Journal
HORTICULTURAE
Volume 8, Issue 1, Pages -Publisher
MDPI
DOI: 10.3390/horticulturae8010027
Keywords
tourism rapeseed; prolonging flowering period; flower color; chemical regulation; Brassica napus
Categories
Funding
- National Natural Science Foundation of China [31860417, 32060494]
- Emmy Noether DFG [MA 6473/1-1]
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Rapeseed, an important oil crop, has found a new use as an ornamental plant. However, its short flowering period and limited flower color pose challenges for its ornamental potential. This review summarizes the possible problems and discusses measures to prolong the flowering period and create diverse flower colors in rapeseed.
Rapeseed (Brassica napus) is one of the most important oil crops worldwide. However, an intriguing new use for rapeseed has recently developed: as an ornamental. Tourism based on blossoming fields of these yellow flowers has become a new economic growth opportunity in China. From a breeding perspective, two main problems currently limit the potential of rapeseed as an ornamental. First, the flowering period is quite short (30 days on average), which limits economic income; second, the flower color in commercial cultivars is currently limited to bright yellow, which may pall quickly for sightseers. This review summarizes the possible problems of using rapeseed as an ornamental, and details factors affecting the flowering period, how the flowering period can be prolonged by integrating optimal cultivation measures or/and spraying with chemical reagents, and ways of creating and breeding rapeseed with diverse flower colors.
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