The New Sort Of Rice That Requires No Fertilizers
The international association of the specialists in genetics has developed the new sort of rice which is able to grow and crop in the soil which lacks phosphor without the necessity in using any fertilizers. They inserted the PSTOL1 gene into the DNA molecule of the plant. The PSTOL1 gene was present in the DNA structures of wild rice in fact but was “lost” in the process of domestication as reported in the article published in the latest issue of Nature magazine.
Phosphor is the micro-element of the crucial significance for the normal growth and development of both plants and animals. As a rule the soil in the most regions contains less phosphor than it is required to maintain the maximum fast growth of the croppers. In that way these ares need the constant manuring. The left-outs of the mineral fertilizers used are washed by the waters of the rivers into the sea. That causes the increasing the amount of seaweed and the acidulation of the water.
The group of biologists under the supervision of Sigrid Heuer from the International Rice Research Institute (IRRI) in Manila, Philippines have compared the genetic structures of the domestic sorts of rice (Oryza Sativa) and the wild rice growing in the northern regions of India.
Sigrid Heuer has been studying the Indian sorts of rice together with his colleagues during the last 12 years. Their attention was attracted by the sort of wild rice called “Aus” which is able to crop and grow normally in the soil which lacks the essentials mineral and micro-elements. They developed the sort “Kasalth” which showed better result in comparison with the other types of wild rice planted in the poor soil.
As the scientists state the effectiveness of soaking phosphor into the tissues of the leaves and crop depends not only upon the structure of the roots but also upon the numerous chemical processes inside the green cells of the plant.
Heuer and his colleagues suppose that their discovery will help to bring the new enduring types of domestic rice forth. These new sorts will be able to grow in the poor soil of the developing countries. In that way the expenses on fertilizers will reduce and rice will become cheaper. The cost of nitric phosphates is high and though rice is the most popular cropper in the world it still remains inaccessible for the poorest layers of the society in China, India and Philippines.