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南药巴戟天在大田生产上客观存在着不同类型形态上的差异,由于立地环境不一,耕作水平不同,很难得出之间准确的差异性,本试验于1983年把大田群体筛选的四种类型.和溪一号、和溪二号、南科、南亚(形态描述已在Ⅰ形态部分阐述过),以三个重复随机排列法,分别在低海拔的和溪茶果场(海拔300米)和中海拔的林中石龟山(海拔500米),各一亩地的两个试验点,进行不同海拔高程,不同类型巴戟天的生长发育、越冬越夏表现、藤蔓生长、萌芽率、自然发病率、个体性状、品质差异及最后产量高低等一系列的比较试验.
Morinda officinalis in the field of production objectively there are different types of morphological differences, due to different site environment, tillage levels are different, it is difficult to come to the exact difference between the test in the field in 1984 to screen the four groups Hexi No.1, Nankei and South Asia (the morphological description has been described in Section Ⅰ), three repeated randomization methods were used in the low-altitude Hexi Tea Field (300 M) and middle of the stone forest in the forest (500 meters above sea level), each of the two plots of land, for different elevation, different types of Morinda officinalis growth and development, overwintering summer performance, vine growth, germination rate , Natural incidence, individual traits, quality differences and the final yield level and a series of comparative tests.