+ Site Statistics
+ Search Articles
+ PDF Full Text Service
How our service works
Request PDF Full Text
+ Follow Us
Follow on Facebook
Follow on Twitter
Follow on LinkedIn
+ Subscribe to Site Feeds
Most Shared
PDF Full Text
+ Translate
+ Recently Requested

Effect of neutral and pathogenic fungi on mycorrhizal and non-mycorrhizal Picea roots: Transpiration and accumulation of the stress metabolite aminocyclopropane carboxylic acid

Effect of neutral and pathogenic fungi on mycorrhizal and non-mycorrhizal Picea roots: Transpiration and accumulation of the stress metabolite aminocyclopropane carboxylic acid

Journal of Plant Physiology 140(5): 605-610

Ectomycorrhiza of Picea abies seedling with Pisolithus tinctorius were synthesized rapidly in a Petri dish culture system under axenic conditions. Mycorrhizal and non-mycorrhizal seedlings of P. abies were infected with either Trichoderma harzianum, Fusarium oxysporum or Sclerotium rolfsii, respectively. The transpiration rate was measured to compare the effect of the various fungi on the mycorrhizal and non-mycorrhizal plantlets. At first, the transpiration of mycorrhizal plantlets declined after inoculation with T. harzianum and F. oxysporum, but it increased again later and almost reached the value of the control. This recovery did not occur when non-myocorrhizal plantlets were inoculated with these fungi; the transpiration rate decreased in a few days to around half of the initial value and remained at this low level for the rest of the measuring period. After infection of non-mycorrhizal roots with S. rolfsii, the rate of transpiration dropped to zero in 5 days. It decreased similarly in mycorrhizal plantlets but remained at about 20% of the initial value for some days. In this case, both non-mycorrhizal and mycorrhizal plantlets died eventually. The stress metabolite aminocyclopropane carboxylic acid (ACC) was formed in the roots of mycorrhizal as well as non-mycorrhizal plantlets upon infection with the pathogenic fungi S. rolfsii and F. oxysporum, and also with the neutral fungus T. harzianum. Bare roots, which were brought into contact with the mutualistic fungus P. tinctorius, formed no ACC at all.

Please choose payment method:

(PDF emailed within 0-6 h: $19.90)

Accession: 008539823

Download citation: RISBibTeXText

DOI: 10.1016/s0176-1617(11)80796-0

Related references

Effect of several fungi pathogenic neutral on bare roots and mycorrhizal roots pisolithus tinctorius of picea abies seedlings transpiration of the plants and accumulation of the stress metabolite acc aminocyclopropane carboxylic acid. Physiologia Plantarum 79(2 Part 2): A99, 1990

Effects of arbuscular mycorrhizal fungi on tree growth, leaf water potential, and levels of 1-aminocyclopropane-1-carboxylic acid and ethylene in the roots of papaya under water-stress conditions. Mycorrhiza 10(3): 121-123, 2000

The influence of ectotrophic mycorrhizal fungi on the resistance of pine g roots to pathogenic infections 1 antagonism of mycorrhizal fungi to root pathogenic fungi and soil bacteria phytophthora cinnamomi laccaria laccata lactarius deliciocus leucopaxillus cerealis var piceina pisolithus tinctorius. Phytopathology: 153-163, 1969

The influence of ecothropic mycorrhizal fungi on the resistance of Pine roots to pathological infections. I. Antagonism of mycorrhizal fungi to root pathogenic fungi and soil bacteria. Phytopathology. 59: 2, 153-63, 1969

Effect of phytotoxic solutions on the respiration of mycorrhizal and non mycorrhizal spruce roots picea abies l karst. Annales des Sciences Forestieres 46(Suppl.): 731S-733S, 1989

Effect of ethylene on the growth of vesicular-arbuscular mycorrhizal fungi and on the mycorrhizal formation of trifoliate orange roots. Journal of the Japanese Society for Horticultural Science 65(3): 525-529, 1996

The effect of elevated atmospheric CO-2 on interactions between plant roots, arbuscular-mycorrhizal and pathogenic fungi. Bulletin of the Ecological Society of America 76(3 Suppl. ): 381, 1995

Effect of poplar genotypes on mycorrhizal infection and secreted enzyme activities in mycorrhizal and non-mycorrhizal roots. Journal of Experimental Botany 62(1): 249-260, 2011

Dynamics of lead accumulation in mycorrhizal and non-mycorrhizal Norway spruce (Picea abies (L.) Karst.). Plant and Soil 178(2): 239-245, 1996

Effects of liming on ectomycorrhizal fungi infecting pinus sylvestris l. i. mycorrhizal infection in limed humus in the laboratory and isolation of fungi from mycorrhizal roots. New Phytologist 115(4): 675-682, 1990

Determination of peroxidase activity in some fungi and in mycorrhizal and non mycorrhizal pinus sylvestris roots. Aquilo Ser Botanica 26: 25-30, 1989

Occurrence of trehalose in vesicular arbuscular mycorrhizal fungi and in mycorrhizal roots. Journal of Plant Physiology 140(1): 41-45, 1992

Introduction of arbuscular mycorrhizal fungi in coffee under field conditions: II. Seasonal variations in roots, colonization and associated arbuscular mycorrhizal fungi. Revista Brasileira de Ciencia do Solo 20(2): 225-232, 1996

Deep sequencing-based comparative transcriptional profiles of Cymbidium hybridum roots in response to mycorrhizal and non-mycorrhizal beneficial fungi. Bmc Genomics 15: 747, 2014

Arbuscular mycorrhizal fungi and mycorrhizal stimulant affect dry matter and nutrient accumulation in bean and soybean plants1. Pesquisa Agropecuária Tropical 46(4): 367-373, 2016