Proceedings of the New Zealand Weed and Pest Control Conference1989 - Pesticides |
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Page 81
... sampling technique . Both sampling methods failed to detect sizeable populations of some species . A model predicting development of the juvenile stages of the Tasmanian lacewing ( Micromus tasmaniae Walker ) revealed that D - vac ...
... sampling technique . Both sampling methods failed to detect sizeable populations of some species . A model predicting development of the juvenile stages of the Tasmanian lacewing ( Micromus tasmaniae Walker ) revealed that D - vac ...
Page 84
... sampling method underestimates abundance of small lacewing larvae . DISCUSSION In the present study , where sampling was by D - vac , lacewings were consistently more abundant than any other predator species , with densities twice ...
... sampling method underestimates abundance of small lacewing larvae . DISCUSSION In the present study , where sampling was by D - vac , lacewings were consistently more abundant than any other predator species , with densities twice ...
Page 134
... sampling interval , the four continuous strips of mylar used in the first Rotorua trial were cut into 200 mm lengths . After determining the deposit pattern across each sampling line , each swath pattern was overlapped with itself ...
... sampling interval , the four continuous strips of mylar used in the first Rotorua trial were cut into 200 mm lengths . After determining the deposit pattern across each sampling line , each swath pattern was overlapped with itself ...
Contents
Author Index | 9 |
Resource allocations for future weed control activities | 15 |
The role of government research in achieving safe pest management | 32 |
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Common terms and phrases
42nd N.Z. Weed activity adult aphid application armyworm assessed Auckland bees biological control Canterbury carbaryl Centre chemical chlorpyrifos chlorsulfuron Christchurch clethodim clover croceipes crops cyproconazole damage days after spraying densities diazinon diclofop-methyl disease DSIR effect fenitrothion field foliage fruit fly fungicides g ai/ha g/ha Gisborne glyphosate grass grub greedy scale growth Hawkes Bay herbicide increased infection periods insecticides instar kg/ha kiwifruit laboratory larvae latania latania scale leaf levels lime sulphur Lincoln litres lucerne MAFTech mancozeb MCPA Melittobia metiram mites mortality nodding thistle P.O. Box Palmerston North parasitoid pasture Pest Control Conf pesticide pirimicarb plants plots populations powdery mildew predator Private Bag Proc prochloraz programme propiconazole pyri rainfall rates reduced replicates residues resistance Ruakura ryegrass sampling season seed significant significantly soil species surface surfactant Table tested toxicity treatment tree trial triclopyr untreated Weed and Pest weed control weevil yield Zealand