Hybrid rice
Hybrids are crosses between two genetically different rice elders. If the elders are properly selected then the hybrid of the derivative will have a higher vigor and yield power on both elders.
The advantages of hybrid rice are
Higher yield
The spirit is better to be more competitive against weeds, and
The shortage of hybrid rice is
The price of seed is expensive
Farmers have to buy new seeds every planting, because the seeds of the previous harvest can not be used for the next crop.
Not every strain or variety can be a hybrid rice parent.
To produce a hybrid.
National seed production and distribution system,
National quality assurance program, and
National ability to supervise the production of strains and seeds.
Note: Although there are many, many hybrids are now available with good grain quality and better resistance to pests and diseases.
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