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A survey was undertaken in two valleys of the Bumthang area in Central Bhutan to study the morphological diversity, farmers' knowledge, management practices, yield and income generation potential of the neglected Himalayan Pear (Pyrus pashia Hamilton ex D. Don). For this study a total of 148 Pyrus pashia accessions were collected and 103 households interviewed. Three quantitative and 14 qualitative traits such as colour, size, shape and texture of fruits and tree habit were used for morphological characterization of the accessions. The results demonstrated a high morphological diversity within the P. pashia trees. Fruit shape varied widely from globose to pyriform, fruit skin colour from light yellow and glossy to brown and dull. The observed diversity is likely due to the fact that under farmers' conditions trees are propagated through seedlings rather than by grafting. None of the characters were specific and correlated with region or altitude. Distinct local cultivars with specific characters were absent making it impossible to group the pears morphologically. Interviews revealed low numbers of trees per farmers, lacking marketability of the fruits and farmers' subsequent preference for improved varieties as major obstacles for the in situ preservation of biodiversity in P. pashia in this area.

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