in the three treatments containing larvae . Seedling survival was 100 % between emergence ...
... seedlings was slight . Average seedling emergence was 93 % of the seeds sown with white - fringed weevil causing on average 1 % emergence failure in the three treatments containing larvae . Seedling survival was 100 % between emergence ...
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