South African Avocado Growers’ Association

2003 Yearbook

Volume 26

Table of Contents

 

7        Chairman’s report
Nic Reay

11      Supercritical fluid extraction of avocado oil
B M Botha and R I McCrindle

15      Effect of fruit coating and packaging on external and internal quality
J P Bower and J Jackson

20      Kalibrasie van spuitmasjiene en bespuitingstipes deur gebruik te maak van ‘n spuitfaktor op avocado
I J Bruwer

26      Eko-vriendelike insekdoders vir die beheer van suigbesies in advokadoboorde
I J Bruwer

35      Progress in the development of avocado products
J P Bower and M T Dennison

41      Progress report on the evaluation of the new Hass-like avocado cultivars Harvest and Gem in 2002
S Kremer-Köhne and M L Mokgalabone

45      Progress report on evaluation of alternative fungicides for control of Cercospora spot
A Willis and J A Duvenhage

51      Development of fruit maturity and mineral content norms for export avocado cultivars from different South African avocado growing regions
B Snijder, J M Mathumbu and F J Kruger

55      Semi-commercial evaluation of SmartFresh with South African export avocados in static containers at the Westfalia packhouse during 2002
D Lemmer, J Bezuidenhout, S Sekhune, P Ramokone, L Letsoalo, T R Malumane, P Chibi, Y Nxundu, M Hobson and F J Kruger

65      Avocados (monounsaturated fatty acids), weight loss and serum lipids
Z Pieterse, J Jerling and W Oosthuizen

72      The role of fruit mineral composition, phenolic concentration and polyphenol oxidase activity on mesocarp discolouration in ‘Pinkerton’
Z van Rooyen and J P Bower

83      Determining appropriate parameters for an integrated disease control system for biological predictive modeling
M van Eeden and L. Korsten

96      The effect of relative humidity and ethylene scrubbing on ‘Fuerte’ and ‘Hass’ avocado fruit quality
M Huysamer and L Maré

106     Avocado rootstocks: What do we know; are we doing enough research?
B N Wolstenholme

113    Trends in the quality of exported avocados: Report on the quality of fruits exported to Europe during the 2002 export season and comparisons with previous seasons
R M Nelson, J J Bezuidenhout and D J Donkin