VOLUME 10 NO. 2 APRIL – JUNE 1988


CONTENTS

Host Influences on Epidemic Development of Peanut Leaf Spot Caused by Cercosporidium personatum (Berk. And Curt) Deighton

Rodolfo A. Paningbatan

Phenolics Involvement in Sweet Potato Resistance to Meloidogyne incognita and M. javanica

Ruben M. Gapasin, Rodrigo B. Valdez and Evelyn Mae T. Mendoza

Genetic Variation in a Wide Gene Base Population of Sweet Potato [Ipomoea batatas (L) Lam ]

Algerico M. Mariscal and Azucena L. Carpena

Effect of Azolla as Source of Nitrogen on the Growth and Yield of Pechay (Brassica napus L. var. chinensis)

Zenaida M. Cuevas, Rebecco M. Santiago and Elizabeth D. Briones

Designing a Participatory Media-Assisted Learning System for Small Lowland Rice Farmers

Monina M. Escalada

Social and Economic Factor Associated with Farm Level Technology in Carabao Raising

Alicia S. Agarcio, Nerelito P. Pascual, Edgardo A. PaƱares and Leonora M. Densing

Note: A Comparison of the Pressure Chamber Apparatus and Shardakov Method in Determining Leaf Water Potential of Cassava and Soybean

Valerio C. Tanguilig

Note: Effect of Sett Size on the Growth, Development and Yield of Taro

Selvano S. Dalion, Jose R. Pardales, Jr. and Mario E. Baliad