Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
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Page 34
... season . The early treatments produced the least bulbils but even in the earliest there was a 17 - fold increase in numbers . Glyphosate treatments were repeated for two further seasons and a final assessment made at the end of the ...
... season . The early treatments produced the least bulbils but even in the earliest there was a 17 - fold increase in numbers . Glyphosate treatments were repeated for two further seasons and a final assessment made at the end of the ...
Page 35
... season . ( b ) Firm bulbils , tightly closed . It is unlikely that these had produced leaves so far . 4. Small bulbils . As in 3 ( a ) and ( b ) but smaller than 11 mm diameter . Second and third seasons ( 1975-76 and 1976-77 ) ...
... season . ( b ) Firm bulbils , tightly closed . It is unlikely that these had produced leaves so far . 4. Small bulbils . As in 3 ( a ) and ( b ) but smaller than 11 mm diameter . Second and third seasons ( 1975-76 and 1976-77 ) ...
Page 38
... season . Numbers originating from eight planted bulbs per treatment . ( See text for definition of categories . ) Glyphosate Parent Large new bulbils Small new bulbils Total Treatment Tubers bulb new remains Loose Firm Loose Firm ...
... season . Numbers originating from eight planted bulbs per treatment . ( See text for definition of categories . ) Glyphosate Parent Large new bulbils Small new bulbils Total Treatment Tubers bulb new remains Loose Firm Loose Firm ...
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