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一近十年来,我省南部的思茅、红河、临沧、玉溪等地气候较热的部份县份,以及中部温凉地区的嵩明县,先后发生大面积的“稻叶发黄”,造成严重灾害。稻叶发黄后,轻者减产二、三成,重者颗粒无收。尤以晚稻受害为重。 1961年,景谷县海拔1,200米以下坝区和河谷区的中稻、一季晚稻及双季晚稻,有20,000多亩发生“稻叶发黄”,造成很大损失。1962年,景洪县的普文坝发生“稻叶发黄”8,000多亩,占这个坝子稻田面积的45.7％;1963年仍有7,000亩受害;1965年在农场以外的农业社有8,000亩复发此病。1967年,景洪坝约有14,000亩受害。1969年景谷
In the past ten years, some counties with hot climates such as Simao, Honghe, Lincang and Yuxi in the southern part of the province, and Songming County in the warm and temperate area in the central part of the country have successively witnessed the “yellowing of rice leaves” Serious disaster. After the yellow leaves of rice, the light reduction of two or three percent, heavy particles without income. Especially late rice victims as the most important. In 1961, there were more than 20,000 mu of “paddy yellowing” in middle-season paddy areas and valley areas under the altitude of 1,200 meters in Jinggu County and late-season rice in the first season and late-season in the double season, causing great losses. In 1962, 8,000 mu of “paddy yellow leaves” occurred in Pulau Dam in Jinghong County, accounting for 45.7% of the area of the paddy rice paddy field. In 1963, there were still 7,000 mu of land invaded. In 1965, 8,000 mu of recurrent agricultural farms outside the farm This disease. In 1967, about 14,000 acres of Jinghong dam victims. 1969 King Valley