“平丹1号”余甘开花及坐果特性调查

An investigation of Pingdan No.1 Phyllanthus emblica flowering and fruit setting features

"平丹1号"余甘花期主要集中在春秋两季。其中春季花期花量大,花期长,为主要开花时期,秋季花期花而不实;春季花期大量生理落果发生在花后40d之后,主要是由营养竞争而引起。

Pingdan No. 1 Phyllanthus emblica flowering period is mainly in spring and autumn. In spring flowering period, the blossom amounts are big and lasting day are long so that it is the major flowering period. In autumn flowering period, the fruit setting amounts are small. In spring flowering period, huge amounts of physiological fruit-drop occur in 40 clays after flowering, which is mainly arisen by nutrient competition.