Figure 5. Effect of male age on percent egg viability of Propylea dissecta. 10 day-old males (green; Y = 52.2 + 1.31 x - 0.25 x2; r2 = 0.72; P < 0.001). 20 day-old males (blue; Y = 61.5 + 1.3 x - 0.027 x2; r2 0.65; P < 0.001). 30 day-old males (pink; Y = 65.1 + 1.57 x - 0.367 x2; r2 = 0.64; P < 0.001). Best fit lines.