高登涛;韩明玉;李丙智;张林森;白茹;

• 1:中国农业科学院郑州果树研究所
• 2:西北农林科技大学园艺学院果树研究所
• 3:西北农林科技大学园艺学院果树研究所
• 4:西北农林科技大学园艺学院果树研究所

摘要(Abstract)：

渭北果区正在推广的旨在提高果园通风透光条件的“大改形”技术已进行几年,为对其效果进行观察,应用WinsCanopy2004a冠层分析仪对陕西渭北3种不同类型苹果园冠层及光照的有关参数进行了测定。结果表明,3类果园的平均冠下总辐射偏大(透光率高),每666.7m2留枝量偏低,说明改形对改善树体的光照条件效果明显,但是改形偏重;中冠园果树的透光率最高,小冠园最低;大冠园果树的叶面积指数最大,当年生枝量与主枝数的比例最大。

关键词(KeyWords)： 苹果园;冠层;透光率;改形;枝量

Abstract:

Keywords:

基金项目(Foundation): 农业部948项目(2003-Q07)。

作者(Author): 高登涛;韩明玉;李丙智;张林森;白茹;

Email:

DOI:

参考文献(References)：

• [1]HAMPSON C R,QUAMME H A,BROWNLEE R T.Canopy growth,yield,and fruit quality of Royal Gala apple trees grown for eight years in five tree training systems[J].The American Society for Hor-ticultural Science,2002,37(4):627-631.
• [2]MICHAEL C L,BRUNO A.The nested radiosity model for the dis-tribution of light within plant canopies[J].Ecological Modeling,1998,111:75-91.
• [3]YUANJ J,ZHANG L S,ZHAO Z Y,JIANG T D(袁景军,张林森,赵政阳,姜铁囤).Effect ofmodified tree formon growth and fruit-ing in Fuji Apple high-density orchards[J].Journal of Northwest Forestry University(西北林学院学报),2003,18(4):60-62.(in Chinese)
• [4]WinsCanopy2oo4a for Canopy analysis[M].Regent Instruments INC,2002.
• [5]GORDON W F,RICHARD A F,TROFYMOW J A,RONALD J H.A comparison of digital and film fisheye photography for analysis of forest canopy structure and gap light transmission[J].Agricultural and Forest Meteorology,2001,109:249-263.
• [6]VAN GARDIGEN P R,JACKSON G E,HERNANDEZ-DAUMAS S.Leaf area index estimates obtained for clumped canopies using hemispherical photography[J].Agricultural and Forest Meteorology,1999,94:243-257.
• [7]COOPS N C,WARING R H,LANDSBERG J J.Assessing forest productivity in Australia and New Zealand using a physiologically-based model driven with averaged monthly weather data and satel-lite-derived estimates of canopy photosynthetic capacity[J].Forest Ecologyand Management,1998,104:113-127.
• [8]FANGXQ,ZHANGWC(方秀琴,张万昌).The application of re-motelysensed data tothe estimation of the leaf area index[J].Remote Sensingfor Land&Resources(国土资源遥感),2003,3:58-62.(in Chinese)
• [9]WANGJ X,ZHANGYP,WANGJ S(王进欣,张一平,王今殊).Review on studies of the vegetation colony structure and the inter-ception of light by a canopy[J].Chinese Journal of Eco-Agriculture(生态农业研究),2000,8(3):13-16.(in Chinese)
• [10]RUAN B L,LI B Z,JUN G R,ZHANG L S,CHE Y H,GAO J J(阮班録,李丙智,君广仁,张林森,车玉红,高建军).Effect of pruning in modified tree form on constitute of shoot types and fruit-ing on dwarf red Fuji Apple trees[J].Chinese Agricultural Science Bulletin(中国农学通报),2004,20(6):210-211.(in Chinese)
• [11]WU T,NI S X,LI Y M,CHEN J(吴彤,倪绍祥,李云梅,陈健).A comparison on the algorithms for retrieval of LAI based on gap frac-tion of vegetation canopy[J].Journal of Nanjing Normal Universi-ty(Natural Science Edition)(南京师范大学学报:自然科学版),2006,29(1):111-115.(in Chinese)
• [12]CAMPBELL G S.Extinet coefficients for radiation in plant canopies calculated using an ellipsoidal inclination angle distribution[J].A-gric For Meteorol,1986,36:317-321.