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Table 1 Major microscopic structural events occurring in the developing pods of Vanilla planifolia after hand pollination

From: Asymbiotic germination of Vanilla planifolia in relation to the timing of seed collection and seed pretreatments

DAP

Developmental stage

Seed color

30

Fertilization and the formation of zygote

White

45

Proembryo

A mixture of white and brown seeds

60

Proembryo and the developing of early globular embryo

Most seeds turned black

75

Early globular embryo

Black

90

Globular embryo

Black

105

Late globular embryo

Black

300

Pod ripe and splita

Black

  1. aFrom 105 to 300 DAP, the seed structure did not change, but the pod gradually became ripe and turned yellow by 240 DAP
  2. DAP  days after pollination