Proceedings of the New Zealand Weed and Pest Control Conference1988 - Pesticides |
From inside the book
Results 1-3 of 21
Page 35
... Tillers with and without BYDV symptoms were collected from both trials , crushed in liquid nitrogen , and then ground in a mortar with potassium ... Tiller counts of approximately 830 / m2 indicated that the proportion of tillers Cereals 35.
... Tillers with and without BYDV symptoms were collected from both trials , crushed in liquid nitrogen , and then ground in a mortar with potassium ... Tiller counts of approximately 830 / m2 indicated that the proportion of tillers Cereals 35.
Page 36
... tillers showing BYDV symptoms ( n / m2 ) on 25 November and grain yields ( t / ha ) in untreated and insecticide subtreatments of Trial 2 . n / m2 BYDV tillers t / ha grain yield Cultivar untreated treated mean untreated treated Spray ...
... tillers showing BYDV symptoms ( n / m2 ) on 25 November and grain yields ( t / ha ) in untreated and insecticide subtreatments of Trial 2 . n / m2 BYDV tillers t / ha grain yield Cultivar untreated treated mean untreated treated Spray ...
Page 119
... tiller , mines downwards towards the crown and chews an exit hole out of the tiller . Damaged tillers are usually severed from the youngest leaf first . Larval entrance and exit holes , and frass within the tunnels , may be visible .
... tiller , mines downwards towards the crown and chews an exit hole out of the tiller . Damaged tillers are usually severed from the youngest leaf first . Larval entrance and exit holes , and frass within the tunnels , may be visible .
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