id	keyword
biotropia-69	micrografting
biotropia-69	scion
biotropia-69	union
biotropia-69	vitro
biotropia-69	protein
biotropia-69	callus
biotropia-69	area
biotropia-69	tissues
biotropia-69	et al
biotropia-69	rootstocks
biotropia-69	plant
biotropia-69	cells
biotropia-69	malaccensis
biotropia-69	growth
biotropia-69	agarwood
biotropia-69	toruan