ZHANG Lan-fen,LI Bing-zhi,ZHANG She-qi,et al.Light Interception Measurement of Apple Trees Trained to Tall Spindle Shape Based on Three-dimensional Digitizer[J].Northern Horticulture,2012,36(07):9-12.
基于三维数字化仪的高纺锤形苹果树光截获率测定
- Title:
- Light Interception Measurement of Apple Trees Trained to Tall Spindle Shape Based on Three-dimensional Digitizer
- 文章编号:
- 1001-0009(2012)07-0009-04
- Keywords:
- 3-D digitizing; tall spindle shape; visual tree; light interception
- 分类号:
- S 661.1
- 文献标志码:
- A
- 摘要:
- 利用三维数字化仪，结合Piaf Digit和Vege STAR软件，建立了13 a生高纺锤形苹果树数字化模型，并对树体模型进行立方单元分割以及分析总冠层及冠层内各类型枝条的光截获率。结果表明：不同类型的枝条，光截获率（STAR值）有差异。大树的短果台副梢、长果台副梢、短营养枝和长营养枝的STAR值分别小于中树，中树小于小树；每棵果树的短果台副梢和短营养枝的STAR值分别小于长果台副梢和长营养枝；不遮阴枝条的光截获率比遮阴枝条大，并且短果台副梢和短营养枝因其它类型枝条遮阴减少的STAR值分别比长果台副梢和长营养枝大。果树由底部到顶部及由冠层中部到外部，光截获率逐渐增大，与用光量子探头（LS190）测得的透光率递增趋势相符。冠层STAR值越大，果树产量越高。因此，冠层光截获率能够作为冠层内部光分布特征的一个评价指标，并能有效指导果树管理，提高果实产量。
- Abstract:
- Three-dimensional digitizer associated with software Piaf Digit and Vege STAR was used to reconstruct digitizing models of the 13-year-old apple trees trained to tall spindle shape，partition the model into cubes and analyzed the light interception of whole canopy and each types of shoots in canopy.The results showed that light interception (STAR) varied by the types of shoots.STAR values of short bourse shoots，short vegetative shoots，long bourse shoots and long vegetative shoots of large size trees were smaller than middle trees respectively，which were smaller than that of small trees.STAR values of short bourse shoots and short vegetative shoots of each trees were smaller than that of long bourse shoots and long vegetative shoots.The light interception of unshadowed shoots was larger than shadowed ones.Decreasing STAR of short bourse shoots and short vegetative shoots by shadowing of other types of shoots were larger than that of long bourse shoots and long vegetative shoots.STAR values of fruit trees increased by the height of ones and from inner to peripheral canopy，which fit the increasing trends of light transmittance measured by light quantum probes (LS190).The yield of fruit trees increased with STAR.Therefore，the light interception of canopy could be used to valuate the light distribution，guide the management of fruit trees，and improve the yield.
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相似文献/References:
[1]王菲,张社奇,李丙智,等.高纺锤形苹果树三维重建和光照特性的评价[J].北方园艺,2012,36(06):10.
WANG Fei,ZHANG She-qi,LI Bing-zh,et al.Three-dimensional Reconstruction of Trees Trained to Tall Spindle Shape and Assessment of Light Characteristics[J].Northern Horticulture,2012,36(07):10.
[2]高华君,孙山.甜樱桃高纺锤形树形培养存在问题及对策[J].北方园艺,2018,42(01):195.[doi:10.11937/bfyy.20171418]
[J].Northern Horticulture,2018,42(07):195.[doi:10.11937/bfyy.20171418]
备注/Memo
第一作者简介：章兰芬（1987-），女，在读硕士，研究方向为果树的三维建模及光截获的评价。E-mail：ffflanzi@163.com。
责任作者：张社奇（1964-），男，博士，教授，现主要从事土壤生态与环境生物物理等方面的教学与研究工作。E-mail：zhangsheqi@nwsuaf.edu.cn。
基金项目：农业部“948”资助项目（2011-Z24）；国家苹果产业技术体系资助项目（CARS-28）。
收稿日期：2012-01-04