Fig. 3

Changes in starch (a, c) and soluble sugars (b, d) contents during bulblet initiation and development. a, b: bulblets and zones where bulblets are formed; c, d: outer, middle, and inner layers of mother scales. Os: outer scales; Ms.: middle scales; Is: inner scales. Data are shown as the mean ± standard error (n = 3), different letters represent significant differences of the means (P < 0.05)