<p>Domesticated enset primarily propagated through a vegetative method developed by farmers. A series of experiments were carried out to determine the optimal age of the parent plant, and to evaluate the shoot regeneration efficiency of enset landraces using different corm types. In the initial trial, four landraces (<i>Bosso</i><i>, </i><i>Gudiro</i><i>, </i><i>Yekko</i>, and <i>Chikaro</i>) and four age groups (one to four years old) of corms were used. The subsequent experiment involved three corm types: whole, halved, and quartered, arranged in a factorial combination with wild and three domesticated landraces (Gudiro, Bosso, and Yekko). In the first experiment, the highest number of shoots (465 shoots per corm) was observed in corms obtained from a three-year-old Yekko landrace, while the lowest number of shoots (42 shoots per corm) was obtained from a one-year-old corm of the Bosso landrace. In the second experiment, we noted significant differences in the ability to regenerate between landrace and corm types. The most prolific shoot multiplication rate (500 shoots per corm) was observed in quartered corms of the Yekko landrace. Conversely, the lowest shoot multiplication rate (6 shoots per corm) was found in whole corms of wild enset. Shoot induction efficiency across all enset landraces was greatly enhanced by splitting the corm. Therefore, it can be inferred that quartered corm pieces of enset from a three-year-old parent plant exhibit superior performance in terms of shoot multiplication capacity in all studied landraces. Consequently, quartered enset corm pieces obtained from a 3-year-old plant can be utilized for efficient propagation of enset.</p>

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Regeneration Efficiency of Enset (Ensete ventricosum (Welw.) Cheesman) Based on Landrace, Age of Plant and Corm Type

  • Bewuketu Haile,
  • Bizuayehu Tesfaye,
  • Temesgen Magule Olango

摘要

Domesticated enset primarily propagated through a vegetative method developed by farmers. A series of experiments were carried out to determine the optimal age of the parent plant, and to evaluate the shoot regeneration efficiency of enset landraces using different corm types. In the initial trial, four landraces (Bosso, Gudiro, Yekko, and Chikaro) and four age groups (one to four years old) of corms were used. The subsequent experiment involved three corm types: whole, halved, and quartered, arranged in a factorial combination with wild and three domesticated landraces (Gudiro, Bosso, and Yekko). In the first experiment, the highest number of shoots (465 shoots per corm) was observed in corms obtained from a three-year-old Yekko landrace, while the lowest number of shoots (42 shoots per corm) was obtained from a one-year-old corm of the Bosso landrace. In the second experiment, we noted significant differences in the ability to regenerate between landrace and corm types. The most prolific shoot multiplication rate (500 shoots per corm) was observed in quartered corms of the Yekko landrace. Conversely, the lowest shoot multiplication rate (6 shoots per corm) was found in whole corms of wild enset. Shoot induction efficiency across all enset landraces was greatly enhanced by splitting the corm. Therefore, it can be inferred that quartered corm pieces of enset from a three-year-old parent plant exhibit superior performance in terms of shoot multiplication capacity in all studied landraces. Consequently, quartered enset corm pieces obtained from a 3-year-old plant can be utilized for efficient propagation of enset.