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1菊芋的特征特性及青海省种植菊芋的优势菊芋,俗称洋姜,菊科,向日葵属,多年生具块茎的草本植物,是新型的经济作物。茎直立,上部多分支,基生叶对生或轮生,上部叶片呈螺旋状排列,卵形、长圆状卵形或卵状圆形,边缘有锯齿,叶面粗糙,叶背有毛,叶柄上部具狭翅。株高2—3米,头状花序,生于枝端,秋天开花,舌状花淡黄色,管状花黄色。块茎多为不规则的瘤状或纺锤形等,皮黄白或淡紫红色,肉质皆白色。一般公顷产块茎133.33公斤以上,可在地下休眠越冬,可耐-20—30℃低温。
1 Jerusalem artichoke characteristics and the advantages of planting Jerusalem artichoke advantages Jerusalem artichoke, commonly known as foreign ginger, Compositae, sunflower, perennial tuberous herbs, is a new type of cash crop. Stem erect, much branched, basal leaves alternate or whorled, upper leaves spirally arranged, ovate, oblong-ovate or ovate-lanceolate, margin serrate, leaf rough, leaf blade hairy, petiole Upper wing with narrow wings. Height of 2-3 meters, head-shaped, was born in the branches, flowering in autumn, pale yellow tongue flowers, tubular flowers yellow. Tuber mostly irregular tumor or spindle-shaped, yellowish-white or light purple, succulent are white. General hectare production of more than 133.33 kilograms of tubers, winter dormancy in the ground can withstand -20-30 ℃ low temperature.