[1]高建芹,龙卫华,陈锋,等.景观油菜花期调控技术的效果[J].江苏农业学报,2022,38(06):1465-1473.[doi:doi:10.3969/j.issn.1000-4440.2022.06.003]
　GAO Jian-qin,LONG Wei-hua,CHEN Feng,et al.Effects of regulation techniques on flowering period of ornamental rape[J].,2022,38(06):1465-1473.[doi:doi:10.3969/j.issn.1000-4440.2022.06.003]
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景观油菜花期调控技术的效果()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
38
期数:
2022年06期
页码:
1465-1473
栏目:
遗传育种·生理生化
出版日期:
2022-12-31

文章信息/Info

Title:
Effects of regulation techniques on flowering period of ornamental rape
作者:
高建芹; 龙卫华; 陈锋; 彭琦; 张洁夫; 胡茂龙
(江苏省农业科学院经济作物研究所/国家油菜改良中心南京分中心，江苏南京210014)
Author(s):
GAO Jian-qin; LONG Wei-hua; CHEN Feng; PENG Qi; ZHANG Jie-fu; HU Mao-long
(Institute of Industrial Crops， Jiangsu Academy of Agricultural Sciences/Nanjing Branch of National Rapeseed Improvement Center， Nanjing 210014， China)
关键词:
景观油菜; 花期调控; 观花期
Keywords:
ornamental rape; flowering period regulation; flowering period
分类号:
S565.4
DOI:
doi:10.3969/j.issn.1000-4440.2022.06.003
文献标志码:
A
摘要:
为满足休闲观光需求，延长油菜花观赏期，通过田间试验研究了摘薹、增施氮肥、烯效唑处理、苯磺隆处理和分期播种对油菜花期的影响。结果表明，摘薹处理可推迟初花期3.0～10.0 d，终花期2.0～12.0 d，与不摘薹组合应用可将整个观花期增加7.5～10.5 d；摘薹与品种组合应用，观花期可增加17.7～19.3 d。薹期增施氮肥对花期调节效果好于越冬期增施氮肥，与不增施氮肥组合应用，可将观花期增加8.5～9.0 d；增施氮肥与品种组合应用，观花期可增加15.0～17.7 d。喷施烯效唑可延长花期0～5.0 d，与不喷施烯效唑组合应用，观花期可增加9.5～10.0 d；喷烯效唑与品种组合应用，观花期平均增加17.5 d。平头期喷施苯磺隆可使花期增加1.5～13.5 d，与不喷施苯磺隆搭配，观花期增加16.0～18.5 d；喷施苯磺隆与品种组合应用，观花期增加约25.0 d。分期播种可显著延长油菜观花期，3个品种分期播种的平均总观花期为46.5 d，40.5 d和38.5 d，分期播种与品种组合应用，观花期可达66.0～72.0 d，增加39.8～42.5 d，观花期延长1倍以上。综上，分期播种、品种搭配及其组合处理是调节景观油菜花期最简单有效的方法，油菜花景区可根据实际情况采用适宜的花期调控措施。
Abstract:
For increasing the ornamental period of rape flowers to meet the leisure and sightseeing needs, field experiments were conducted to explore the effects of bolting, increasing nitrogen fertilizer application, uniconazole, tribenuron-methyl and staged sowing on flowering period. The results showed that the early flowering stage was delayed by 3.0 d to 10.0 d, the end flowering stage was delayed by 2.0 d to 12.0 d under the treatment of bolting, and the whole flowering period could be extended by 7.5 d to 10.5 d under the combination of bolting and no bolting. Moreover, the flowering period could be increased by 17.7 d to 19.3 d under the combination of varieties and bolting. The effect of increasing nitrogen fertilizer application on prolonging flowering period at bolting stage was better than that at overwintering stage, and the flowering period was increased by 8.5 d to 9.0 d under the combination of increasing nitrogen and no increasing nitrogen, and it was increased by 15.0 d to 17.7 d through the combination of varieties and increasing nitrogen fertilizer application. The flowering period could be prolonged by 0-5.0 d by spraying uniconazole, and it could be extended by 9.5 d to 10.0 d by spraying uniconazole combined with no spraying uniconazole, and it could be increased by 17.5 d through the combination of varieties and spraying uniconazole. The flowering period could be prolonged by 1.5 d to 13.5 d by spraying tribenuron-methyl at the flathead stage, and the whole flowering period could be extended by 16.0 d to18.5 d under the combination of spraying and non-spraying, and it was increased by about 25.0 d by the combination of varieties and spraying tribenuron-methyl. The ornamental period was significantly prolonged by sowing in different dates, and the average total flowering period of the tree varieties was 46.5 d, 40.5 d and 38.5 d, respectively. The ornamental period could reach 66.0-72.0 d through the combination of varieties and sowing in different dates， which was prolonged by 39.8-42.5 d. In conclusion, sowing by stages, varieties matching and their combination are the simple and effective methods for regulating flowering period. Each rape flower scenic spot can adopt appropriate flowering regulation measures according to the actual situation.

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备注/Memo

备注/Memo:
收稿日期：2022-03-17基金项目：国家重点研发计划项目 (2020YFD000904)；江苏省农业科技自主创新基金项目[CX(20)3154]作者简介：高建芹（1974-），女，江苏淮安人，学士，研究员，从事油菜品质育种和栽培技术推广研究。 （Tel） 025-84390364；（E-mail）chinagjq@163.com
更新日期/Last Update: 2023-01-13