Submitted on: 13 September 2001.
Revised on: 17 November 2001.
Accepted on: 15 December 2001.
___________________Journal of Plant Registrations
http://reply.papertrans.cn/2/189/18817/18817-32.png
http://reply.papertrans.cn/2/189/18817/18817-33.png
http://reply.papertrans.cn/2/189/18817/18817-34.png
http://reply.papertrans.cn/2/189/18817/18817-35.png
http://reply.papertrans.cn/2/189/18817/18817-36.png