Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
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Page 91
... leaves were fully expanded . Only a small proportion of ascospores germinated when placed on young leaves , but many germinated on old leaves . Ascospores were released from leaf lesions in daylight when the leaves were wet . Fungicide ...
... leaves were fully expanded . Only a small proportion of ascospores germinated when placed on young leaves , but many germinated on old leaves . Ascospores were released from leaf lesions in daylight when the leaves were wet . Fungicide ...
Page 92
... leaves . ' Packing ' leaves were removed and graded according to the number of spots present . When disease incidence was low , all spots were counted . When disease incidence was severe , the proportion of leaves with more than 50 ...
... leaves . ' Packing ' leaves were removed and graded according to the number of spots present . When disease incidence was low , all spots were counted . When disease incidence was severe , the proportion of leaves with more than 50 ...
Page 35
... leaves during the season . ( b ) Firm bulbils , tightly closed . It is unlikely that these had produced leaves so far . 4. Small bulbils . As in 3 ( a ) and ( b ) but smaller than 11 mm diameter . Second and third seasons ( 1975-76 and ...
... leaves during the season . ( b ) Firm bulbils , tightly closed . It is unlikely that these had produced leaves so far . 4. Small bulbils . As in 3 ( a ) and ( b ) but smaller than 11 mm diameter . Second and third seasons ( 1975-76 and ...
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