Advances in the systematic classification and genetic diversity of iron plants.

Sukirta plants are the oldest seed plants on earth, which have important research value in vegetation evolution and species protection, and there are only about 348 species in the Cycadaceae and Zamiaceae 2 sections.
, nearly 63% of the species are listed as endangered by the International Union for Conservation of Nature (IUCN) Red List, and the southwest region of China and the Central and Southern Peninsula are one of the two distribution centers of modern Sutte plants.
The Research Group of Kunming Plant Research Institute of the Chinese Academy of Sciences has been working on the systematic development and conservation biology of the Sut iron plant, and has discussed the origin and evolution of its species diversity and genetic diversity in the light of geological activities and climate change, providing a theoretical basis for its effective protection.
the conservation strategies proposed in previous studies are mostly specific to specific solith species or groups, and there is a lack of systematic genetic diversity comparison and protection recommendations for reported Sut iron species in China.
Recently, based on the systematic classification and genetic diversity research progress of Sut iron plants in the past two decades, Dr. Zheng Ying of the research group reviewed the distribution pattern (figure), genetic diversity, genetic structure and protection status of Sut iron plants in China. Most of the Sula iron species in southwest China experienced cluster shrinkage during the Fourth Age ice age, while the coastal species expanded in clusters;
addition, by reviewing the contributions made by previous people in the protection of suko plants, the paper further makes six suggestions, with a view to providing reference for other endangered plants such as suktray plants.
the study, funded by the NSFC-Yunnan Joint Fund (U1136602), was published in Ecoology and Evolution under the title Distribution, Diversity, and Conservation status of Cycas in China.
.