黑龙江省西部地区安达市大豆生育期归属

Classification on Maturity Guoups of Soybean in Anda the West of Heilongjiang

自然条件下,为了提高黑龙江省西部安达市大豆的应用效率,利用2年时间,以16个北美大豆生育期组(maturity group,MG)标准品种为参照,对本区域推广的主栽大豆品种和区域对照品种共11份进行生育期组划分。结果表明:安达地区只能对Ⅰ组的生育期组进行有效判别,参试的所有品种均在生育期组Ⅰ组的范围内,适宜安达地区的种植和推广。此外,部分生育期标准品种的生育期组发生改变,这可能是与其不同光敏性有关。

It is important topic to reasonably classify these varieties into different groups so as to increase their use efficiency in Anda city of Heilongjiang province. In the two year experiment, compared with Maturity group standard varieties of North America,the growth periods of 11 varieties were studied in this region. The results showed that effective discriminant were identified for soybean maturity group I （MG I ）. All varieties were belonged into soybean maturity group I （MG I ） and suitable for cultivation and promotion. The growth peri ods of the some maturity group standard varieties appeared abnormal phenomenon. This may be related to its different photosensitivity.