Performance of Soft Rice (<i>Oryza sativa L</i>.) Grown in Early Season in China |
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| Authors: | Xiaohong Yin Hengdong Zhang Jiana Chen Ruichun Zhang Longsheng Liu Min Huang Guanghui Chen Yingbin Zou |
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| Institution: | 1 Crop and Environment Research Center for Human Health, College of Agronomy, Hunan Agricultural University, Changsha, 410128, China2 Hengyang Institute of Agricultural Sciences, Santang, 421101, China |
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| Abstract: | Eating quality is of paramount importance to rice (Oryza sativa L.)
consumers and soft rice with low amylose content has become popular in China.
This study was conducted to evaluate the performance of soft rice grown in the
early season (ES) dominated by non-soft rice. Field experiments were conducted
in Yongan and Santang, Hunan Province, China from 2016-2018. Results
showed that grain amylose content in soft rice cultivars was consistently lower in
the ES compared to the late season (LS). The lower grain amylose content in the
ES compared to the LS was partly attributed to higher average daily mean
temperature during grain filling. No significant relationship was observed
between grain yield and seed amylose content in ES rice. Soft rice cultivars
produced a similar average grain yield to non-soft rice cultivars in the ES. These
results encourage breeders to develop more ES rice cultivars with soft texture to
meet the consumer demand for this type of rice. |
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| Keywords: | Amylose content early season rice grain quality grain yield |
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