Effect of Soil Moisture Content and Irrigation Intervals on Sennoside Content of Alexandrian Senna (Cassia acutifolia L.)
Effect of Soil Moisture Content and Irrigation Intervals on Sennoside Content of Alexandrian Senna (Cassia acutifolia L.)
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Date
2014-02
Authors
Fadl, Mahmoud
Abdel Rahman, Yasin
Mohamed, Mustafa
Abdel Gadir, Awatif
Sulieman, El Tayeb
Journal Title
Journal ISSN
Volume Title
Publisher
UOFK
Abstract
A field experiment was conducted for two consecutive seasons (2003 and 2004)
in the demonstration farm of the Faculty of Agricultural Studies, Sudan University of
Science and Technology at Shambat, Sudan to study the effect of irrigation intervals and
quantity of water on sennoside content of Alexandrian senna leaves and pods. Three
levels of soil moisture content (50%, 75%, and 90% field capacity) and three irrigation
intervals (7, 10, and 14 days) were used for the determination of sennoside content
(Sennoside A and B) of Alexandrian senna (Cassia acutifolia L.). Data were collected on
leaf yield, pods yield, percentage of sennoside content of pods and leaves at flowering
and after fruiting stages. Pod sennoside content was 5.35%, 5.41% and 5.46% during the
first season and 5.07%, 5.43% and 5.35% during the second season for intervals of 7, 10,
and 14 days, respectively. Results showed that the highest quantities of water decreased
the percentage of sennoside content in leaves and pods. The sennoside content of leaves
at the flowering stage was 2.56%, 2.63% and 2.7% during the first season, and 2.49%,
2.52% and 2.51% during the second season. Pod sennoside content was 5.48%, 5.46 %
and 5.28% during the first season, and 5.51%, 5.32% and 5.04% during the second
season for quantities of 50%, 75%, and 90% field capacity, respectively. It was
concluded that lower quantities of water (50% field capacity) increased the leaf sennoside
content significantly than that of the higher field capacity (95%).
Description
Keywords
Senna; field capacity; sennoside; soil moisture; irrigation intervals