South African Avocado Growers’ Association
2011 Yearbook
Volume 34
Table of Contents
POSTHARVEST
6 Volatiles of ‘Hass’ avocado – Key
to fruit quality and maturity determination?
S Tesfay, I Bertling and JP Bower
9 Non-destructive measurement of
moisture content using handheld NIR
RJ Blakey and Z van Rooyen
13 Ultra-low temperature shipping and
cold chain management of ‘Hass’ avocados: Investigation into reducing shipping
costs
RD Kok, JP Bower and I Bertling
20 An investigation into ultra-low
temperature shipping and cold chain management of ‘Fuerte’ avocados – An
opportunity to reduce shipping costs
A Lütge and JP Bower
26
Respiration and
softening rates of ‘Fuerte’ and ‘Pinkerton’ avocados and the effect that cold
chain breaks have on the ripening and quality of these cultivars
D Lemmer and FJ Kruger
37
Development of a more
effective post-harvest treatment for the control of post-harvest diseases of
avocado fruit – Results from 2010
ZS Mavuso and JM van Niekerk
ENTOMOLOGY
42
Avocado fruit sucking
bugs – Development of a forecasting model for an areawide monitoring system
AJ Alberts
48
Prediction of coconut
bug damage on avocados
PS Schoeman, T Grove and R Mohlala
54
Bats as potential
biocontrol agents in an agricultural landscape, Levubu Valley: Diet, activity
and species composition of bats in macadamia orchards and neighbouring natural
habitats
PJ Taylor, D Mkhari, T Mukwevho, A Monadjem, MC Schoeman, C Schoeman and JN
Steyn
PATHOLOGY
65
Pre- and post-harvest
treatments on ‘Fuerte’ avocados to control anthracnose (Colletotrichum
gloeosporioides) during ripening
RJ Bosse, JP Bower and I Bertling
71
Evaluation of ultra-low
volume fungicide applications for the control of diseases on avocado fruit –
Results from the 2009/10 season
JM van Niekerk and ZS Mavuso
HORTICULTURE
77
Soil health, fruit
yield, quality and nutritional value of avocado as influenced by different
mulch types: Preliminary results
B Nzanza and P Pieterse