The research suggests that to grow, they have to be able to export the hormone into the mainstandstem.
这项研究表明为了生长，他们就必须会让荷尔蒙流向主茎杆。The sunflower had not started where I saw the stalk begin.
向日葵并不是从我发现茎杆的地方开始生长的。So fast did his new varieties spread that by the 1970s, stem rust seemed to have been wiped out.
他发明的新品种的传播应用是如此迅速以至于到20世纪70年代，茎杆锈病似乎已经被完全消除了。Stalks of threshed grain, used as bedding and food for animals, for thatching , and for weaving or braiding, as into baskets.
脱谷的谷物的茎杆，可用作床垫，动物的饲料，盖房顶以及编织或编带；如编成蓝子。The output rate of the vegetative organs showed: the root was highest, the leaves was second, the stem was minimum.
各营养器官输出率以根最高，其次为叶片，茎杆的输出率最小。The results indicated that the extracts inhibited the growth of the larvae of diamondback moth distinctly.
结果表明，沙冬青茎杆甲醇提取物对小菜蛾幼虫生长发育具有明显的抑制作用。Penetration of the stems and feeding of larvae are impaired by the structural characteristics of the plant.
植物借助结构特点来阻碍幼虫钻入茎杆和取食。Reeds and stalks alike are usually cut by disc cutters, followed by a dust chamber and water jet cleaners.
芦苇也用与茎杆相似的圆盘切割机切割，然后经过集尘室和喷水清洗器除尘。Thorn A stiff sharply pointed woody process that may be found on the stems of vascular plants.
维管植物茎杆上可见的一种坚硬的具锋利尖端的木质结构。