[1]王慧,刘志华,吕曼曼,等.棘孢木霉菌对山新杨移栽苗叶片光合特性的影响[J].北方园艺,2013,37(23):78-82.
　WANG Hui,LIU Zhi-hua,LV Man-man,et al.Effects of Trichoderma asperellum on Leaf Photosynthesis of Tissue-cultured Populus davidiana×P.bolleana Loucne Seedlings Transplanted into Pots[J].Northern Horticulture,2013,37(23):78-82.

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棘孢木霉菌对山新杨移栽苗叶片光合特性的影响

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第37卷期数: 2013年23期页码: 78-82 栏目: 出版日期: 2013-12-15

Title:: Effects of Trichoderma asperellum on Leaf Photosynthesis of Tissue-cultured Populus davidiana×P.bolleana Loucne Seedlings Transplanted into Pots

文章编号:: 1001-0009（2013）23-0078-05

作者:: 王慧¹; 刘志华²; 吕曼曼¹; 唐磊³; 朱国栋¹; 张荣沭¹; 1.东北林业大学园林学院，黑龙江哈尔滨 150040
2.东北林业大学林学院，黑龙江哈尔滨 150040；
3.东北林业大学生命科学学院，黑龙江哈尔滨 150040

Author(s):: WANG Hui¹；LIU Zhi-hua²；LV Man-man¹；TANG Lei³；ZHU Guo-dong¹；ZHANG Rong-shu¹; 1.College of Landscape Architecture，Northeast Forestry University，Harbin，Heilongjiang 150040
2.School of Forestry，Northeast Forestry University，Harbin，Heilongjiang 150040
3.College of Life Sciences，Northeast Forestry University，Harbin，Heilongjiang 150040

关键词:: 棘孢木霉; 山新杨; 光合作用; 光响应特性

Keywords:: Trichoderma asperellum; Populus davidiana×P.bolleana Loucne; photosynthesis; light response characteristics

分类号:: S 792.11

文献标志码:: A

摘要:: 以山新杨组培移栽苗为试材，采用盆栽试验，研究了3个水平的棘孢木霉ACCC30536分生孢子悬液T1（5×102 cfu/cm3土）、T2（5×10³ cfu/cm³土）和T3（5×10⁴ cfu/cm³土）根施对杨树苗光合作用日变化和光响应曲线参数的影响。结果表明：T2水平木霉分生孢子对杨树苗的诱导效果最佳，净光合速率（Pn）的日变化呈单峰型并与CK一致，在12:30左右达到峰值后逐渐降低，且净光合速率高于CK和其它处理；此处理杨树苗的蒸腾速率（Tr）、气孔导度（Cond）和胞间CO2浓度（Ci）的日进程均与CK一致，且均高于CK；而且T2处理条件下杨树移栽苗的光响应曲线参数]最大净光合速率(Pn_max)、表观量子效率（AQY）、和光饱和点（LSP）均高于CK和其它处理。说明根施棘孢木霉分生孢子悬液对杨树苗的光合作用具有积极的影响，最佳诱导量为5×10³ cfu/cm³土。?

Abstract:: Taking tissue-cultured seedlings of Populus davidiana×P.bolleana Loucne as experimental material，through pot experiment，the effects of root application of Trichoderma asperellum ACCC30536 conidia of T1 (5×10² cfu/cm³ soil)，T2 (5×10³ cfu/cm³ soil) and T3 (5×10⁴ cfu/cm³?soil) on photosynthetic diurnal variation and light response curve parameters of P.davidiana×P.bolleana Loucne seedlings were studied.The results showed that T2 inducing had the best effects.In T2 induced seedlings，net photosynthetic rates (Pn) were higher than CK and T1，T3 induced seedlings.The daily net photosynthetic rates curve showed one peak，which coincided with that of the CK and reached peak at about 12:30，after which the curve gradually went downwards.In T2 induced seedlings，daily curves of transpiration rate (Tr)，stomatal conductance (Cond)，intercellular CO₂ concentration (Ci) were all in accordance with control while the values were higher than CK.In T2 induced seedlings，the light response curve parameters namely the maximum net photosynthetic rate (Pn_max)，apparent quantum efficiency (AQY)，light saturation points (LSP) were all higher than those of CK and T1，T3 induced seedlings.All these results led to a conclusion that T.asperellum spore suspension had a positive influence on the photosynthesis of P.davidiana×P.bolleana Loucne seedlings and the best inducing concentration was 5×10³ cfu/cm³ soil.

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备注/Memo

第一作者简介：王慧（1989-），女，硕士研究生，研究方向为园林植物种质资源。E-mail：40426563@qq.com.

责任作者：张荣沭（1965-），女，博士，硕士生导师，研究方向为园林植物种质资源及病害生物防治。E-mail：zrs6504@sina.com.

基金项目：黑龙江省自然科学基金资助项目（C201216）；国家自然科学基金资助项目（31170601）；黑龙江省博士后科研启动基金资助项目（LBH-Q11176）。

收稿日期：2013-09-05

更新日期/Last Update: 2014-08-18