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当前位置: 首页 > 文章 > 三种有机蔬菜结果期光合及荧光特性研究 北方园艺 2015 (12) 10-14
Position: Home > Articles > Study on Photosynthetic and Chlorophyll Fluorescence Characteristics of Three Kinds of Organic Vegetables Northern Horticulture 2015 (12) 10-14

三种有机蔬菜结果期光合及荧光特性研究

作  者：
张金梦;江洪;吴丹娜;刘玉莉;孙文文;马锦丽
单  位：
浙江农林大学国际空间生态与生态系统生态研究中心
关键词：
有机种植;黄瓜;番茄;豇豆;光合特性;叶绿素荧光;叶绿素相对含量
摘  要：
有机种植是在生态学理论指导下的一种重要的种植体系,但是缺乏对其深入的机理研究。该试验以结果时期的黄瓜、豇豆和番茄为研究对象,测定其在有机种植条件下叶片的光合特性、叶绿素荧光参数和叶绿素相对含量等指标,研究三者叶片光合特性的特点与差异。结果表明:3种有机蔬菜叶片的叶绿素含量大小为豇豆>黄瓜>番茄;3种有机蔬菜的净光合速率Pn、蒸腾速率Tr和气孔导度Gs对光强的响应为:豇豆>黄瓜>番茄,拟合的最大净光合速率Pnmax和光饱和点LSP的大小为:黄瓜>豇豆>番茄,表观量子效率AQE、光补偿点LCP和暗呼吸速率Rd的大小为豇豆>黄瓜>番茄;PSⅡ光化学效率(Fv/Fm)和PSⅡ潜在活性(Fv/Fo)大小均为黄瓜>豇豆>番茄。综合以上结果得出,有机黄瓜和豇豆的叶片的光合固碳能力较强,番茄弱之。
译  名：
Study on Photosynthetic and Chlorophyll Fluorescence Characteristics of Three Kinds of Organic Vegetables
作  者：
ZHANG Jin-meng;JIANG Hong;WU Dan-na;LIU Yu-li;SUN Wen-wen;MA Jin-li;International Ecological Research Center,Zhejiang Agricultural and Forestry University;International Earth System Scientific Institute,Nanjing University;
关键词：
organic farming;;cucumber;;tomato;;asparagus bean;;photosynthetic characteristics;;chlorophyll fluorescence;;the relative chlorophyll content
摘  要：
Organic farming is an important kind of cultivation under the guidance of ecology theory.Nonetheless there is lack of the further research about its mechanism.The photosynthetic capability of cucumber,asparagus bean and tomato in the fruiting period were studied,as they were grown in normative organic horticulture.Photosynthetic characteristics,chlorophyll fluorescence and the relative chlorophyll content were compared between cucumber,asparagus bean and tomato under same organic growing conditions.The results showed that the value of the relative chlorophyll content of the three vegetables' leaves was asparagus bean>cucumber>tomato.The corresponding of Pn/Tr/Gs of the three organic vegetables to light intensity was asparagus bean>cucumber>tomato.The value of fit Pnmax and LSP was cucumber>asparagus bean>tomato.The value of AQE,LCPand Rd was asparagus bean>cucumber>tomato.The value of Fv/Fmand Fv/Fo was cucumber>asparagus bean>tomato.Based on the above results,it showed that the photosynthetic capability of the organic cucumber and asparagus were stronger than tomato's.

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