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《Journal of Forestry Research》 2018年05期
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Biochemical changes associated with flowering in Bambusa arundinacea and Bambusa nutans

Pramod Kumar  Yogeshwar Mishra  
【摘要】:Biochemical changes associated with flowering in Bambusa arundinacea Linn and Bambusa nutans Wall.ex Munro were analyzed.Gregarious flowering was initiated in natural areas and plantations of B.arundinacea in late 2014 and reached full bloom in early 2015,whereas sporadic flowering recorded during 2014–2015 in vegetatively propagated plants of B.nutans.Leaf and nodal shoot samples from flowering culms/shoots and nonflowering culms/shoots were collected in February 2015 at the initiation of fruit filling,then analyzed and compared for soluble sugars,phenols and peroxidase activity.In both species sugars were higher in leaves of flowering culms/shoots and lower in nodal shoots of flowering culms/shoots compared to the nonflowering.Phenols were lower in leaves and nodal shoots of flowering B.arundinacea,but higher in leaves and decreases in nodal shoots of B.nutans.Peroxidase activity increases in leaves and nodal shoots of B.arundinacea after flowering but increases in nodal shoots and decreases in leaves of B.nutans.

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