9Jirvis P, Chen L J, Li H M, et al. An Arabidopsis mutant defective in the plastid general protein import apparatus[J]. Science, 1998, 282: 100-103.
10Zlmo Y, Wang M L, Zhang Y Z, et al. A chlorophyll-reduced seedling mutant in oilseed rape, Brassica napus, for utilization F1 hybrid production[J]. Plant Breeding, 2000, 119: 131-135.