Influence of vesicular-arbuscular mycorrhizae on phosphate fertilizer efficiency in two tropical acid soils planted with micropropagated oil palm (Elaeis guineensis jacq.)

Blal, B.; Morel, Christian; Gianinazzi‐Pearson, Vivienne; Fardeau, Jean-Claude; Gianinazzi, Silvio

doi:10.1007/bf00335860

Cited by 60 publications

(17 citation statements)

References 21 publications

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“…However, some EB have been found to decrease the frequency of root colonisation by AMF in crop plants (Germida and Walley 1996;Xiao et al 2008). Considering the potential importance of AMF for oil palm production (Blal et al 1990;Phosri et al 2010;Sundram 2010), it was therefore necessary to assess the biological compatibility of the biocontrol agents Pseudomonas aeruginosa UPMP3 and Burkholderia cepacia UPMB3 with AMF. A previous in vitro study using the same EB species demonstrated a synergistic effect on Glomus intraradices UT126 and Glomus clarum BR152B spore germination and hyphal growth (Sundram et al 2011).…”

Section: Discussionmentioning

confidence: 99%

Application of arbuscular mycorrhizal fungi with Pseudomonas aeruginosa UPMP3 reduces the development of Ganoderma basal stem rot disease in oil palm seedlings

et al. 2014

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The effect of arbuscular mycorrhizal fungi (AMF) in combination with endophytic bacteria (EB) in reducing development of basal stem rot (BSR) disease in oil palm (Elaeis guineensis) was investigated. BSR caused by Ganoderma boninense leads to devastating economic loss and the oil palm industry is struggling to control the disease. The application of two AMF with two EB as biocontrol agents was assessed in the nursery and subsequently, repeated in the field using bait seedlings. Seedlings pre-inoculated with a combination of Glomus intraradices UT126, Glomus clarum BR152B and Pseudomonas aeruginosa UPMP3 significantly reduced disease development measured as the area under disease progression curve (AUDPC) and the epidemic rate (R L) of disease in the nursery. A 20-month field trial using similar treatments evaluated disease development in bait seedlings based on the rotting area/advancement assessed in cross-sections of the seedling base. Data show that application of Glomus intraradices UT126 singly reduced disease development of BSR, but that combination of the two AMF with P. aeruginosa UPMP3 significantly improved biocontrol efficacy in both nursery and fields reducing BSR disease to 57 and 80%, respectively. The successful use of bait seedlings in the natural environment to study BSR development represents a promising alternative to nursery trial testing in the field with shorter temporal assessment.

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Section: Discussionmentioning

confidence: 99%

Application of arbuscular mycorrhizal fungi with Pseudomonas aeruginosa UPMP3 reduces the development of Ganoderma basal stem rot disease in oil palm seedlings

et al. 2014

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“…AM symbiosis is particularly important for plants growing in soils with low available P (Smith et al 1986, Abdel-Fattah 1997, Ibrahim et al 2011. It increased the rate of plant growth and P concentration in plant tissues (Blal et al 1990, AbdelFattah and Asrar 2012, Sheng et al 2013. Alkaline phosphatase (ALP) has been identified as an active enzyme for AM by using gel electrophoresis (Abdel-Fattah 2001) and ultracytochemistry (Gianinazzi-Pearson and Gianinazzi 1978).…”

Section: Introductionmentioning

confidence: 99%

Influence of arbuscular mycorrhiza and phosphorus fertilization on the gas exchange, growth and phosphatase activity of soybean (Glycine max L.) plants

Abdel-Fattah¹,

Asrar²,

Al‐Amri³

et al. 2014

Photosynt.

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We studied the effect of arbuscular mycorrhizal (AM) fungus, Glomus constrictum (Trappe), and soil phosphorus (P) on gas-exchange parameters, growth, and nutrition of soybean plants grown in pots with sterilized soil. Two contrasting concentrations of KH 2 PO 4 , i.e. no added and 0.5 g(P) kg -1 (soil), were used. Addition of soluble phosphate increased all growth parameters, P and N concentrations, and most of the studied photosynthetic parameters of both the mycorrhizal and nonmycorrhizal plants. The mycorrhizal inoculation significantly increased plant growth responses, P and N concentrations in shoot and root tissues, acid and alkaline phosphatase activities, and total soluble proteins in root tissues compared with the nonmycorrhizal plants. The stimulations were related to the level of the mycorrhizal colonization in the root tissues. The mycorrhizal plants showed significantly higher net photosynthetic rate, stomatal conductance, and transpiration rate than those of nonmycorrhizal plants, especially in soil without added P. The phosphate addition to soil reduced generally the percentage of the mycorrhizal colonization in the root tissues, and consequently the mycorrhizal benefits. In general, growth, nutrition, and photosynthetic parameters of the soybean plants showed a high degree of dependency on the mycorrhizal fungus in nonfertilized soil when compared with the soil fertilized with P. This study confirmed that AM colonization could improve growth and nutrition of the soybean plant through increasing photosynthesis in leaves, particularly at low P in soil.Additional key words: arbuscular mycorrhizal symbiosis; depletion zone; inoculum; root/shoot ratio.

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“…The time of inoculation of microplants has, however, been proved important. Pineapple (Guillemin et al 1992), oil palm (Blal et al 1990) and vine (Ravolanirina et al 1989) microplants, for example, were more successfully established if they were inoculated with mycorrhizal fungi at the beginning of the weaning period, whilst avocado microplants grew better if inoculated after a period of weaning in an uninoculated substratum (Azcön-Aguilar et al 1992).…”

Section: Introductionmentioning

confidence: 99%

Mycorrhization of micropropagated mature wild cherry (Prunus avium L.) and common ash (Fraxinus excelsior L.)

Lovato¹,

Hammatt

Gianinazzi‐Pearson³

et al. 1994

AFSci

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Micropropagated plants of common ash and wild cherry were inoculated with arbuscular mycorrhizal fungi during a 20-day weaning period, after which they were transferred to two different substrata supplemented with slow-release fertilizer. After a 13-week growth period, the stem height and diameter of the ash plants which had been inoculated with Glomus intraradices were three times greater than those of uninoculated control plants. Increasing the peat content of the substratum improved growth of ash. Four weeks after being transferred to pots, shoots of wild cherry inoculated with G. intraradices or G. deserticola were taller and stems thicker than those of control plants, whereas those inoculated with Gigaspora rosea had shorter shoots and thinner stems than the controls. These beneficial effects of fungal inoculation on plant development disappeared after 13 weeks. Increasing the peat content, but not the level of fertiliser of the substratum, improved growth of both inoculated and uninoculated wild cherry.

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Influence of vesicular-arbuscular mycorrhizae on phosphate fertilizer efficiency in two tropical acid soils planted with micropropagated oil palm (Elaeis guineensis jacq.)

Cited by 60 publications

References 21 publications

Application of arbuscular mycorrhizal fungi with Pseudomonas aeruginosa UPMP3 reduces the development of Ganoderma basal stem rot disease in oil palm seedlings

Application of arbuscular mycorrhizal fungi with Pseudomonas aeruginosa UPMP3 reduces the development of Ganoderma basal stem rot disease in oil palm seedlings

Influence of arbuscular mycorrhiza and phosphorus fertilization on the gas exchange, growth and phosphatase activity of soybean (Glycine max L.) plants

Mycorrhization of micropropagated mature wild cherry (Prunus avium L.) and common ash (Fraxinus excelsior L.)

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