Proceedings of the New Zealand Weed and Pest Control Conference1988 - Pesticides |
From inside the book
Results 1-3 of 34
Page 37
... infection was least in rye and significantly lower in wheat than in barley or oats . The presence of symptomless infections in wheat and rye ( Table 3 ) suggests that symptom expression , rather than the extent of virus infection ...
... infection was least in rye and significantly lower in wheat than in barley or oats . The presence of symptomless infections in wheat and rye ( Table 3 ) suggests that symptom expression , rather than the extent of virus infection ...
Page 62
... infection discarded . From 106 adults which emerged from the imported insects , 37 pairs laid viable eggs . Two of the 74 adults ( 2.7 % ) were found to have low levels of microsporidian infection . Their offspring were destroyed ...
... infection discarded . From 106 adults which emerged from the imported insects , 37 pairs laid viable eggs . Two of the 74 adults ( 2.7 % ) were found to have low levels of microsporidian infection . Their offspring were destroyed ...
Page 135
... infected , larvae may remain active in the soil for more than a month prior to death , although during this period they are not feeding . The nil feeding response to infection and the effect of infected larvae on plant growth are ...
... infected , larvae may remain active in the soil for more than a month prior to death , although during this period they are not feeding . The nil feeding response to infection and the effect of infected larvae on plant growth are ...
Contents
Author Index | 9 |
Address by Sir David Beattie to 40th Annual Conference | 15 |
CEREALS | 21 |
Copyright | |
25 other sections not shown
Other editions - View all
Common terms and phrases
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