South African Avocado Growers’ Association
1981 Yearbook
Volume 4
Table of Contents
5. Editorial
JM Kotzé
6. Voorwoord
E Strydom
7. Social News
Ronnie Lunt leaves Letaba Co-op
Growers
visit California
Carel Snyman
Joseph Darvas
8. Wie en wat is SAAKV
11. Don Gustafson visits South Africa
14. Openingsrede
F J Lourens
16. Marketing: SAAGA
European Committee's report
R R Shelton
19. Co-ordination of
research sponsored by SAAGA
J M Kotzé
21. Avocado oil, the
Cinderella of the avocado industry?
H Smith & R E Lunt
22. Plant propagation
through tissue culture
P Allan
27. Root, Shoot or fruit?
B N Wolstenholme
30. Interpretation of
avocado quality and condition in the marketing context
J C Toerien
36.
Artificial
ripening of avocado fruit
G G Rousseau
39. A model for fruit
ripeness
B J Durand
42. Fermometer-ondersoeke
by avokado's
D H Swarts
47. Cooling rates of
avocados in cartons when pallatized
R E Lunt & H Smith
52. The annual incidence of
avocado cull factors in the Letaba district
H Smith, R E Lunt, M M Darvas
57. A comparison between
waxing and cellophane wrapping of avocados for export
R E Lunt, H Smith,
M M Darvas
63. Post-harvest diseases
of avocados
JM Darvas, JM Kotze
67. Control of Cercospora
spot
J M Darvas, J M Kotzé
69. Pre-harvest chemical
control of Anthracnose and Sooty Blotch
J M Kotze, Eileen Kuschke, B Durand
71. Pre-harvest chemical
control of post-harvest avocado diseases
J M Darvas
75. Anatomiese aspekte van Ringnek van avokado's
A H P Engelbrecht
80. Akaropeltopsis: The
cause of Sooty Blotch of avocados
Elizabeth M Theron,
J M Kotzé, F C Wehner
81. Host range studies on
avocado Sunblotch
J V Da Graca, S P Van Vuuren
83. Rapid testing for
avocado Sunblotch
J V Da Graca
86. The role of fruit flies
on avocados early in the season
W J Du
Toit, A Tuffin
89. Flower and fruit drop
M J Slabbert
92. Fungitoxic chemical
substances in avocados
F C Wehner,
Z Apostolides
95. Bekalking van suurgrond
P S Fouché
99. A comparison of various
calcium sources on soil effects
A W G Rowell
103. Effek van kalsium op
wortelvrot
C P Snyman
105. Results obtained in 1980
from avocado root rot field trials
R Wood, J N Moll
109. Some aspects of Phytophthora
cinnamomi Rands infection of grapevines
P G Marais, A C De La Harpe
117. Avocado (Persea
americana) (Mill.) Stock-scion interactions as evidenced by peroxidase
ar.ivity and stem growth
J P Bower, M E Nel
121. Die invloed van
mediumdeurlugting, swamdoder en Indoolbottersuur op die beworteling van
avokadosteggies
A A Ernst
124. Sterilization &
pasteurization of soil mixes
P Allan, D Lamb, D Chalton