Plant Regeneration through Callus Cultures from Leaf Explant of Sumatra Benzoin (Styrax benzoin)

Table 3

Development of callus of Styrax benzoin Dryander after seven weeks of culture (treatments are specified in Table 2).

Treatments	Callus development and growth on various types of explants
	Young leaves	Shoot tips	Embryo	Leaves
A0B0
A0B1	+	+	+
A0B2	++	+	++
A0B3	+++	++	++
A1B0	+	+	+
A1B1	++	+	+
A1B2	+++	++	+++
A1B3	++	+	+
A2B0	+	+	+
A2B1	++	+	+
A2B2	+	+	+
A2B3	++	+	+
A3B0	+++	++	+++
A3B1	+	+	+
A3B2	++	+	++
A3B3	+++	++	+++

The explant enlarge without callus, ⁺low callus growth, ⁺⁺medium callus growth, ⁺⁺⁺high callus growth, and contamination.