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Jasmati Rice is a conventionally bred, inbred line (variety) of long grain of rice whose name is derived from jasmine rice and basmati. Jasmati is neither "genetically engineered" (as in transgenic) nor is it an F1 hybrid. It is said to possess the traits of both grains – namely the softness (when cooked) of basmati, and the nutty aroma of ...
Hybrid Rice. Hybrid rice is a type of Asian rice that has been crossbred from two very different parent varieties. [1] As with other types of hybrids, hybrid rice typically displays heterosis or "hybrid vigor", so when grown under the same conditions as comparable purebred rice varieties, it can produce up to 30% more yield. [2]
By cross-breeding together IR8 with 13 parent varieties from six nations, Dr. Khush developed IR36, a semi-dwarf variety that proved highly resistant to a number of the major insect pests and diseases that raised farmers' rice yields and drove down prices of the staple food for Asian families. [1]
Compared to inbred lines, hybrids produce approximately 20% greater yield, and comprise 45% of rice planting area in China. [19] Rice production has seen enormous rise in China due to heavy uses of hybrid rice. In China, efforts have generated a super hybrid rice strain ('LYP9') with a production capability around 15 tons per hectare.
It describes the tendency of the progeny of a specific cross to outperform both parents. The detection of the usefulness of heterosis for plant breeding has led to the development of inbred lines that reveal a heterotic yield advantage when they are crossed. Maize was the first species where heterosis was widely used to produce hybrids.
In plants, the term inbred backcross line (IBL) refers to a line (i.e. population) of plants derived from the repeated backcrossing of a line with artificially recombinant DNA with the wild type, operating some kind of selection that can be phenotypical or through a molecular marker (for the production of an introgression line).
The parents are usually two inbred strains. Hybrid seed is common in industrial agriculture and home gardening. It is one of the main contributors to the dramatic rise in agricultural output during the last half of the 20th century. [1] Alternatives to hybridization include open pollination and clonal propagation. [2]
At present, as much as 50 percent of China's total number of rice paddies grow Yuan Longping's hybrid rice and these hybrid rice paddies yield 60 percent of the total rice production in China. [6] China's total rice output rose from 56.9 million tons in 1950 to 194.7 million tons in 2017. [ 15 ]
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