Open AccessZUR BEDEUTUNG VON ANTITRANSPIRATIONSMITTELN FÜR TROPISCHE KULTURPFLANZEN
Author(s) -
L. Steubing,
Reimer Herrmann,
Richard Michler
Publication year - 2016
Publication title -
boletin de investigaciones marinas y costeras/boletín de investigaciones marinas y costeras
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.177
H-Index - 14
eISSN - 2590-4671
pISSN - 0122-9761
DOI - 10.25268/bimc.invemar.1971.5.0.569
Subject(s) - phaseolus , transpiration , trifolium repens , horticulture , chlorosis , agronomy , chemistry , botany , biology , photosynthesis
The influence of different foliar sprays as antitranspirants (solutions of Octodecanol 0.1-0.5% and some substances which are commonly used in Columbia as pesticides such as Triton 15%, Cresopinol 10%, oil emulsion 1%) have been tested on Trifolium repens, Phaseolus vulgaris and Manihot esculenta under field and under glass-house conditions. The water loss of these plants decreased considerably after application. A remarkable reduction of the speed of water transport in the stem could be measured as well as a decline of both transpiration and water deficit of the leaves. Decrease of leaf temperatures and porometer values have been observed. Octodecanol was most efficient, followed by Triton 500. A spray of oil caused infiltration and toxic effects; the same influences have been noted after application of Cresopinol, but somewhat less frequently.