Flowerless gene and pure nutrition growth plant type establishment and its established technical system

An ananthous gene of plant, which can lead seed plant to lose its generation power of flower organ, a plant line with only nutritive growth and no flower, fruit and seed, which is created on the basis of said ananthous gene, and a technological system for creating said plant line are disclosed. The said plant line features no environmental pollution and high-speed growth of root, stem and leaf.