4Michell J W, Gre LE. Enhancement of overall growth, a new response to brassins. Nature, 1972, 239 : 254
5Clouse SD, Hall AF, Langford M et al. Physiological andmolecular effects of brassinosteroids on Arabidopsis thaliana. J Plant Growth Regul, 1993, 12, 12 : 61 -66
6Mayumi K, Shibaoka H. A possible double role for brassinolidein the reorientation of cortical microtubules in the epidermalcells of Azuki Bean epicotyls. Plant Cell Physiol, 1995, 361,36 (1) : 173 - 181
7Blarney F. P. C. , Joyce D. C. , Edwards D. G. , et al. Role of trichomes in sunflower tolerance to manganese toxicityRole of triehomes in sunflower tolerance to manganese toxicity Plant and SoilHelianthus ann, 1986,91, (2) :171-180
8Hotta Y. , Tanaka T. , Takaoka H. , Takeuehi Y. , et ali. Promotive effects of 5 - aminolevulinic acid on the yield of several crops Plant Growth Regulation, 1997,22, (2) :109 -114
