摘要
以美国红枫改良品种系列中3个品种"秋红枫"(Autumn Flaze)、"十月光辉"(October Glory)和"夕阳红"(Red Sunset)的容器苗为试材,采用同一视野定时拍照的方法,研究了秋季叶色变化过程。结果表明:"秋红枫"秋叶观赏期为10月26日至11月28日,共34d,其中最佳观叶期为6d,秋叶变色期为27d,落叶期为27d,叶片颜色变化过程是:绿色-黄绿色-橙红色-红色。"十月光辉"秋叶观赏期为10月26日至11月22日,共28d,其中最佳观叶期为7d,秋叶变色期为21d,落叶期为27d,叶片颜色变化过程是:绿色-黄绿色-黄色。"夕阳红"秋叶观赏期为10月26日至11月26日,共32d,其中最佳观叶期10d,秋叶变色期为22d,落叶期23d,叶片颜色变化过程是:绿色-黄绿色-黄色-橙红色。综上所述,"夕阳红"的观赏效果最好,其次是"十月光辉"和"秋红枫"。该研究结果为上述3个美国红枫品种的园林应用提供了实践依据。
Taking the container seedlings of three improved Acer rubrurn varieties ＇Autumn Flaze＇, ＇October Glory and ＇Red Sunset~ as materials,the variation process of autumn leaves color was studied by the method of taking pictures for the identical views within the stipulated time. The results showed that autumn leaf ornamental period of ＇Autumn Haze~ kept for 34 days from October 26 to November 28, the best ornamental period continued for about 7 days, autumn leaf color period and leaf fall period were 21 days and 27 days respectively,the variation process of leaf color was from green to yellow-green,orange-red and red;autumn leaf ornamental period of ＇October Glory~ continued for about 28 days from October 26 to November 22,the best ornamental period lasted up to 10 days, autumn leaf color period and leaf fall period were 21 days and 27 days respectively, the variation process of leaf color was from green to yellow-green, and yellow; autumn leaf ornamental period of ＇Red SunseU was 39, days from October 26 to November 26 ,the best ornamental period was about 10 days, autumn leaf color period and leaf fall period were 22 days and 23 days respectively, the variation process of leaf color was from green to yellow-green,yellow and orange-red. In conclusion, ＇Red Sunset worked the best ornamental effects, followed by ＇October Glory and ＇Autumn Flaze, which provided a reference for application of the above three varieties in garden.
出处
《北方园艺》
CAS
北大核心
2013年第19期83-86,共4页
Northern Horticulture
基金
荆州市科技局攻关资助项目(20101P020)
长江大学横向资助项目(09H2102)
关键词
秋叶观赏期
秋叶变色期
美国红枫
autumn leaves ornamental period
autumn leaves color period
Acer rubrum
