Chinawat Yapwattanaphun

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This study aimed to identify Bhutanese mandarin accessions using morphological characteristics. A total of 30 accessions were selected from six districts in the major mandarin-growing regions in Bhutan. Samples of 15 leaves, 5 flowers and 15 fruit were collected randomly from each accession. A total of 23 characters were evaluated from the trees, leaves,(More)
Bhutan is a small Himalayan country lying within the region considered to be the origin of citrus. Diverse citrus wild types grow naturally in different climates, elevations and edaphic conditions, but only mandarin is cultivated commercially. The first report of Huanglongbing (also known as greening disease) in Bhutan in 2003, and the threat it posed to(More)
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