JIN Fang-lun,ZHANG Fa-wei,ZHOU Guang-ping,et al.Analysis on the Fruit Growth Dynamic of Newhall Navel Orange in North of Guizhou[J].Northern Horticulture,2014,38(11):20-23.
纽荷尔脐橙在黔北地区的果实发育动态分析
- Title:
- Analysis on the Fruit Growth Dynamic of Newhall Navel Orange in North of Guizhou
- 文章编号:
- 1001-0009(2014)11-0020-04
- Keywords:
- Newhall navel orange; fruit; growing development; dynamic
- 分类号:
- S 666
- 文献标志码:
- A
- 摘要:
- 以10～12年生纽荷尔脐橙为研究对象，研究调查了果实生长发育动态，以期为纽荷尔柑桔脐橙的栽培技术及管理措施提供理论依据。结果表明：果实生长从5月中旬花谢幼果期开始，11月中下旬以后停止生长，生长期达175～182 d，果实纵横径生长量出现4～5次高峰，其中果实纵径出现4次，果实横径出现5次，都存在开始较快，然后最快，以后又较快，后接近成熟时生长缓慢，直至最后停止生长，形成一条逐渐上升的生长曲线；果实纵横经的净生长量均出现6次高峰，其生长曲线呈多S型生长曲线；纽荷尔脐橙果实成熟期在11月下旬至12月上旬，此时果实风味最好；果实成熟时，纵径为（62.61±5.33）mm，横径为（55.83±5.11）mm，果形指数为1.12，果实椭圆形，果表底色为绿色，果皮颜色为橙红色。建议在上年加强水肥管理和当年施好催芽肥的前提下，以6月下旬为最佳施肥时期，并在果梢生长旺期加强根外追肥2～3次，以缓解梢果养分竞争矛盾，又可提高果品质量。
- Abstract:
- Regular surveys on 10~12 year-old of the Newhall navel orange fruit growth dynamic were conducted,in order to provide cultivation techniques and scientific management on Newhall navel orange.The results showed that,the fruit growth began from flower dropped and young fruit period in mid-May,and stopped growth in late November,the growth period was 175~182 d,the fruit longitudinal and trasverse diameter appeared 4~6 times growth peak,among which,the longitudinal diameter of fruit diameter five times,transverse diameter four times,formed a rising growth curve with started quickly,then the fastest,then quickly,then close to mature,slow growth until the last stop growing;Net growth of fruit all appeared 6 times growth peak,showed more S type growth curve.The Newhall navel orange fruit mature period should be in late November to early December,when the best flavor had;When fruit matured,the longitudinal diameter was (62.61±5.33) mm,the transverse diameter was (55.83±5.11) mm,fruit shape index was 1.12,the fruit with the circular,fruit base of color was green,the skin color was orange red;suggest to strengthen the management and the water from previous year,supplying germination fertilizer current year,in late June was the best fertilization period and applying foliage spray 2~3 times during growth most productive period,to relieve the contradictions between leaf and fruit nutrient competition,and to improve the quality of fruit production.
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备注/Memo
第一作者简介：金方伦(1964-)，男，本科，高级农艺师，现主要从事果树引种选育及栽培技术等研究工作。E-mail：jfl2016@163.com.
收稿日期：2014-03-14