论文部分内容阅读
此项研究通过比较参薯(Dioscorea ala-ta L.又名大薯)、薯蓣(Dioscorea oppasitaThunb.)和日本薯蓣(Dioscorea janonicaThunb.)的生长特征,分析了三者及其品系的生态特性。结果发现,在日本鹿儿岛,参薯和日本薯蓣的生长期比薯蓣的长。 参薯早熟类型的块茎在8月份开始增大,12月初成熟。然而与早熟类型相比,中熟或迟熟类型的块室开始增大得迟一些,且不断大,直到收获。源自日本南九州的极早熟类型的块茎,无论开始增大还是成熟都早于早熟类型的。这样一来,通过引进和选择
In this study, the ecological characteristics of the three cultivars and their lines were analyzed by comparing their growth characteristics with those of Dioscorea ala ta ta, Dioscorea oppasita Dunb. And Dioscorea janonica Dunburn. The results showed that in Japan, Kagoshima, sweet potatoes and Japanese yam than the growing length of yam. Early tuberous tubers begin to grow in August and mature in early December. However, compared with the precocious types, the maturing or maturing types of panicles begin to grow later and grow larger until harvest. Very early-matured tubers from South Kyushu, Japan, were older and earlier than early-maturing varieties, either beginning to grow or matured. As a result, through the introduction and choice