Philippine transgenic insect-resistant corn increases yield 37%

Recently, Jose M. Yorobe Jr., assistant professor at the University of Los Baqos in the Philippines, disclosed that 10,000 hectares of transgenic insect-resistant maize were grown on a commercial basis at the "Economic Impact of Transgenic Insect-Resistant Maize" and the 45th Philippine Land and Science Conference. In recent years, the yield per unit area has increased by 37%, which means that it can increase the income by 10,132 pesos per hectare (100 pesos, approximately RMB 14.7), while reducing the insecticide expenditure by 60%. Although the price of transgenic insect-resistant maize seeds is twice that of common hybrid corn, the production of pest-resistant corn per kilogram can increase gross income by 1.34 pesos. Yorobe made the above remarks in a report made by the International Center for the Application of Agricultural Biotechnology (ISAAA). (Note: ISAAA is a non-profit organization formed jointly by the United States, the Philippines, and Kenya to work on the impact of GM maize.) Yorobe emphasized that although the time and area for planting insect-resistant maize in the Philippines is still limited, it is in agriculture. The financial sector has had a very good performance, even more so than it has played in the developed countries. The ISAAA report interviewed 107 insect-resistant corn growers and 362 non-insect-resistant corn growers, covering the dry and wet seasons of the 2003 and 2004 crops and the four major pest-resistant corn-producing provinces. The use of pesticides reduced the damage caused by the Asian corn borer up to 30% before the planting of the transgenic insect resistant corn, and the loss was as low as 4.3%. Farmers use a large number of pesticides that have been proven to be harmful to human health and the environment while increasing the cost. After planting insect-resistant corn, Yorobe said that the farmers can reduce the pesticide expenditure per hectare by 168 pesos, and the number of pesticide applications is also reduced. Output improvement Yorobe said: “The main reason for planting insect-resistant corn is to consider its high yield. Farmers regardless of risk try new varieties in order to reduce pests and increase output.” He emphasized that other countries’ experiences have demonstrated the ratio of insect-resistant corn. General varieties can bring higher output. By comparison, it was confirmed that insect-resistant maize has a "very obvious advantage". According to Yorobe, in all places, the farmers planting insect-resistant corn had increased their yield by 34.32% compared with that of growing common corn, and the output of two counties increased by 37%. The average yield of transgenic insect-resistant corn was 4,850 kg/ha, and the average yield of non-resistant corn was only 3,610 kg/ha. The report cited by Yorobe stated that the comprehensive economic benefits of transgenic pest-resistant corn is 25% higher than that of normal corn. Farmers planting genetically modified corn increased their income by 14849 pesos (including pesticide savings) per hectare. Although seed expenditures doubled, the benefits doubled. The non-financial seed company achieved gross profit of 44.48 million peso a year, including technical expenditures.

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