Tuberization in potato at high temperatures: Interaction between shoot and root temperatures

Menzel C.M. (1983) Tuberization in potato at high temperatures: Interaction between shoot and root temperatures. Annals of Botany, 52 1: 65-69.

Author Menzel C.M.
Title Tuberization in potato at high temperatures: Interaction between shoot and root temperatures
Journal name Annals of Botany   Check publisher's open access policy
ISSN 0305-7364
Publication date 1983-01-01
Sub-type Article (original research)
Volume 52
Issue 1
Start page 65
End page 69
Total pages 5
Subject 1804 Statistics, Probability and Uncertainty
2604 Applied Mathematics
3207 Social Psychology
3203 Clinical Psychology
2743 Reproductive Medicine
1110 Nursing
1108 Medical Microbiology
Abstract Tuber formation in intact potato plants (Solanum tuberosum L. cv. Sebago) was reduced by high shoot or root temperatures and strongly inhibited when both were high. When both the shoot and root temperatures were high, disbudding strongly promoted tuberization. There was a smaller increase with warm roots and cool shoots, but no response with warm shoots and cool roots. When both the shoots and roots were cool, disbudding reduced tuberization. Exogenous GA3, effectively substituted for the buds at high temperatures, completely preventing tuberization. In apical cuttings, removal of the terminal bud, but not the roots, reduced the inhibitory effects of high temperatures on tuberization. The experiment indicates that tuber production may be controlled by at least three factors: a promoter, which is not assimilate, produced by the buds at cool temperatures; an inhibitor, derived from the buds, but dependent on warm root temperatures for its formation; and a second inhibitor derived from the mature leaves and produced in response to warm shoot temperatures.
Keyword Disbudding
Gibberellic acid
Potato
Solanum tuberosumL
Temperature
Tuberization
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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Created: Tue, 23 Aug 2016, 13:50:23 EST by System User