VOLUME 31 NO. 1 JANUARY – JUNE 2009


CONTENTS

Food security implications of biofuel production

Teodoro C. Mendoza

Carbohydrate status of sucrose-fed broccoli head during storage and the activity and gene expression of sucrose synthase

Dewoowoogen P. Baclayon and Toshiyuki Matsui

Allelochemicals from the leaves of Tamarindus indica L.

Suparna Mandal Biswas, Nasrin Begam, Sunanda Chanda and Lalit Kumar

Antimicrobial property of chitosan and induction of systemic acquired resistance for the control of rice bacterial blight caused by Xanthomonas oryzae pv. oryzae (Swings et al.)

Ivy M. Modina, Candelario L. Calibo and Lucia M. Borines

Nutrient characteristics of aggregates and rhizosphere of a degraded upland soil: Implication for soil fertility evaluation

Ian A. Navarrete, Salfe O. Macalde, and Victor B. Asio

Morphological characterization of selected papaya (Carica papaya L.) inbreds and hybrids

Florence Lasalita-Zapico and Violeta N. Villegas