Proceedings of the New Zealand Weed and Pest Control Conference1988 - Pesticides |
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Page 207
... thistle because the seed detaches readily from the pappus . INTRODUCTION The dispersal abilities of nodding thistle ( Carduus nutans ) seeds are of concern to many people because the plant is perceived as a serious weed where it occurs ...
... thistle because the seed detaches readily from the pappus . INTRODUCTION The dispersal abilities of nodding thistle ( Carduus nutans ) seeds are of concern to many people because the plant is perceived as a serious weed where it occurs ...
Page 214
... thistle ( Carduus nutans ) ( Popay 1981 ) . Several studies have demonstrated that maintaining a continuous cover reduces the emergence and survival of nodding thistle seedlings ( Phung and Popay 1981 ; Popay and Kelly 1986 ; Martin and ...
... thistle ( Carduus nutans ) ( Popay 1981 ) . Several studies have demonstrated that maintaining a continuous cover reduces the emergence and survival of nodding thistle seedlings ( Phung and Popay 1981 ; Popay and Kelly 1986 ; Martin and ...
Page 223
... thistle ( Carduus nutans ) was investigated at three sites in the Waikato region . Control of ragwort was generally poor compared with that achieved by picloram + 2,4 - D . Control of nodding thistle varied with time of application ...
... thistle ( Carduus nutans ) was investigated at three sites in the Waikato region . Control of ragwort was generally poor compared with that achieved by picloram + 2,4 - D . Control of nodding thistle varied with time of application ...
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