1979年在大台东队对四年生国光幼树用500ppm 乙烯利加2000ppmB_9进行处理,自6月10日起,亦即在新梢旺盛生长期间内,每隔10天叶面喷布一次(共三次),当年秋季即形成了大量花芽,第二年结果株率为53.8％,平均每株结果23.2个。1982年6月,又在红光生产队对3076株4年生国光幼树,用250ppm 乙烯利加2000ppmB_9进行促进结果试 In 1979, the Taitung team treated four-year-old Guoguang saplings with 500ppm ethephon and 2000ppm B-9. Since June 10, that is, during the vigorous growth of the shoots, foliar spraying was carried out once every 10 days ). In the fall of that year, a large number of flower buds were formed. The second year’s result rate was 53.8%, with an average of 23.2 plants per plant. In 1982 June, again in the red production team 3076 4-year Guoguang saplings, with 250ppm ethephon 2000ppmB_9 to promote the results of the test