Nghiên cứu khả năng hấp thụ, tích lũy chì (Pb) và sự biểu hiện gen liên quan đến tính chịu chì (Pb) của cây Phát tài (Dracaena sanderiana)

... the antioxidant genes GST, Cyt-Cu/Zn SOD and GPX with sizes of 362, 221 and 202 bp, respectively, were identified in D sanderiana The expression levels of antioxidant genes GST, Cyt-Cu/Zn SOD and... (approximately 97.5%), and only a small fraction was translocated to aerial plant parts Pb content in D sanderiana plants decreased in the order of roots > stems > leaves D sanderiana can be considered as... higher than the tolerance limit of the plant (1000, 2000, 3000 and 4000 ppm), the growth of D sanderiana could be inhibited Plant height, root length, fresh and dry biomass, chlorophyll content and