Potassium (K) supply affects K accumulation and photosynthetic physiology in two cotton (Gossypium hirsutum L.) cultivars with different K sensitivities

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Potassium (K) supply affects K accumulation and photosynthetic physiology in two cotton (Gossypium hirsutum L.) cultivars with different K sensitivities

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作者：Wei Hu^a ; ^b ; Nan Jiang^a ; Jiashuo Yang^a ; Yali Meng^a ; Youhua Wang^a ; Binglin Chen^a ; Wenqing Zhao^a ; Derrick M. Oosterhuis^b ; Zhiguo Zhou^a ; ^{giscott@njau.edu.cn" class="auth_mail" title="E-mail the corresponding author}
关键词：CV(%) ; coefficient of variance ; Wm ; the maximum theoretical accumulation of potassium ; Vm ; the maximum accumulation rate of potassium ; VT ; the average accumulation rate of potassium ; t1 ; the start time of the potassium rapid-accumulation period ; t2 ; the termination time of the potassium rapid-accumulation period ; T ; the duration of the potassium rapid-accumulation period ; tm ; the occurrence time of maximum accumulation rate of potassium ; Pn ; net photosynthetic rate ; gs ; stomatal conductance ; Ci
刊名：Field Crops Research
出版年：2016
出版时间：September 2016
年：2016
卷：196
期：Complete
页码：51-63
全文大小：1935 K

文摘

•: K application changed the K accumulation pattern for both cultivars.
•: Photosynthesis, chlorophyll fluorescence and carbohydrates contents were affected by K.
•: Stomatal limitation dominated the reduction in m>Pm>_n at BSS for Simian 3 and at PFS for Siza 3. Since then, non-stomatal factors dominated the reduction.
•: m>Pm>_n, chl a + b and chlorophyll fluorescence parameters under K deficiency were more negative in Siza than Simian 3.
•: Rubisco activation state and SuSy activity were more sensitive to K for Siza 3.