Rapeseed as an Ornamental

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Abstract
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.
Funding Information
  • National Natural Science Foundation of China (31860417)
  • Key R & D Program of Jiangxi Province (20152ACF60010)
  • Science and Technology "Three Aid" Project of Jiangxi Province (20133BFB29005)
  • Emmy Noether DFG (MA 6473/1-1)

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