HE Bizhu,ZHU Ping,WANG Xingjian.Effect of Different Growth Regulators on Blossom of Cymbidium sinense[J].Northern Horticulture,2016,40(21):80-84.[doi:10.11937/bfyy.201621020]
不同生长调节剂处理对墨兰花期调控的影响
- Title:
- Effect of Different Growth Regulators on Blossom of Cymbidium sinense
- Keywords:
- Cymbidium sinense; regulation and control of florescence; plant growth regulator; spraying; injection
- 文献标志码:
- A
- 摘要:
- 以墨兰为试验材料，采用喷洒、注射的方法，研究了赤霉素、a-萘乙酸等植物生长调节剂处理浓度对墨兰开花的影响，以期使墨兰花朵在预定时间内开放，达到调控墨兰花期的目的。结果表明：赤霉素能够使墨兰花期提早开放并提高成花质量，其中50 mg?L-1赤霉素喷洒效果最显著，首花期比对照组提前7 d，花箭高度高于对照并对花径、花间距影响不大，喷洒方式优于注射方式。而采用喷洒a-萘乙酸使墨兰花期延后且抑制花箭生长，小花败育严重，浓度越高影响效果越显著，但注射a-萘乙酸方式墨兰花箭较整齐，花期较集中。该研究结果提供了可根据实际需要对墨兰实施控制的措施，为调控墨兰上市时间、增强观赏效果提供理论和实践依据，同时为增加规模化生产者经济效益提供有益参考。
- Abstract:
- In order to make the Cymbidium sinense flowers open in the scheduled time，achieve the goal of ink orchid phase regulation.The Cymbidium sinense were used to study the effect of the different concentrations of plant growth regulator such as GA3 and NAA that adopt the method of spraying and injection on the ink orchid flower.The results indicated that gibberellin made flowering early and improved the quality of flower，spraying treatment method was better than injecting treatment.The effect of treatments with GA3 50 mg?L-1 was the most obvious.The treated plants abloomed earlier seven days and had higher flower stalk than that of CK，but it had no influence on the flowers stems and the spacing of flowers.A-naphthalene acid made flowering later and inhibited the growth of flower stalk，floret defeated seriously and the effect was prominent when the concentration was higher.The results also showed that injecting treatment made for flower stalk tidily and flower would blossom in a short period together，but on the contrary praying treatment made for flowers tidily and flowering more scattered.The study conclusions provided theoretical and practical basis for controlling the flowering time，regulating the marketing time and enhancing the ornamental effects，as well as increasing the income of the farmers who produced the flowers concentrately.
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备注/Memo
第一作者简介：何碧珠（1960-），女，福建福州人，高级实验师，现主要从事植物生物技术及遗传资源等研究工作。E-mail：954196684@qq.com.基金项目：中央财政林业科技推广示范资金资助项目（闽[2015]TG18号）。