However, the growth promotion activity of INR7 and SE52 in our tests agree with previous reports of enhanced germination rate of loblolly and slash pine by both PGPR strains (Enebak et al., 1998), increased weight of slash pine shoots by INR7 (Enebak et al., 1998), and increases incucumber main runner length and number of leaves by INR7(Wei et al., 1996)