Role of miRNA1917 in Tomato Response to Microgravity Biological Effects of Simulated Microgravity on Arabidopsis Seedlings Progress in the effects of microgravity on plant growth and development Mutagenic Effects of Different Factors in Spaceflight Environment of Shijian-8 Satellite in Wheat Influence of Microgravity on Cellular Differentiation of Root Apical Meristematic Cap in Rice Seedling PEROXIDASE ISOENZYMES ANALYSIS AND RAPD MOLECULAR DETECTION ON POTATO UNDER SIMULATED MICROGRAVITY Adaptation of Mature Spathiphyllum sp. Plant to Prolonged Simulated Microgravity Space Mutation Technique and Its Application in China‘s Ornamental Plant Breeding