Proceedings of the New Zealand Weed and Pest Control Conference, Volume 391986 - Pesticides |
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Page 242
... corn earworm Effects reduce plant establishment reduces plant stand and hence potential yield reduces yield indirectly through loss of foliage reduces yield directly by feeding on the cobs be made as it proceeds . Decisions required by ...
... corn earworm Effects reduce plant establishment reduces plant stand and hence potential yield reduces yield indirectly through loss of foliage reduces yield directly by feeding on the cobs be made as it proceeds . Decisions required by ...
Page 256
... corn leaf aphid ( Rhopalosiphum maidis ) , the rose - grain aphid ( Metopolophium dirhodum ) ( RGA ) ( Gill 1967 ) and the blackberry - cereal aphid ( Sitobion fragariae ) ( Guy et al 1986 ) , all of which occur in Canterbury ( Farrell ...
... corn leaf aphid ( Rhopalosiphum maidis ) , the rose - grain aphid ( Metopolophium dirhodum ) ( RGA ) ( Gill 1967 ) and the blackberry - cereal aphid ( Sitobion fragariae ) ( Guy et al 1986 ) , all of which occur in Canterbury ( Farrell ...
Page 263
... corn . Environ . Management 4 : 483-489 . Anonymous , 1971. Guide to maize . N.Z. Farmer Supplement 48 pp . Baliddawa , C.W. , 1985. Plant species diversity and crop pest control ; an analytical review . Insect Sci . Appl . 6 : 479-487 ...
... corn . Environ . Management 4 : 483-489 . Anonymous , 1971. Guide to maize . N.Z. Farmer Supplement 48 pp . Baliddawa , C.W. , 1985. Plant species diversity and crop pest control ; an analytical review . Insect Sci . Appl . 6 : 479-487 ...
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