Edited by:

Y.W. Ho
Institute of Bioscience
Universiti Putra Malaysia
43400 UPM Serdang
Selangor Darul Ehsan
Malaysia.

Y.K. Chan
Horticulture Research Centre
Malaysian Agriculture Research
and Development Institute (MARDI)
P.O.Box 12301
50774 Kuala Lumpur
Malaysia.