Jackson M B, Osborne D J
Department of Agricultural Science, University of Oxford.
Nature. 1970 Mar 14;225(5237):1019-22. doi: 10.1038/2251019a0.
Natural leaf fall is triggered by increased ethylene production in senescing cells close to abscission zones.
自然落叶是由离层区附近衰老细胞中乙烯产量增加引发的。