Search results
Results from the WOW.Com Content Network
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]
For other uses, see Rice (disambiguation). Rice plant (Oryza sativa) with branched panicles containing many grains on each stem Rice grains of different varieties at the International Rice Research Institute Rice is a cereal grain and in its domesticated form is the staple food of over half of the world's population, particularly in Asia and Africa. Rice is the seed of the grass species Oryza ...
Talavera's inbred rice production from 2015 to 2021 preserves an average rice production of 42,048.14 metric tons in wet seasons, while it averages 26,580.37 metric tons in dry seasons. Its lowest production has been estimated at 31,894.40 metric tons in 2015 and it highest production has been posted in 2020, with an annual production of 54,292 ...
Rice can come in many shapes, colours and sizes. This is a list of rice cultivars, also known as rice varieties.There are several species of grain called rice. [1] Asian rice (Oryza sativa) is most widely known and most widely grown, with two major subspecies (indica and japonica) and over 40,000 varieties. [2]
Almost no inbreeding depression occurs in self-fertilizing plants because the mode of reproduction allows natural selection to take place in wild populations of such plants. Critical steps in the improvement of self-fertilizing crops are the choice of parents and the identification of the best plants in segregating generations.
When a population is small or inbred, it tends to lose genetic diversity. Inbreeding depression is the loss of fitness due to loss of genetic diversity. Inbred strains tend to be homozygous for recessive alleles that are mildly harmful (or produce a trait that is undesirable from the standpoint of the breeder). Heterosis or hybrid vigor, on the ...
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 ]
Inbreeding is the production of offspring from the mating or breeding of individuals or organisms that are closely related genetically. [1] By analogy, ...