Proceedings of the New Zealand Weed and Pest Control Conference, Volume 391986 - Pesticides |
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Page 255
... cereal yield . Proc . 37th N.Z. Weed and Pest Control Conf .: 276-279 . Stufkens , M.W. and Farrell , J.A. , 1985. Yield responses in cereals treated with pirimicarb for rose - grain aphid control . Proc . 38th N.Z. Weed and Pest ...
... cereal yield . Proc . 37th N.Z. Weed and Pest Control Conf .: 276-279 . Stufkens , M.W. and Farrell , J.A. , 1985. Yield responses in cereals treated with pirimicarb for rose - grain aphid control . Proc . 38th N.Z. Weed and Pest ...
Page 256
... cereals in 1985-86 was related to two factors involving the main vectors - the cereal aphid ( Rhopalosiphum padi ) and the rose - grain aphid ( Metopolophium dirhodum ) . Numbers of winged vectors in suction trap catches and on newly ...
... cereals in 1985-86 was related to two factors involving the main vectors - the cereal aphid ( Rhopalosiphum padi ) and the rose - grain aphid ( Metopolophium dirhodum ) . Numbers of winged vectors in suction trap catches and on newly ...
Page 258
... Cereal aphid 1983 1984 1985 Total 90 0 54 8 38 182 2 10 * Total collected in 10 minute searches at 15 ( 1983 ) , 109 ( 1984 ) and 20 ( 1985 ) sites cereals . In September - October , trap catches of the two species were similar ( 175 ...
... Cereal aphid 1983 1984 1985 Total 90 0 54 8 38 182 2 10 * Total collected in 10 minute searches at 15 ( 1983 ) , 109 ( 1984 ) and 20 ( 1985 ) sites cereals . In September - October , trap catches of the two species were similar ( 175 ...
Contents
Author Index | 9 |
PASTURE PESTS | 15 |
Field testing of seed protectants against black field cricket attack | 22 |
Copyright | |
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39th N.Z. Weed adult alachlor aphid application asparagus assessed atrazine beetle benomyl biological control buprofezin BYDV Californian thistle captafol chemicals chlorpyrifos clopyralid cover crawlers crop damage density diazinon discoideus disease DSIR effect eggs fensulfothion field foliage formulation fruit fungicides glyphosate gorse grass grub greedy scale growers growth haloxyfop EE harvest herbicides hexazinone increased infested insect insecticide insensitive instar kg ai/ha kiwifruit larvae leaf litres litres/ha lucerne metalaxyl metsulfuron mg ai/litre miticides mortality nematodes numbers orchard P.O. Box Palmerston North paraquat parasite pasture pathogens persimilis Pest Control Conf pesticides plants plots population porina Proc prochloraz ragwort rates reduced regrowth replicates Research residues root Ruakura ryegrass samples season seed treatments seedlings significant significantly Silwet Sitona soil spears species spray sprayer surfactant Table tamarillo tested trees trials trifluralin untreated control vinclozolin vines Weed and Pest weed control weeks whitefly yield Zealand