| Pathum Thani 1 (PTT1) grown in Northern Thailand is often rejected by buyers on the basis of it poor quality, while it is a popular variety among farmers and rice mills in the Central region. This study evaluated head rice yield and chalkiness in dry season of PTT1 from different regions of Thailand. Samples of dry season 2011 crop of PTT1 were collected from the Upper North, Lower North, Central, East, and Northeast. Sixty-seven paddy samples were dehulled and milled individually. The milled rice of each sample was separated into head and broken rice to determine percentage of head rice. Percentage of chalkiness was determined by weight of chalky grain, in both whole and broken grain. The Central region had the highest percentage of chalkiness (49.1%) and... |
