This large size may represent the initial size of the fiber before secondary-wall deposition or fiber desiccation upon boll opening.
这个大小可以代表第二层壳沉积或棉桃开裂干涸前棉纤维本来的大小。
2
The aphid size at the cotton seedling, budding and boll setting stages was not significantly different in Nanjing, 1999. But in the boll opening stage the aphid size became smaller.