MICROSCOPIC STUDY OF LEAF AND PETIOLE ANATOMY OF MANIHOT ESCULENTA CRANTZ. (RED CASSAVA) OBTAINED FROM BOTANICAL GARDEN AKWA IBOM STATE POLYTECHNIC, IKOT OSURUA
Abstract
ABSTRACT
The microscopic study of leaf and petiole anatomy of Manihot esculenta
Crantz. (Red cassava) was carried out using microscopic method. The result
for the qualitative analysis of the leaf epidermal studies of Manihot
esculenta reveal the following: shape of epidermal cell on the adaxial and
abaxial surfaces was irregular, the anticlinal wall pattern of adaxial and
abaxial surfaces are sinuous and undulate, stomatal distribution on both
surfaces were hypostomatic. Type of stomata was absent on adaxial surface
but anomocytic on the abaxial surface. Trichome was absent in both adaxial
and abaxial surface. The result for the quantitative analysis for both adaxial
and abaxial surface revealed the following: length of epidermal cell: adaxial
(40.416±3.958), abaxial (29.336±6.575), width of epidermal cell: adaxial
(16.13±1.834), abaxial (9.9±0.776), length of stomata: adaxial (absent),
abaxial (24.74±304.49), width of stomata: adaxial (absent), abaxial
(11.49±1.02627) additionally the petiole anatomy shows the secondary
growth medullary bundle cortext epidermis. This result provides insights
into the leaf anatomy and morphology which can inform breeding
programmes and crop improvement strategies for cassava. The unique
features observed in this study may contribute to the plant’s adaptability and
stress tolerance.
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