Effect of gamma irradiation dosage on green bean growth and yield

Department of Crop Production, Faculty of Agriculture, University of Bengkulu, WR. Supratman street, Kandang Limun, Kota Bengkulu 38371, Indonesia

^* Corresponding author: nsetyowati@unib.ac.id

Abstract

Gamma radiation is a particular approach for increasing green bean (Vigna radiata L.) growth and yield. Gamma radiation at the appropriate dose enhances plant growth and yield. The research attempts to determine the proper dose of gamma radiation on the growth and yield of green beans. The research was carried out at Talang Kering, Muara Bangkahulu, Bengkulu, Indonesia. The design employed was a Complete Randomized Block Design (RCBD) with two factors. The first factor was the green bean variety, consisting of Vima-1 and Vima-4. The second factor was the radiation dose, which was 0, 50, 100, 200, 400, or 800 Gy. The data were analyzed using the F-test with a 5% significant level and further tested using the Duncan Multiple Range Test (DMRT) at a 5% level. The study's findings revealed that gamma irradiation of up to 800 Gy on green bean seeds resulted in higher plant height, number of pods, number of seeds/plants, and seed weight/plant. The Vima-1 variety of green beans produced a higher weight of 100 seeds when irradiated with gamma rays at 100 Gy, while the Vima-4 variety at a dose of 200 Gy. These findings provide valuable insights for optimizing green bean cultivation practices.