Management of the Eggplant Fruit and Shoot Borer, Leucinodes orbonalis (Guenee): Evaluation of Farmers’ Indigenous Practices

Eggplant farmers in the Philippines spray insecticides up to 58 times during the crop period. Insecticide spray is mostly directed to the fruit and shoot borer. […]

• Start Date: 1999
• End Date: 2004
• Project Code: Not Available
• Lead University: Penn State University

• Region: Asia
• Topic: Productivity

Combined Resistance of Eggplant (Solanum melongena L.) to Leafhopper (Amrasca biguttula Ishida) and the Eggplant Borer (Leucinodes orbonalis Guenee)

This project sought to address IPM constraints including lack of available sources of resistance to the cotton leafhopper and few eggplant germplasm sources resistant to the […]

• Start Date: 1999
• End Date: 2004
• Project Code: Not Available
• Lead University: Penn State University

• Region: Asia
• Topic: Food Security

Management of Spodoptera litura (F.) and S. exigua (Hubner) in Onion Mass Trapping and Timing of Interventions in Farmers’ Fields

This project focused on evaluating the effect of mass trapping of male S. Litura and S.exigua moths with sex pheromone trap catches and the effects on […]

• Start Date: 1999
• End Date: 2004
• Project Code: Not Available
• Lead University: Penn State University

• Region: Asia
• Topic: Food Security

Effect of Defoliation at Different Crop Ages on Yield of Onion

Researchers conducted a study to determine the effect of totally cutting off different numbers of leaves at different crop ages on bulb size and weight of […]

• Start Date: 1999
• End Date: 2004
• Project Code: Not Available
• Lead University: Penn State University

• Region: Asia
• Topic: Productivity

Recta, Jean

• Start Date: 1996
• End Date: 2002
• University: Penn State University
• Degree: PhD

• Region: Asia
• Topic: Food Security

The Effectiveness of Trap Plants and Pheromone Traps for Spodoptera litura and Leucinodes orbonalis Management

The use of castor as trap plants for Spodoptera litura feeding on onions continued to be assessed during the onion-growing season. While castor plants effectively attracted […]

• Start Date: 1993
• End Date: 1998
• Project Code: Not Available
• Lead University: Penn State University

• Region: Asia
• Topic: Food Security

Potential of Nuclear Polyhedrosis Virus (NPV) and Bacillus thuringiensis (Bt) for Spodoptera Control in Yellow Granex Onions (Microbial Control of Spodoptera in Onions)

Field trials in Bongabon, Nueva Ecija have shown that NPV, Bt, and NPV+Bt are more effective against Spodoptera larvae, than Karate insecticide application. Larval counts were […]

• Start Date: 1993
• End Date: 1998
• Project Code: Not Available
• Lead University: Penn State University

• Region: Asia
• Topic: Food Security

Effectiveness of Selected Larval Parasitoids against Spodoptera litura, Maruca testulalis, and Leucinodes orbonalis

The field level of parasitism of Leucinodes orbonalis by the ichneumonid parasitoid, Trathala flavoorbitalis was monitored to gain insights into the parasitoid’s performance in the farmer’s […]

• Start Date: 1993
• End Date: 1998
• Project Code: Not Available
• Lead University: Penn State University

• Region: Asia
• Topic: Food Security

Movement of Arthropod Predators

The aim of the project is to quantify movements of predators between habitats in rice-onion cropping systems. Our hypothesis is that generalist predators can be found […]

• Start Date: 1993
• End Date: 1998
• Project Code: Not Available
• Lead University: Penn State University

• Region: Asia
• Topic: Food Security

Field Evaluation of Damaged Fruit Removal as an Alternative to Insecticide Sprays for Control of Eggplant Shoot and Fruit Borer, Leucinodes orbonalis

In efforts to reduce labor costs attributed to the weekly removal of damages shoots and fruits of eggplant to minimize damage by and populations of Leucinodes […]

• Start Date: 1993
• End Date: 1998
• Project Code: Not Available
• Lead University: Penn State University

• Region: Asia
• Topic: Food Security