J Integr Plant Biol ›› 2017, Vol. 59 ›› Issue (9): 600-603.DOI: 10.1111/jipb.12577
Sheng Zhong1, Jun Zhang1 and Li-Jia Qu1,2*
Sheng Zhong1, Jun Zhang1 and Li-Jia Qu1,2*
摘要: Seed size is an important trait of higher plants, especially of crops that are food resources for humans. Ovule enlargement is the start of seed size expansion. We find that the signal to trigger ovule enlargement comes from the pollen tube, not from the sperm cells, or from fertilization.