Japonica rice grains are short, roundish, spikelets are awnless to long-awned, grains do not shatter easily, and have 0-20% amylose content. Indica rice grains are long to short, slender, somewhat flat, and the spikelets are awnless.

2023年6月5日 · Indica Rice Varieties . The indica variety of rice, which is most often long-grained and aromatic, is far more widely consumed than the typically short- or medium-grained rice of the japonica variety.

2017年10月30日 · Improvements in grain quality in indica inbred rice have been limited, with some increases in head rice rate and decreases in chalky rice rate and amylose content.

2020年9月22日 · Obtaining genetic variation information from indica rice hybrid parents and identification of loci associated with heterosis are important for hybrid rice breeding. Here, we resequence 1,143...

Indica rice is the other of the two major eco-geographical races of Oryza sativa (O. sativa indica). It is the major type of rice grown in the tropics and subtropics. They grow mostly in the Philippines, India, Pakistan, Java, Sri Lanka, Indonesia, central and southern China, and African countries.

2009年3月1日 · The typical Indica type of rice as detected in Glaszman's work is prevalent in East Asia, composing one of two dominant types, which may have been selectively introduced to Southeast Asia out of many intermediate types in the secondary center and …

Rice is the world's most important food crop. Indica-type rice provides the staple food for more than half of the world population. To satisfy the growing demand of the ever-increasing population, more sustained production of indica-type rice is needed. …

2022年3月28日 · The fourth generation (4G) of rice is inter-subspecific introgression rice, including japonica-introgressive indica rice and indica-introgressive japonica rice. Since the 1970s, restorer genes have been transferred from indica to japonica to develop japonica restorer lines for japonica hybrid rice.

Indica varieties, which are generally recalcitrant to tissue culture and transformation, occupy 80 % of rice cultivation area in the world. Therefore, transformation method for indica rice must be improved greatly so that global rice production would take full advantage of cutting-edge biotechnology …

1988年1月1日 · First, Ting (1957, 1961, p.23) postulated that the Hsien (Indica) rice evolved from the common wild rice in southern China and the Keng (Japonica) rice was derived from the Hsien later. His postulation was based on similarities of Hsien cultivars to the wild rice in their adaptation to swampy habitat and also in spikelet shape, leaf pubescence ...