Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
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Page 145
... eggs while feeding on 1000 ppm diflubenzuron- treated clover . When these weevils were transferred to untreated clover , the viability of their eggs increased but was still about 90 % lower than that of eggs from weevils fed throughout ...
... eggs while feeding on 1000 ppm diflubenzuron- treated clover . When these weevils were transferred to untreated clover , the viability of their eggs increased but was still about 90 % lower than that of eggs from weevils fed throughout ...
Page 163
TABLE 2 : NUMBERS OF BLACK BEETLE RECOVERED FROM AREAS SEEDED WITH EGGS , SECOND INSTAR LARVAE AND THIRD INSTAR LARVAE Number of Black Beetle recovered 75 second 150 eggs instar larvae seeded seeded paspalun 31 a 147 a A ryegrass 43 a ...
TABLE 2 : NUMBERS OF BLACK BEETLE RECOVERED FROM AREAS SEEDED WITH EGGS , SECOND INSTAR LARVAE AND THIRD INSTAR LARVAE Number of Black Beetle recovered 75 second 150 eggs instar larvae seeded seeded paspalun 31 a 147 a A ryegrass 43 a ...
Page 222
... eggs of T. pyri were recorded . Codling moth RESULTS The egg samples in 1975-76 and 1976-77 showed that diflubenzuron prevented the hatching of fertile eggs of codling moth ( Table 1 ) . The occurrence of inviable eggs on unsprayed ...
... eggs of T. pyri were recorded . Codling moth RESULTS The egg samples in 1975-76 and 1976-77 showed that diflubenzuron prevented the hatching of fertile eggs of codling moth ( Table 1 ) . The occurrence of inviable eggs on unsprayed ...
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