Proceedings of the New Zealand Weed and Pest Control Conference1988 - Pesticides |
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Page 85
... present at all seven sites examined in the area , whereas pirimicarb resistance was present at two of four sites . The high resistance factors , and biochemical assays of the esterase activity in individual aphids , indicated that ...
... present at all seven sites examined in the area , whereas pirimicarb resistance was present at two of four sites . The high resistance factors , and biochemical assays of the esterase activity in individual aphids , indicated that ...
Page 101
... present , either dead or alive . Synthetic pyrethroids make plants unattractive to insects and so may also help avoid initial infestation . It has been shown that a range of insecticides do not affect the display life of nerines , and ...
... present , either dead or alive . Synthetic pyrethroids make plants unattractive to insects and so may also help avoid initial infestation . It has been shown that a range of insecticides do not affect the display life of nerines , and ...
Page 119
... present , and those non - green tillers with pupae or pupal cases present . Tillers with limited Argentine stem weevil mining , showing Hessian fly feeding damage but no larvae present or with one fly egg or one larva present were ...
... present , and those non - green tillers with pupae or pupal cases present . Tillers with limited Argentine stem weevil mining , showing Hessian fly feeding damage but no larvae present or with one fly egg or one larva present were ...
Contents
Author Index | 9 |
Address by Sir David Beattie to 40th Annual Conference | 15 |
CEREALS | 21 |
Copyright | |
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41st N.Z. Weed activity alligator weed aphid application asparagus assessed Auckland barley bioassay BYDV Canterbury cereals chemical clethodim crop cultivars cyproconazole damage diclofop-methyl disease DSIR effect eggs field flowering fluazifop-butyl fluvalinate foliage fruit fungicides g/ha glyphosate gorse grass grub grass weeds growers Hamilton clay loam herbicides Horotiu sandy loam infection insecticide kg/ha kiwifruit larvae leaf litres/ha loam soil MCPA mite miticides mulch myclobutanil nodding thistle NZ Weed orchards P.O. Box paclobutrazol Palmerston North pasture pendimethalin Pest Control Conf picloram pirimicarb plants plots Popay populations Proc programme propargite propiconazole Pukekohe quizalofop regrowth replicates Research residues resistance rosettes Ruakura ryegrass samples seed seedlings sethoxydim shoot significantly Silwet L-77 simazine spray surfactant susceptible Table temperature tested thrips tillers tip rot translocation treated treatment trees trial triasulfuron untreated uptake Weed and Pest weed control weeks yield Zealand