Loss of mineral nutrients from banana pseudostems after harvest

Turner, D.W. and Barkus, B. (1973) Loss of mineral nutrients from banana pseudostems after harvest. Tropical Agriculture(Trinidad), 50. pp. 229-233.

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Changes in N, P, K, Ca, Mg, Mn, Zn and Cu in the banana pseudostem were followed for 10 weeks after bunch harvest. The pseudostems lost dry weight at the rate of 90 g/week and fresh weight at the rate of 63 g/week. Proportionately, 39% of the dry weight initially present, but only 2% of the fresh weight, was lost in the 10-week period. The absolute amounts of elements lost (also expressed as percentages in parentheses) of the amount initially present, were: 46 g K (30), 8 g N (39), 4.5 g Ca (24), 0.7 g P (57), 0.55 g Mn (27) and 7.1 mg Cu (44). If the lost nutrients were translocated to the growing sucker, as is likely, they would contribute more than 40% of its requirements for all elements except Mg and Zn.

Item Type: Article
Uncontrolled Keywords: The assistance of Messrs F. N. Gray and N. Roulstone during sampling and drying is acknowledged. We are grateful to collegues who commented upon the text.
Author Affiliation: Alstonville Tropical Fruit Research Station, NSW, Australia.
Subjects: Postharvest Management
Social Sciences > Postharvest Management
Divisions: Other Crops
Depositing User: Mr Balakrishna Garadasu
Date Deposited: 25 Jun 2013 10:36
Last Modified: 25 Jun 2013 10:36
URI: http://eprints.icrisat.ac.in/id/eprint/10727

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