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"Injection" is too expensive, and the researcher of the Institute of Genetic Physiology of the Provincial Academy of Agricultural Sciences, Ni Wanchao, said that the current popular method of treatment of tung tree is two kinds, one is grafting, picking those fruit from the big family of the phoenix tree. Few branches are grafted. Unfortunately, nature has not yet discovered that there are infertile branches of French tung. Another method is the so-called “injection†method. It uses an auxin or compound that can directly ripen the cones and reduce the cones when they ripen. Time and opportunities. In fact, the above methods are all temporary and can only alleviate the pollution situation. In particular, the latter way, a tree can only be used for 4 yuan. It can only be used for one year. There are about 300,000 Ph.D. trees in Nanjing. The cost is too expensive.
Do a “sterilization operation†for the French tree
At present, the institute’s quiet scientific research can be referred to as transgene grafting. It can also be called cloning technology. Simply put, it is to “plant†the sterile genes of other plants into the Tung tree cells. In this way, one “sterile†Tung tree seedling is cultivated, which is equivalent to a “transplantation†operation to the trees. , and then use such branches or grafted onto existing Fatong branches, or naturally planted. Since pollen is no longer produced, it can no longer be fruitful. Therefore, the grafted tung tree is still growing, but it is not floating pollen, not long hair. By the same token, they are preparing to extract a special gene from the bacteria, which can prevent the "seasonal" from "inhabiting" on the tree.
Searching for "Infertility" Genes Ni Wanchao researcher told reporters that in order to find the sterile genes of plants, it took a lot of effort. However, experts from home and abroad have laid the foundation for them. Similar to the human transplant organs, in order to prevent the Phytophthora from having "rejection", they also searched for other plant sterility genes in order to be able to choose the best combination. In addition to rice, what plants are included in the survey? Director Ni said that he is still in the experimental stage and will wait until everything is confirmed.
Phytophthora invariants do not mutate the most difficult A foreign gene that enters the tissue of the tung tree will surely cause growth disturbances. How did experts from the Academy of Agricultural Sciences solve this problem? The reporter yesterday walked into the laboratory of the Provincial Academy of Agricultural Sciences and found that the research had already taken a crucial step. The seedlings after genetically modified surgery had been planted in pots and thrived. Ni Wanchao’s researcher said that genetic tests should be done once every 3 months to see whether genes have been lost. It is also possible to ensure healthy growth and a beautiful landscape after the genetically modified “surgeryâ€. Director Ni told reporters that there will be another two years of effort. The seedlings here will grow up. By that time, they can be promoted to the community. It should be said that eradicating “maomao†is quite possible.
Rice "planted" into the law Tong Maomao no longer floating?
At the moment, it is the day when Fatong's "mao-mao" flutters. In the summer, the "ocean-spices" that fall from time to time are scary. Phadharmony pollen and fruit hair has become a serious source of pollution in Nanjing in the spring. Experts from the Institute of Genetic Physiology of the Jiangsu Academy of Agricultural Sciences are quietly undertaking a bold scientific study to prepare to transfer the "sterility" genes of other plants into the French tung tree so as to solve once and for all the pollution of pollen roaring, hairy hairs, etc. Phenomenon can even eliminate "hot pepper". Yesterday, the reporter walked into this unknown laboratory and took a closer look.