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Title: On the formation of nodules in the cortex of hevea brasiliensis
Author: Bryce, G.
Awarding Body: University of Edinburgh
Current Institution: University of Edinburgh
Date of Award: 1923
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1. Nodules are produced in the cortex of Hevea brasiliensis as the result of an alteration in the latex vessel content. 2. This alteration has not been connected with the attack of any parasitic organism, b ut appears rather to be due to physiological changes in the latex. 3. The tendency to suffer alteration in the latex vessel content appears to be confined to certain individual trees which have a predisposition to develop this condition. 4. Four types of nodule have been distinguished :- (a) Nodules formed round altered latex vessels. (b) Nodules formed round lesions in the cortex into which latex has oozed and coagulated. May occur in any Hevea tree. (c) Nodules formed round areas into which latex has oozed and coagulated ; the coagulated latex occupies the intercellular spaces without lesion of tissue. May occur in any Hevea tree. ('d) Nodules formed under unknown conditions round areas of cortex from which latex m ay be entirely absent. Rare.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (D.Sc.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available