Submitted on: 02 August 1999.
Revised on: 28 August 1999.
Accepted on: 14 September 1999.
Philippine Journal of Crop Science
Submitted on: 23 July 2005.
Revised on: 08 August 2005.
Accepted on: 05 September 2005.
Philippine Journal of Crop Science
Submitted on: 01 May 2012.
Revised on: 06 June 2012.
Accepted on: 18 June 2012.
Philippine Journal of Crop Science
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Submitted on: 12 April 2012.
Revised on: 08 May 2012.
Accepted on: 15 May 2012.
Philippine Journal of Crop Science
Submitted on: 26 August 2010.
Revised on: 29 September 2010.
Accepted on: 12 October 2010.
Philippine Journal of Crop Science
Submitted on: 06 February 2005.
Revised on: 04 March 2005.
Accepted on: 25 March 2005.
Philippine Journal of Crop Science
Submitted on: 17 August 2010.
Revised on: 12 September 2010.
Accepted on: 07 October 2010.
Philippine Journal of Crop Science
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