New Zealand Avocado Growers' Association

Annual Research Report 2006

Volume 6





  Cover Page

1 'Hass' avocado tree phenology 2004-2006 in the Western Bay of Plenty.
J. Dixon, T.A. Elmsly, E.M. Dixon, F.P. Fields, A.C. Greenwood and D.B. Smith

13 Putative timing of irreversible commitment to flowering of 'Hass' avocado trees in the Western Bay of Plenty.
J. Dixon, D.B. Smith, A.C. Greenwood and T.A. Elmsly

21 Seasonal variations in leaf mineral content.
J.Dixon, T.A., Elmsly and E.M. Dixon

35 The impact of foliar applications of nitrogen and boron on 'Hass' avocado fruit set.
J. Dixon, D.B. Smith, T.A. Elmsly, A.C. Greenwood and E.M. Dixon

47 Patterns of fruit growth and fruit drop of 'Hass' avocado trees in the Western Bay of Plenty, New Zealand.
J. Dixon, C.B. Lamond, D.B. Smith and T.A. Elmsly

55 Soil disturbance reduces feeder root mass under irrigated or non-irrigated 'Hass' avocado trees.
J. Dixon, D.B. Smith and A.C. Greenwood

63 Characterising plant surfaces and adjuvant interactions to improve pesticide spray retention and coverage on avocados.
R.E. Gaskin and A.K. Pathan

71 Review: Determining and optimizing chemical application rates and spray application in different avocado canopies.
D. Manktelow and W. May

81 Reducing copper use in avocado orchards: results of laboratory and postharvest testing of alternate fungicides and biological products.
K.R. Everett and O.E. Timudo-Torrevilla

91 Seeking a post-harvest fungicide suitable for the USA market for late season 'Hass' avocado fruit.
A.J. Mandemaker, T.A. Elmsly and E.M. Dixon

97 Effects of drop heights and fruit harvesting methods on quality of 'Hass' avocados.
A.J. Mandemaker, T.A. Elmsly and D.B. Smith