省稻螟电子计算机测报协作组于四月下旬对赣北、赣中、赣南部份有代表性稻区二、三化螟发生期和发生量作出中长期预报(表1、2)。根据预报,上述稻区今年二化螟发生期为中发或中发偏晚;发生量属中发年份。三化螟发生期,赣中北稻区属中发偏晚,发生量属轻发年份;赣南稻区,发生期属中发,发生量为轻发或中发偏轻。根据预报预测。各地对二化 In late April, the collaborating group of rice-stem borers and their computers reported long-term and medium-term forecasts on the occurrence and occurrence of the second and third rice borers in representative rice areas in northern Jiangxi, central Jiangxi and southern Jiangxi (Table 1 and Table 2). According to the forecast, the occurrence of the above rice stem borers in this year is either middle or late; the occurrence is in the middle of the year. Occurrence of stem borer, Jiangxi Province in the northern part of the rice is late, the amount of light-fat years; southern Jiangxi Province, the occurrence period is in the hair, the occurrence of light hair or hair too light. According to forecast forecast. Around the two