Proceedings of the New Zealand Weed and Pest Control Conference1969 - Pesticides |
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Page 123
... production is the ingress of injurious grass weeds in grass seed production and impurities like suckling clover ( Trifolium dubium ) and sorrel ( Rumex aceto- sella ) in clover seed production . The only means of control is by good ...
... production is the ingress of injurious grass weeds in grass seed production and impurities like suckling clover ( Trifolium dubium ) and sorrel ( Rumex aceto- sella ) in clover seed production . The only means of control is by good ...
Page 137
... production to the lower grades and this type of seed production can be recommended only in special circum- stances . Another type of grower in this class might have a large area of light land not particularly suitable for seed ...
... production to the lower grades and this type of seed production can be recommended only in special circum- stances . Another type of grower in this class might have a large area of light land not particularly suitable for seed ...
Page 63
... production . By 1965 its contribution had reached significant proportions and it had been joined by poa annua ( Poa annua ) , bromus mollis ( Bromus mollis ) and browntop in the Manawa treatment . In the summer of 1968 , bromus mollis ...
... production . By 1965 its contribution had reached significant proportions and it had been joined by poa annua ( Poa annua ) , bromus mollis ( Bromus mollis ) and browntop in the Manawa treatment . In the summer of 1968 , bromus mollis ...
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