Arbuscular mycorrhizal fungi in the rhizosphere of Macaranga denticulata Muell. Arg., and their effect on the host plant

Youpensuk, Somchit; Lumyong, S.; Dell, B.; Rerkasem, Benjavan

doi:10.1023/b:agfo.0000024417.88703.65

Cited by 15 publications

(15 citation statements)

References 18 publications

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“…Limited observations to date suggest that D. cochinchinensis can form symbiotic associations with ECMF (Chalermpong, Bunthaveekun 1982), but the compatible species are unknown. The genus Dalbergia is known for its symbiotic association with AMF (Khan 2001;Mridha, Dhar 2007;Bargali 2011 (Lakshman et al 2001;Youpensuk et al 2004), ECMF (Chalermpong, Bunthaveekun 1982) and slow-growing Bradyrhizobium spp. (Manassila et al 2007).…”

Section: Discussionmentioning

confidence: 99%

Response of directly seeded high-value timber species to microorganisms, fertiliser and a water retention polymer: implications for reforestation of agricultural lands in Southeast Asia

So¹,

Ruthrof²,

Sommeechai³

et al. 2016

J. For. Sci.

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High-value native timber species are being promoted in reforestation in Southeast Asia. However, slow growth during early establishment, coupled with poor soil fertility, poses challenges for promoting tree planting programs. Field trials were undertaken on agroforestry land in Thailand to examine the efficacy of reforestation treatments. The first trial examined the effect of applying microorganisms and fertiliser on directly seeded Acacia mangium Willdenow, Dalbergia cochinchinensis Pierre and Xylia xylocarpa (Roxburgh) Theobald. After 20 months, a mixed inoculum of arbuscular mycorrhizal and ectomycorrhizal fungi improved survival and basal diameter of D. cochinchinensis by 15 and 43%, respectively. The co-inoculation of arbuscular mycorrhizal fungi and N 2 -fixing bacteria improved survival by 17%. The second trial investigated the effects of fertiliser and a water retention polymer on directly seeded A. mangium, Afzelia xylocarpa (Kurz) Craib, D. cochinchinensis, Eucalyptus camaldulensis Dehnhardt, Sindora cochinchinensis Baillon and X. xylocarpa. Height was improved by 40% at 20 months. Our findings suggest that reforestation is viable, provided that suitable treatments are used. These principles can be applied for reforestation of nutrient-impoverished soils of continental Southeast Asia.

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Section: Discussionmentioning

confidence: 99%

Response of directly seeded high-value timber species to microorganisms, fertiliser and a water retention polymer: implications for reforestation of agricultural lands in Southeast Asia

So¹,

Ruthrof²,

Sommeechai³

et al. 2016

J. For. Sci.

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“…This is likely to affect benefits that the trees may gain from association with the AM fungi. In the mountains of northern Thailand, we identified 29 species of AM fungi in 6 genera associated with shifting cultivation 7 . In Thailand, however, information on AM association with tree crops including tangerine is limited.…”

Section: Introductionmentioning

confidence: 99%

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Youpensuk¹,

Lordkaew

Rerkasem³

2008

ScienceAsia

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There are many tangerine (Citrus reticulata) orchards in northern Thailand. These orchards are supplied with different levels of fertilizers. The objective of this study is to investigate arbuscular mycorrhizal (AM) fungi associated with tangerine in Chiang Mai province, northern Thailand, and the effect of AM fungi on the growth of the air layered tangerine variety 'Sai Num Phung' with different levels of nitrogen (N) and phosphorus (P) fertilizers in a pot experiment. Percentage of AM colonization in the tangerine roots and spore density in the rhizosphere varied significantly with the available P levels in the orchard soil. Means of root colonization and spore density were significantly depressed at >500 mg P/kg soil. Twenty-two species of AM fungi were found to be associated with tangerine in orchards of the Chiang Mai province. The effects of AM fungi, and N and P fertilizers on air layered tangerine plants were investigated in pots for ten months. AM fungi increased growth of the host plant especially in pots with N but without P fertilizers. AM fungi increased concentrations of P and Mg in leaves of tangerine. Application of N and P fertilizers depressed root colonization of AM fungi in the pot experiment. This study has shown that a wide range of AM fungi is associated with tangerine in commercial orchards, but with high levels of N and P fertilizers the increase in growth of tangerine trees due to the association with AM fungi may be limited.

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“…is a fallowenriching tree that is well known among the various ethnic groups who make a living on rotational shifting cultivation, including those who live in the village of Haui Tee Cha, Sob Moei District, Mae Hong Son Province of Northern Thailand 2 . Youpensuk et al 3 found a very high diversity with 29 species of arbuscular mycorrhizal (AM) fungi in the root zone of M. denticulata. The diversity of AM fungi in the root zone of upland rice was found to be about half of that in the root zone of M. denticulata 4 .…”

Section: Introductionmentioning

confidence: 99%

“…Youpensuk et al 3 found a very high diversity with 29 species of arbuscular mycorrhizal (AM) fungi in the root zone of M. denticulata. The diversity of AM fungi in the root zone of upland rice was found to be about half of that in the root zone of M. denticulata 4 . The soils in this village had low available P (about 2-4 mg/kg by Bray II), and pH ranging from about 4.5 to 6.0.…”

Section: Introductionmentioning

confidence: 99%

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Youpensuk¹,

Lordkaew²,

Rerkasem³

2006

ScienceAsia

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Macaranga denticulata Muell. Arg. is a fallow-enriching tree in upland rice fields where rotational shifting cultivation is practical. It was found associated with high diversity of arbuscular mycorrhizal (AM) fungi in the village of Haui Tee Cha, Sob Moei District, Mae Hong Son Province of northern Thailand. Soils in the village had low available P (about 2-4 mg/kg by Bray II), and pH ranging from about 4.5 to 6.0. This study evaluated the effects of AM fungi on upland rice in comparison with M. denticulata and root colonization in the host plants in three levels of soil pH, 4.5, 5.9 and 7.8, in a pot experiment. The optimal soil pH for growth of upland rice and M. denticulata were 4.5 and 5.9, respectively. In spite of almost no difference in the percentage root colonization and spore density, the effect of AM on growth of upland rice was very different from that on M. denticulata. AM fungi had no effect on dry weight and grain yield of upland rice. But in M. denticulata, AM fungi increased dry weight and nutrient contents, especially at pH 4.5 and 7.8. However, AM fungi significantly increased the nutrient content in seeds of upland rice in pH 7.8 soil. These results indicate that AM fungi play an important role in the maintenance of soil fertility and upland rice productivity in shifting cultivation by enhancing accumulation of nutrients in the fallow enriching M. denticulata.

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Arbuscular mycorrhizal fungi in the rhizosphere of Macaranga denticulata Muell. Arg., and their effect on the host plant

Cited by 15 publications

References 18 publications

Response of directly seeded high-value timber species to microorganisms, fertiliser and a water retention polymer: implications for reforestation of agricultural lands in Southeast Asia

Response of directly seeded high-value timber species to microorganisms, fertiliser and a water retention polymer: implications for reforestation of agricultural lands in Southeast Asia

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