Fashui H, Zhenggui W, Guiwen Z
Department of Chemistry, University of Science and Technology of China, Anhui, Hefei, People's Republic of China.
Biol Trace Elem Res. 2000 Summer;75(1-3):205-13. doi: 10.1385/bter:75:1-3:205.
Attempts were made to promote germination of natural aged rice seeds by treating them with lanthanum nitrate. In tests to measure the germination rate, germination index, and vigor index of natural aged rice seeds were found to be significantly increased by lanthanum. It is treating aged rice seed with lanthanum nitrate that enhanced the respiratory rate and activities of superoxide dismutase, catalase, and peroxidase, and decreased superoxide O2*- and malondidehyde contents, and therefore reduced plasma membrane permeability. It suggests that lanthanum may be used to pretreat seed before sowing.
人们尝试用硝酸镧处理自然老化的水稻种子以促进其萌发。在测量发芽率、发芽指数和活力指数的试验中，发现硝酸镧能显著提高自然老化水稻种子的这些指标。用硝酸镧处理老化水稻种子可提高呼吸速率以及超氧化物歧化酶、过氧化氢酶和过氧化物酶的活性，降低超氧阴离子O2*−和丙二醛含量，从而降低质膜通透性。这表明镧可用于播种前对种子进行预处理。
