Abstract
SummaryThe effect of planting system and rootstock clone on plant development and flower production of R. hybrida ‘Motrea’ was studied for more than four years. Initially rootstock Ludiek gave the highest number of flowers as compared with the rootstocks Multic and Moonlight. However, the decline in flower production for ‘Ludiek’ after two years of culture was more severe than for the others. Plants on ‘Moonlight’ outyielded those on the other rootstocks during the third and fourth year of culture and this result is discussed in relation to their high renewal cane production. Death of basal shoots during four years of culture was mainly due to competition between numerous shoots. No influence of rootstocks on the longevity of rose plants could be detected during this period. Comparison of basal-shoot formation during the early period of plant development in’ single stemmed plants at double plant density and with a two-stemmed planting system at normal plant density showed that intra-plant competition between basal shoots was greater than inter-plant competition. During subsequent years of production no differences in basal shoot competition occurred between or within plants, as reflected in equal total flower fresh weight production, numbers of new basal-shoot formation and numbers of dead basal stems. However, higher plant density increased the number of harvested flowers and decreased individual flower weight.
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Claims 9
Claim · model-written summary
Ludiek initially yielded the most flowers among rootstocks.
Verbatim
e0“Initially rootstock Ludiek gave the highest number of flowers as compared with the rootstocks Multic and Moonlight.”
t0“rose crop”
Claim · model-written summary
Flower production on Ludiek declined more severely after two years.
Verbatim
e0“the decline in flower production for ‘Ludiek’ after two years of culture was more severe than for the others”
t0“rose crop”
Claim · model-written summary
Moonlight plants outyielded the other rootstocks in years three and four.
Verbatim
e0“Plants on ‘Moonlight’ outyielded those on the other rootstocks during the third and fourth year of culture”
t0“rose crop”
Claim · model-written summary
Basal shoot death was mainly attributed to competition among shoots.
Verbatim
e0“Death of basal shoots during four years of culture was mainly due to competition between numerous shoots.”
t0“rose crop”
Claim · model-written summary
Rootstocks showed no detectable effect on rose longevity.
Not reportedComparator
Verbatim
e0“No influence of rootstocks on the longevity of rose plants could be detected during this period.”
t0“rose crop”
Claim · model-written summary
Early intra-plant competition between basal shoots exceeded inter-plant competition.
Verbatim
e0“intra-plant competition between basal shoots was greater than inter-plant competition”
t0“rose crop”
Claim · model-written summary
Later basal shoot competition did not differ within or between plants.
Verbatim
e0“no differences in basal shoot competition occurred between or within plants”
t0“rose crop”
Claim · model-written summary
Higher density increased harvested flower number.
- Taxon
- rose cropt0
- Treatment
- higher plant densitye0
- Outcome
- number of harvested flowerse0
- Direction
- increasede0
Not reportedComparator
Verbatim
e0“higher plant density increased the number of harvested flowers”
t0“rose crop”
Claim · model-written summary
Higher density reduced individual flower weight.
- Taxon
- rose cropt0
- Treatment
- higher plant densitye0
- Outcome
- individual flower weighte0
- Direction
- decreasede0
Not reportedComparator
Verbatim
e0“higher plant density increased the number of harvested flowers and decreased individual flower weight”
t0“rose crop”
The same questions in other papers
grafting · yield · RosaPositive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
density · phenology · RosaResults agree
2 papers in the same direction as this paper
- positive
- positive
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.