Narcissus and Daffodil

xvi Figures/Plates
4.7 Changes in plant dry weight and leaf area index during the
growing season. Data for narcissus ‘Golden Harvest’ 92
4.8 Large unmanned bulb lifter discharging into bulk trailer 93
4.9 Letter box drying wall for bulbs in bulk bins 95
4.10 Narcissus ‘chips’ with bulblets at the end of incubation 107
6.1 Sceletium type alkaloid mesembrenone isolated from N. pallidulus 142
6.2 Narcissus alkaloid types 143
6.3 Biosynthetic pathway to norbelladine 164
6.4 Oxidative phenyl-phenyl coupling in Amaryllidaceae alkaloids 165
6.5 Alkaloids proceeding from an ortho-para′ coupling 165
6.6 Biosynthesis of lycorine with inversion of the configuration 166
6.7 Conversion of galanthine to narcissidine via epoxide 166
6.8 Conversion of norpluviine to homolycorine type alkaloids 167
6.9 Alkaloids proceeding from a para-para′ coupling 168
6.10 Biosynthesis of pretazettine 169
6.11 Proposed biosynthetic pathways to haemanthamine
and montanine 170
6.12 Biosynthesis of galanthamine 171
6.13 Mass fragmentation pattern of lycorine 180
6.14 Mass fragmentation pattern of homolycorine 181
6.15 Mass fragmentation pattern of haemanthamine 182
6.16 Mass fragmentation pattern of tazettine and criwelline 183
6.17 Mass fragmentation pattern of montanine 183
6.18 Mass fragmentation pattern of galanthamine 184
7.1 Alkaloid content in friable and meristematic callus of
seed-derived explants 217
7.2 Alkaloid content in shoot clusters grown in medium with
BA or kinetin 218
7.3 Levels of alkaloids released by root clusters to the culture
medium. Accumulation of alkaloids in tissue and
liquid medium 219
7.4 Alkaloid content in shoots and their respective twin-scales
according to their position in the bulb 220
7.5 Levels of alkaloids released by shoot-clumps treated with BA
into the culture medium 222
7.6 Accumulation of alkaloids in both tissue (shoot-clumps)
and liquid medium in the experiment with BA 223
7.7 Levels of alkaloids released by shoot-clumps treated with
kinetin into the culture medium 224