Differential Responses of Soybean Foliage to Simulated Acid Rain

Abstract

The primary objectives were to determine the acidic rain stress cause alternation in the soybean foliar injury responses. potted soybean (Glycine max.L. cv. ”Tainurig 15” and ”Kaohsiung select 10”) were exposed to two 1 mm simulated rain episodes per week at specific acidities from pH 2.0, 3.0, 4.0 and 5.6 treatments. Each treatment was exposed to 0.5hr spraying in the morning between 8:00 and 9:00 on consecutive days for 5 weeks after anthesis (R2) stage. 本試驗目的主要是探討酸雨對大豆葉片傷害。塑膠溫室內以盆缽方式種植大豆，於開花期後(R3)開始噴施不同酸度（pH2..0,3.0,4.0和5.6）的雨水，每週噴施1公厘雨量2次，連續5週。