Skip to main content

Table 1 Major developmental events occurring in developing capsules of A. roxburghii after fertilization

From: Embryology of Anoectochilus roxburghii: seed and embryo development

DAP

Developmental stage

Capsule size (mm)

Capsule color

Seed size (µm)

Seed color

X-axis

Y-axis

X-axis

Y-axis

0

Megaspore mother cell

2.36 ± 0.02

12.71 ± 0.03

Dark reddish green

59.4 ± 7.4

163.9 ± 10.2

White

5

Mature embryo sac

2.91 ± 0.05

13.54 ± 0.02

Light reddish green

62.6 ± 6.9

268.6 ± 12.1

White

10

Fertilization and zygote

3.69 ± 0.06

13.43 ± 0.08

Light reddish green

74.2 ± 10.7

583.3 ± 9.4

White

15

Proembryo

3.81 ± 0.08

13.62 ± 0.09

Light reddish brown

85.3 ± 7.4

1085.7 ± 16.5

White

20

Early globular to globular embryo

3.94 ± 0.11

13.81 ± 0.07

Light reddish brown

89.5 ± 14.1

1732.2 ± 22.9

Yellowish white

30

Late globular embryo, and the suspensor starts to degenerate

4.12 ± 0.12

13.75 ± 0.11

Reddish brown

89.9 ± 12.5

2015.1 ± 29.2

A mixture of yellowish white and light brown seeds

40

Mature seed

3.92 ± 0.06

13.48 ± 0.08

Reddish brown

87.1 ± 14.1

2064.5 ± 35.2

Light brown

  1. DAP, days after pollination