Proceedings of the New Zealand Weed and Pest Control Conference1969 - Pesticides |
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Page 45
... GRASSES Treatment ( lb ) Grass Control Crop Tolerance ( 2 wk ) ( 2 wk ) Grain Yield ( bu / acre ) atrazine 2 / 0.5 % surfactant 6.7 8.0 160 bBC atrazine 4 / 0.5 % surfactant 7.6 8.1 167 bB atrazine 2 / 1 % oil 7.7 8.3 160 bBC Control 0 ...
... GRASSES Treatment ( lb ) Grass Control Crop Tolerance ( 2 wk ) ( 2 wk ) Grain Yield ( bu / acre ) atrazine 2 / 0.5 % surfactant 6.7 8.0 160 bBC atrazine 4 / 0.5 % surfactant 7.6 8.1 167 bB atrazine 2 / 1 % oil 7.7 8.3 160 bBC Control 0 ...
Page 48
... grasses which have awns which mechanic- ally injure stock or depreciate value of fleece and hides , as is the case with barley grass ( Hordeum murinum ) ; by grasses which because of seeding habit contaminate seed crops of pasture grasses ...
... grasses which have awns which mechanic- ally injure stock or depreciate value of fleece and hides , as is the case with barley grass ( Hordeum murinum ) ; by grasses which because of seeding habit contaminate seed crops of pasture grasses ...
Page 85
... grass communities was ryegrass ( Lolium spp . ) ( 87 % ) followed by white clover ( Trfolium repens ) and barley grass ( Table 1 ) . Barley grass seed was present in 74 % of plugs . Poa trivialis ( Poa trivialis ) was usually present at ...
... grass communities was ryegrass ( Lolium spp . ) ( 87 % ) followed by white clover ( Trfolium repens ) and barley grass ( Table 1 ) . Barley grass seed was present in 74 % of plugs . Poa trivialis ( Poa trivialis ) was usually present at ...
Contents
Presidential Address W F Leonard | 15 |
Control of Hornwort Ceratophyllum demersum B E Manson | 23 |
Endothal as an Aquatic Herbicide G W Woon and G W Mason | 30 |
Copyright | |
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Common terms and phrases
abAB acre aphid application areas assessment asulam atrazine Auckland Australian soldier fly autumn barley grass bromus mollis BYDV Canterbury carbetamide cereal aphid chemical chlormequat Christchurch crop damage Department of Agriculture diazinon dicamba diquat disulfoton dry matter effect ester farm farmers fathen fenitrothion fensulfothion formulations gorse grain gran granules grass grub grazing growth harvest heptachlor herbicides increase infestation insecticide ioxynil larvae lb/acre lindane linuron lucerne matagouri MCPA MCPB means and signif methabenzthiazuron mixture N.Z. Weed organophosphate P.O. Box paddock paraquat parathion pasture response peas Pest Control Conf phenmedipham phorate picloram plants plots porina post-emergence Proc production prometryne pyrazon rainfall rates reduced replicates residual ryegrass samples season significant simazine soil sowing sown species spraying Stat Summary Table terbutryne thistle tion Total treated Treatment lb trials trichlorfon Untreated variety Weed & Pest weed control weed seeds wheat white clover willow weed yield Zealand