Determination of Suitable Microspore Stage and Callus Induction from Anthers of Kenaf (Hibiscus cannabinus L.)

Table 1

Relation between flower bud length, anther size, and stigma color.

Bud length (mm)	Diameter of anther bunch (mm)	Anther length (mm)	Anther color	Stigma color
<6	<2.0	<0.4	White	Yellow
7.0±1	3.7±0.1	0.6±0.2	White	Pink
10.0±2	4.4±0.6	0.9±0.1	Yellow	Red
14.0±2	5.2±0.2	1.1±0.1	Brown	Red
18±2	>5.4	1.4±0.2	Carmine	Red