New Zealand Avocado Growers' Association

Annual Research Report – 2008

Volume 8

CONTENTS

1 Leaf mineral norms of ‘Hass’ avocado trees from the Western Bay of Plenty of New Zealand
J. Dixon

15 University of California avocado cultivars ‘Lamb Hass’ and ‘GEM’ maturity and fruit quality results from New Zealand evaluation trials
J. Dixon, C. Cotterell, B. Hofstee and T.A. Elmsly

27 Reduction of initial fruit set through the use of a chemical fruit set thinner ethephon
J. Dixon, A.J. Mandemaker, T.A. Elmsly and E.M. Dixon

35 ‘Hass’ avocado tree phenology 2004-2009 in the Western Bay of Plenty
J. Dixon, C. Cotterell, B. Hofstee and T.A. Elmsly

59 Relationship between temperature in October and November and yield
J. Dixon and R. Barber

71 Evaluation of alternatives to phosphorous acid control of Phytophthora root rot
J. Dixon, E.M. Dixon, C. Cotterell and T.A. Elmsly

77 Growth rates of ripe rot fungi at different temperatures
T. A. Elmsly and J. Dixon

85 Postharvest fungicide treatments and their effect on long-term storage of avocados from three growing regions in New Zealand
K. R. Everett and I.P.S. Pushparajah

93        Orchard treatments other than spray application of fungicides that reduce postharvest rots of avocado
K. R. Everett, I.P.S. Pushparajah, O.E. Timudo-Torrevilla and M.A. Manning

99        Fungicide spray trial in three avocado growing regions in New Zealand
K. R. Everett, I.P.S. Pushparajah, J.T. Taylor, M.S. Astill, D.B. King and A. Ah Chee

111 Low temperature limits of new Zealand ‘Hass’ avocado fruit
J. Dixon, T.A. Elmsly, D.B. Smith, A.J. Mandemaker and H.A. Pak

123 Dynamic controlled atmosphere storage of avocados: Technology for managing exports?
J. Burdon and N. Lallu