Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
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Page 170
... lines of Kentucky bluegrass ( Poa pratensis ) in field plots . Pasture damage , asses- sed by visual estimates of severity , varied between lines , and relatively undamaged lines were considered to be tolerant of sod webworm feeding ...
... lines of Kentucky bluegrass ( Poa pratensis ) in field plots . Pasture damage , asses- sed by visual estimates of severity , varied between lines , and relatively undamaged lines were considered to be tolerant of sod webworm feeding ...
Page 229
... lines showed light infection with leaf stripe while one line was heavily infected . Identification of the disease was confirmed from the characteristic symptoms and microscopic examination of conidia . All infected lines had been ...
... lines showed light infection with leaf stripe while one line was heavily infected . Identification of the disease was confirmed from the characteristic symptoms and microscopic examination of conidia . All infected lines had been ...
Page 157
... lines than on the stan- dards at the lower inoculation rate . The difference between standards and Californian lines was highly significant . At the high inoculation rate however , this difference was not significant . These data ...
... lines than on the stan- dards at the lower inoculation rate . The difference between standards and Californian lines was highly significant . At the high inoculation rate however , this difference was not significant . These data ...
Contents
Chairmans summary | 1 |
Notillage establishment of lucerne G C Atkinson | 9 |
Insects affecting lucerne seed production | 19 |
Copyright | |
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Common terms and phrases
29th N.Z. Weed activity adults Agric Agricultural Research Centre alachlor aphid application areas assessed asulam atrazine Auckland autumn azinphos-methyl barley grass benomyl BGLA black beetle blue-green lucerne aphid brassicas Canterbury carbofuran chemical chlorpyrifos Christchurch crop cultivars cypermethrin damage diflubenzuron disease DSIR effect emergence ethofumesate fensulfothion field trials foliage fungicides germination gorse granules grass grub growth Hamilton harvest herbicides increased insect insecticides isazophos kg/ha larvae leaf legumes Lincoln linuron litres/ha lucerne lucerne yield maize method mite nematode North Island numbers oats P.O. Box Palmerston North paraquat pasture Pest Control Conf phorate picloram plants plots population post-emergence Proc pyri rates reduced replicates residual resistant Ruakura Ruakura Agricultural Research ryegrass samples season seed seedlings significant significantly soil sowing sown species spray sprayer spring stage summer Table tested treatments triclopyr untreated Weed and Pest weed control weeks weevil Wellington white clover white-fringed weevil Zealand