Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
From inside the book
Results 1-3 of 79
Page 15
At this stage, it is easy to pull the plants out of the soil and in the end the growing
point dies and consequently the plant. Hoe 23408 has shown selectivity to wheat
(Triticum spp), linseed (Linum usitatissimum), lucerne (Medicago sativa), and a ...
At this stage, it is easy to pull the plants out of the soil and in the end the growing
point dies and consequently the plant. Hoe 23408 has shown selectivity to wheat
(Triticum spp), linseed (Linum usitatissimum), lucerne (Medicago sativa), and a ...
Page 126
The grower continued his weed control programme as follows: Treatment Crop
stage Treatment kg/ha date 22 Sept. 3 leaf methabenzthiazuron 0.56 1976 26
Sept 3 leaf propachlor 10.0 7 Oct. ) 3 leaf methabenzthiazuron 0.56 31 Oct. ) 4
leaf ...
The grower continued his weed control programme as follows: Treatment Crop
stage Treatment kg/ha date 22 Sept. 3 leaf methabenzthiazuron 0.56 1976 26
Sept 3 leaf propachlor 10.0 7 Oct. ) 3 leaf methabenzthiazuron 0.56 31 Oct. ) 4
leaf ...
Page 153
Numbers of live plants were counted at each growth stage measurement and on
the final day, when plants were cut at soil level, oven dried and weighed.
RESULTS AND DISCUSSION Aphid Numbers Initially aphid numbers increased
...
Numbers of live plants were counted at each growth stage measurement and on
the final day, when plants were cut at soil level, oven dried and weighed.
RESULTS AND DISCUSSION Aphid Numbers Initially aphid numbers increased
...
What people are saying - Write a review
We haven't found any reviews in the usual places.
Contents
Annual weeds in established lucerne T P Palmer | 5 |
Lucerne insect survey K G Somerfield and P A Burnett | 14 |
Kain M J Esson T V Holland and D S Atkinson | 23 |
Copyright | |
26 other sections not shown
Other editions - View all
Common terms and phrases
activity adults Agricultural aphid appeared application areas assessed atrazine autumn barley grass beetle caused chemical clover compared counts crop cultivars damage DISCUSSION disease early effect emergence established experiment field four further gave germination grass grub growth harvest herbicides higher included increase indicate infection insecticide INTRODUCTION kg/ha larvae leaf leaves less lotus lower lucerne maize major material mean measured method months N.Z. Weed North numbers occurred P.O. Box pasture period Pest Control Conf plants plots population present Proc production rates recorded reduced REFERENCES replicates reported Research residual resistant root ryegrass samples season seed seedlings showed shown significant significantly similar soil sowing sown species spray spring stage stem Summary summer Table tested treated treatments trials untreated Weed and Pest weed control weeks weevil weight white clover XXX XXX XXX yield Zealand