Proceedings of the New Zealand Weed and Pest Control Conference, Volume 391986 - Pesticides |
From inside the book
Results 1-3 of 45
Page 39
Of the information collected since the experiment ' s establishment , the most
relevant to assessing long - term effects has been late - season yield data and
corresponding foliar nitrogen levels measured using a micro - Kjeldahl method .
Of the information collected since the experiment ' s establishment , the most
relevant to assessing long - term effects has been late - season yield data and
corresponding foliar nitrogen levels measured using a micro - Kjeldahl method .
Page 48
2 0 increasing rates of each herbicide and seed yields were significantly reduced
by methabenzthiazuron ( 2 . 0 kg ai / ha ) and terbutryn ( 0 . 9 kg ai / ha ) ( Table 2
) . Winter growth and seed yield of tall fescue was seriously reduced by low ...
2 0 increasing rates of each herbicide and seed yields were significantly reduced
by methabenzthiazuron ( 2 . 0 kg ai / ha ) and terbutryn ( 0 . 9 kg ai / ha ) ( Table 2
) . Winter growth and seed yield of tall fescue was seriously reduced by low ...
Page 242
Crop Stage Pests Effects seedling black beetle ( adults ) Argentine stem weevil
slugs reduce plant establishment cutworm young plant at 2 - 4 leaf stage 6 leaf
stage to cob ripening armyworm reduces plant stand and hence potential yield ...
Crop Stage Pests Effects seedling black beetle ( adults ) Argentine stem weevil
slugs reduce plant establishment cutworm young plant at 2 - 4 leaf stage 6 leaf
stage to cob ripening armyworm reduces plant stand and hence potential yield ...
What people are saying - Write a review
We haven't found any reviews in the usual places.
Contents
Presidential Address | 13 |
Effect of application volume and spray additive concentration on the control | 89 |
The effect of metsulfuron on sweet brier M McD Turner G Iggo | 95 |
Copyright | |
11 other sections not shown
Other editions - View all
Common terms and phrases
activity adult aphid application asparagus assessed Auckland block caused Centre chemicals clopyralid compared counts cover crop damage density DISCUSSION disease DSIR effect eggs emergence establishment experiments field formulation four fruit fungicides gave glyphosate gorse grass grass grub ground growth Hamilton harvest height herbicide higher important increased indicated infested insect insecticide kg ai/ha larvae leaf leaves less levels lower lucerne March Mean measured METHODS months mortality North numbers observed occurred P.O. Box pasture Pest Control Conf plants plots population present Private Proc production pupae ragwort range rates reduced REFERENCES replicates reported Research residues root ryegrass samples scale season seed seedlings showed significant significantly similar soil spears species spray spring stage stem Table tested thistle treated treatments trees trials untreated vines Weed and Pest weed control weeks weevil whitefly yield Zealand