Endophytes Crop Productivity and Protection Volume 2 (Sustainable Development and Biodiversity)

growth-promoting (PGP) properties (see Table6.1). Most studies about bacterial

endophytes have been reported in tree species belonging to generaPinus,Picea,

andPopulus.

Table 6.1 (continued)

Host plant Bacterial

endophytes

Benefits to host References

Lodgepole pine

(Pinus contortavar.

latifolia(Dougl.)

Engelm.) and

western red cedar

(Thuja plicataDonn

ex D. Don)

Paenibacillus

polymyxaP2b-2R

Nitrogenfixation,

growth promotion

(biomass and length)

Bal and Chanway

(2012a,b), Bal et al.

( 2012 ), Anand and

Chanway (2013a,

b), Anand et al.

( 2013 ), Tang et al.

( 2017 ), Yang et al.

( 2016 )

Norway spruce

(Picea abies) seeds

Pseudomonas

spp. andRahnella

spp.

• Cankar et al. ( 2005 )

Poplar (Populus

deltoidesxP. nigra

DN-34)

Enterobacter

sp. strain 638

Synthesizes plant

growth-promoting

compound acetoin,

increases seedling

biomass

Taghavi et al. ( 2005 ,

2009 )

Poplar (Populus

deltoidesx

(trichocarpax

deltoides))

Pseudomonas

putidaW619

Improves plant

health and growth,

decreases activities

of anti-oxidative

defense-related

enzymes, reduces

stomatal resistance,

and degrades TCE

Taghavi et al. ( 2005 ,

2009 ), Weyens et al.

( 2009 , 2010 , 2012 )

Poplar (Populus

trichocarpax

deltoides cv.

Hoogvorst)

Pseudomonas

sp. PopHV4,

PopHV6 and

PopHV9

• Germaine et al.
  ( 2004 )

Poplar (Populus

trichocarpax

P. deltoides hybrids)

Rhizobium tropici

CIAT899

• Doty et al. ( 2005 )

Scots pine (Pinus

sylvestris L.)

Methylobacterium

extorquens

DSM13060

Increases root and

shoot dry weight,

increases root and

shoot potassium

content

Pirttiläet al. ( 2000 ),

Pohjanen et al.

( 2014 )

6 Beneficial Effects of Bacterial Endophytes... 115