Musa characterization
Morphological characterization of banana and plantain collection at IITA.
Recorded from the base of pseudostem to emerging point of the peduncle
Recorded at fruit maturity (‘ready to eat’ ripe, but not over-ripe; full yellow stage)
Recorded from the base of the pseudostem to the emerging point of the peduncle
Record the overall impression of colour of the exposed surface of the underlying pseudostem. main colour’ should cover more than 75% of the underlying pseudostem surface.
Recorded on the third, fully unfolded leaf counting down from the top of the plant. (See Fig. 5)
Record the relative surface area coverage by blotches.
scored on the upper leaf sheath
The third leaf (Leaf III) is counted from the last leaf produced before bunch emergence. Cut the petiole halfway between the pseudostem and the leaf blade and examine the cross section
Margin is the part of the petiole that can be bent outwards/inwards
Observation should be made at shooting on the neck, where the petiole and pseudostem meet. Margin is the part of the petiole that can be bent outwards/inwards
Observation should be made at shooting. Record on the last developed leaf at flowering stage.
Observation should be made before shooting, on a developed sucker or on another plant of the same accession.
(Position of the fruit-bearing part). Angle from vertical to the general axis of the bunch
Angle between the axis of the bunch and the vertical
Score on fully developed plant with no environmental stress
Observe only the part of the rachis between the last hand and the male bud
Measured at its maximum point
Measured at its maximum point
Recorded from the pseudostem to the lamina
Measured from the leaf crown to the first hand of fruit
Recorded at mid-length
Length and maximum diameter of male bud at harvest
Measured as the internal arc of the fruit, without pedicel
Measure the length (y) of male bud at harvest
List of accessions included in the dataset