Difference of them prove flow intensity ofspikeneck not only relate to roots vigor, may have close ties with the leaf, stem sheath and activity of capacity of reservoir.
它们之间的差异说明穗颈节间的伤流强度不但与根系活力有关，可能与叶片、茎鞘及库容活性也有密切联系。
2
Results indicate: the bleeding quantity of base department and the spikeneck has prominent difference, but their variation tendency in different periods is about the same.