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Growth and Development of Short and Long Season Sweet Potatoes in Sub-Tropical Australia

Published online by Cambridge University Press:  03 October 2008

D. O. Huett  and
G. H. O'Neill
D. O. Huett
Affiliation:
Tropical Fruit Research Station, Alstonville
G. H. O'Neill
Affiliation:
Agricultural Research Centre, Wollongbar; both of Department of Agriculture, NSW, Australia
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Summary

The growth and development of a short-season sweet potato (Nemagold) and a long-season cultivar (White Maltese) were compared quantitatively in sub-tropical Australia and also with growth data for Nemagold in a temperate environment. Total and storage root dry matter production (DMP) followed autocatalytic equations, with similar whole plant DMP from planting to week 25 for both cultivars but plateauing (at 90% of asymptotic weight) at week 23 for Nemagold (448 g) with favourable temperatures and at week 38 for White Maltese (813 g) when temperatures were unfavourable. Storage root DMP of Nemagold plateaued at week 23 (246 g) and at week 36 (219 g) for White Maltese. Data are given on other attributes and on phasic development.

Type
Research Article
Information
Experimental Agriculture , Volume 12 , Issue 4 , October 1976 , pp. 385 - 394
Copyright
Copyright © Cambridge University Press 1976

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