effects of promoting high growth, enhancing apical dominance, and delaying senescence ( Yan et al., 2010 ). Studies of the seasonal dynamic change of GA content in plants such as Actinidia arguta ( Yuan et al., 2020 ) and Lilium longiflorum ( Sivaci
. Yousaf, S. Pastar, M. Afzal, M. Sessitsch, A. 2014 The endophyte Enterobacter sp. FD17: A maize growth enhancer selected based on rigorous testing of plant beneficial traits and colonization characteristics Biol. Fertil. Soils 50 249 262 Penrose, D
., 2008 ). Compost can improve soil microorganism and colonization of root by arbuscular mycorrhizal fungi ( Montalba et al., 2010 ; Suárez-Estrella et al., 2007 ). Growth enhancement by compost amendment might also attribute to its humic substances
aphanidermatum by Sphingobium sp. ( B ) Microscopic view (10×) of wet appearing P. irregulare hyphae caused by the attachment of Pseudomonas sp. ( C ) P. cryptoirregulare growth enhancing effect by Cupriavidus sp. in NA media. Table 1. Identity and
growth-enhancing effect that was not quantifiable with the parameters measured. Perhaps general stress suppression was responsible for improvements in early plant growth and early fruit yield. Colonization rates in a study with watermelon and G. clarum
properties Seed Sci. Res. 10 329 339 Darlington, A. Vishnevetskaia, K. Blake, T.J. 1996 Growth enhancement and anti-transpirant activity following seed treatment with a derivative of 5-hydroxybenzimidazole
showing any symptom of Al toxicity. For example, buckwheat leaves can accumulate as much as 10 g·kg −1 Al in the leaves in 12 weeks ( Shen et al., 2006 ). Al (0.5 m m )-induced improvements of the root activity contributed to a growth enhancement in
noninoculated, nongrafted controls in the 2016 experiment ( Table 3 ). Considering that the plant growth and root measurements were only conducted at the flowering stage in the greenhouse experiments, it is likely that the advantage of growth enhancement in
pine bark. However, these observations were quantified with root dry weights or subjective ratings, so the extent of the apparent root growth enhancement remains to be accurately quantified and explained. Further investigations of plant root growth in
growth, enhanced synthesis of secondary metabolites ( Wu et al., 2001 ; Zhang et al., 2013 ), and provided tolerance against fungal diseases ( Liu et al., 2008 ). Previous studies have also found that the addition of biotic elicitors and heavy metal