Study On Popularization And Application Of Hybrid Rice

In this thesis, the popularization of hybrid rice was discussed. The investigation area is limited to China, especially in Hunan province. By referring data, visiting rural areas, consulting relevant experts and investigating the major seed enterprises, A much comprehensive research was carried out on historical process and present situation, beneficial conditions, main restricting factors, and countermeasures of the hybrid rice popularization and application of research. The following were the main results of this thesis:1. The popularization of hybrid rice plays an important role in the agricultural production and the rice security. Also, it has an enormous potential market of popularization meanwhile, the popularization of hybrid rice variety has been highly emphasized by governments at all levels and is popularized by many farmers. In 2009 hybrid rice has been popularized 74754.82 million hectares in China, and the sales of hybrid rice seeds in Hunan was 61720 million kilograms, planting areas was 224.4 million hectares.2. At present, the main restrictive factors of the popularization of hybrid rice include poor competences of the seeds enterprises, unsoundness of sales networks and technical services, poor anti-risk abilities, deficiency of economic power and talents, and inadequate protection of the intellectual properties of new varieties.3. In order to popularize hybrid rice, some measures are put forward. Firstly, the selection and examination of new combination should be strengthened, especially for the cultivation of hybrid rice and japonica hybrid rice. Secondly, the government should support and encourage the seed enterprises to merge and reorganize high capitals, which will benefit the property diversification, the expansion of enterprises and the protection of varieties. Finally, the responsibility subjects should protect the variety right and the enthusiasm of science and technology innovations. In order to maintain the normal seed market order and protect the profits of enterprises and farmers, they also should enhance the managements of the seeds markets, investigate and penalize those who produce and sell fake seeds according to law.