Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
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Page 8
... weed control . Logan and Arnst ( 1973 ) recorded reductions in total production and in- creases in lucerne production . Rae and Patterson ( 1973 ) found large responses in trials in Waikato , but not in Otago and Canterbury , and Honore ...
... weed control . Logan and Arnst ( 1973 ) recorded reductions in total production and in- creases in lucerne production . Rae and Patterson ( 1973 ) found large responses in trials in Waikato , but not in Otago and Canterbury , and Honore ...
Page 31
WEED CONTROL IN LEGUMES J.D. HENDERSON Grasslands Division , DSIR , Palmerston North Summary Several herbicides were tested for weed control in sown rows of sainfoin ( Onobrychis vicifolia ) , red clover ( Trifolium pratense ) , and ...
WEED CONTROL IN LEGUMES J.D. HENDERSON Grasslands Division , DSIR , Palmerston North Summary Several herbicides were tested for weed control in sown rows of sainfoin ( Onobrychis vicifolia ) , red clover ( Trifolium pratense ) , and ...
Page 114
... weed control assess- ment . Weed populations in the hand weeded controls ( HWC ) were assessed by counting with two to four 25 x 25 cm quadrats per plot ... control . 114 13 1231 2200 733TT 742 TABLE 2 : Mean weed Vegetable Crops.
... weed control assess- ment . Weed populations in the hand weeded controls ( HWC ) were assessed by counting with two to four 25 x 25 cm quadrats per plot ... control . 114 13 1231 2200 733TT 742 TABLE 2 : Mean weed Vegetable Crops.
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