In vivo fixation of CO2 by attached pods of Brassica campestris L.

Sheoran, I. S. ; Sawhney, V. ; Babbar, S. ; Singh, Randhir (1991) In vivo fixation of CO2 by attached pods of Brassica campestris L. Annals of Botany, 67 (4). pp. 425-433. ISSN 0305-7364

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In vivo net CO2 exchange characteristics of attached Brassica pods were studied during the entire period of their growth and development after anthesis. 14CO2 was fed both from the external atmosphere and internally through the pod cavity, and the anatomy of the pod-wall was examined microscopically. Stomata were observed in the outer epidermal layer of the pod wall. Net in vivo CO2 fixation by the pods was observed throughout the period of their development and was maximum on day 42 after anthesis (DAA). Compared to the internal feeding experiments, 14CO2 fixation from the external environment was very high. Apparent translocation of fixed carbon from the pod wall to seeds was rapid. Pod photosynthesis contributed substantially to seed growth.

Item Type:Article
Source:Copyright of this article belongs to Oxford University Press.
Keywords:Pods; Brassica Campestris L; Co2 Fixation Stomata
ID Code:84530
Deposited On:27 Feb 2012 04:06
Last Modified:27 Feb 2012 04:06

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