Proceedings of the New Zealand Weed and Pest Control Conference, Volume 391986 - Pesticides |
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Page 201
spears were harvested during the first two seasons while the crop was establishing but the number of stems in each plot was counted . Asparagus ferns were cut at gound level and weighed at the end of each growing season ( May / June ) .
spears were harvested during the first two seasons while the crop was establishing but the number of stems in each plot was counted . Asparagus ferns were cut at gound level and weighed at the end of each growing season ( May / June ) .
Page 205
Spears were picked three times each week for ten weeks and numbers and weights of first and second grade spears were recorded . First grade was defined as spears > 180 mm long , and > 10 mm diameter , without defects ; second grade ...
Spears were picked three times each week for ten weeks and numbers and weights of first and second grade spears were recorded . First grade was defined as spears > 180 mm long , and > 10 mm diameter , without defects ; second grade ...
Page 229
( b ) Asparagus spear technique . Healthy field - grown asparagus spears ( 2-3 days old ) were washed in tap water and used for screening fungicides by the following techniques ; ( i ) Surface application : Spears were sprayed with ...
( b ) Asparagus spear technique . Healthy field - grown asparagus spears ( 2-3 days old ) were washed in tap water and used for screening fungicides by the following techniques ; ( i ) Surface application : Spears were sprayed with ...
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Contents
Author Index | 9 |
PASTURE PESTS | 15 |
Field testing of seed protectants against black field cricket attack | 22 |
Copyright | |
31 other sections not shown
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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