Growing South African Indigenous Orchids

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CRC Press, Jun 1, 1997 - Science - 280 pages
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Providing a guide to the cultivation of both the terrestrial and epihytic orchid species growing in South Africa, this volume includes numerous hints, illustrations and photographs to help simplify the process. Detailed growing notes are given for over 60 terrestrial and over 40 epiphytic species.
  

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Contents

INTRODUCTION TO SOUTH AFRICAN INDIGENOUS
1
THE CULTIVATION OF TERRESTRIAL SPECIES
37
THE CULTIVATION OF EPIPHYTIC SPECIES
105
ORCHID BREEDING POLLINATION
137
Brushing the pollinium across the stigmatic surface of S coriifolium
145
Removing one of the two pollinia from Pterygodium catholicum
146
Folding back the lip appendage of P catholicum
147
Touching the viscidium of Eulophia petersii with a toothpick
148
Instruments and utensils required for flasking
175
An autoclave is convenient for sterilising a large number of flasks
176
Washing surface sterilised seed
180
Seed can be scraped from the filter paper and transferred to the flask
182
Green capsule sowing method
183
The green capsule is cut open
184
A modified cupboard used as a light cabinet
192
Protocorms of Eulophia speciosa x E ovalis ssp bainesii in a 250 ml
194

Dislodging the anther cap and pollinia of E petersii
149
The viscid disc and column are visible in a side view of Aerangis verdickii
150
Seed capsules ripening on cut flower stems of Disa uniflora and allied hybrids
158
Ripe seed capsules of Bonatea porrecta at the time of splitting
159
PROPAGATION OF INDIGENOUS ORCHIDS
161
Typical development of a Bonatea seedling
162
Seedlings of B speciosa a year after dusting the potting mix of the mother plant with seed
164
Making up the sowing medium
166
Agar and sucrose are added to the medium
167
The pH is checked and adjusted
168
A commercially available laminar flow cabinet
173
Disa atricapilla seedlings are pressed into fresh medium during reflasking
195
atricapilla before and after reflasking
196
Eulophia streptopetala seedlings ready for deflasking
197
All agar must be washed from the root system
198
NATURE CONSERVATION LEGISLATION
207
CONSTRUCTION OF A SEED SOWING BOX AND
213
REGISTERED HYBRIDS
223
SOURCES OF PLANTS
237
GLOSSARY
243
INDEX
249
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Page 246 - Clements, MA & Ellyard, RK, 1979. The symbiotic germination of Australian terrestrial orchids.

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