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Effect of Foliar Fertilizer on Photosynthetic Physiological Characteristics of Cymbidium Lowianum

ZHAO Feng1,WANG You-guo1,WANG Qi2(1.Kunming University,Kunming,Yunnan 650214;2.Yunnan Forestry Technological College,Kunming,Yunnan 650224)  
Taking pot cultured anual Cymbidium lowianum as test materials,randomized block experiment was used,the effects of the photosynthetic physiological characteristics by 'Potassium Dihydrogen Phosphate','Biogen','Cuijun B-2' 3 different foliar fertilizer were studied.The results showed that to Cymbidium lowianum,when the treatment concentration of 'Cuijun B-2' at dilutions of 1∶300,the treatment concentration of Biogen at dilutions of 1∶400,the indexes of photosynthetic physiology,the value of net photosynthetic rate,stomatal conductance,transpiration rate,were relatively larger,while the value of intercellular CO2 concentration was relatively smaller,the photosynthetic efficiency was high,which was beneficial to exuberant growth.
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