Table 2. The ratios of species-specific probes.

Dendrobrium sp.	Subtracted clones screened	Tester	Driver	Species-specific probes	Ratio of species-specific probes (%)
D.aurantiacum Kerr	41	D.aurantiacum Kerr	D.nobile Lindl	6	14.6
D.officinale Kimura et Migo	43	D.officinale Kimura et Migo	D.aurantiacum Kerr	5	11.6
D.nobile Lindl.	31	D.nobile Lindl.	D.aurantiacum Kerr	3	9.7
D.chrysotoxum Lindl.	62	D.chrysotoxum Lindl	D.fimbriatum Hook.	8	12.9
D.fimbriatum Hook.	25	D.fimbriatum Hook.	D.officinale Kimura et Migo	3	12.0