Reynoutria japonica invasion negatively affects arbuscular mycorrhizal fungi communities regardless of the season and soil conditions

The physic nut (Jatropha curcas L.) is a perennial tree that occurs naturally in the tropical and subtropical regions of Brazil. Fruits of physic nut present an oil content of 28% on a dry weight basis. Although the plant has adapted to diverse soil conditions such as low fertility, the correction of soil acidity and the addition of fertilizer are essential for highly productive plants. Thus, the response of the physic nut to different soil phosphorus levels (P) and arbuscular mycorrhizal fungi (AMF) inoculation must be characterized. Hence, the objective of the present study was to evaluate the response of physic nut seedlings to arbuscular mycorrhizal fungi (AMF) inoculation at different levels of soil P. Experiment was carried out in a greenhouse encompassing AMF treatments (inoculation with Gigaspora margarita or Glomus clarum, and the non inoculated controls), and phosphorus treatments (0, 25, 50, 100, 200 and 400 mg kg-1 added to soil). At low soil P levels, arbuscular mycorrhizal fungi inoculation had a significant positive effect on plant growth, shoot and root dry matter content, plant height, number of leaves, total leaf area, leaf area per leaf and the Dickson quality index. The root:shoot ratio and the leaf area ratio were also affected by mycorrhizal inoculation and the level of P addition. Physic nut plants exhibited high mycorrhizal dependency at soil P additions up to 50 mg kg-1.

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Effects of Arbuscular Mycorrhizal Fungi and Soil Conditions on Crop Plant Growth

Mycobiology ◽

10.5941/myco.2017.45.1.20 ◽

2017 ◽

Vol 45 (1) ◽

pp. 20-24 ◽

Cited By ~ 18

Author(s):

Sang Joon Kim ◽

Ju-Kyeong Eo ◽

Eun-Hwa Lee ◽

Hyeok Park ◽

Ahn-Heum Eom

Keyword(s):

Plant Growth ◽

Arbuscular Mycorrhizal Fungi ◽

Mycorrhizal Fungi ◽

Arbuscular Mycorrhizal ◽

Crop Plant ◽

Soil Conditions

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The Effects of Rice Husk Biochar Rate on Arbuscular Mycorrhizal Fungi and Growth of Soursop (Annona muricata L.) Seedlings

Sustainability ◽

10.3390/su13041817 ◽

2021 ◽

Vol 13 (4) ◽

pp. 1817

Author(s):

Nur Saidahtul Nadiah Harun ◽

Noraini Md. Jaafar ◽

Siti Zaharah Sakimin

Keyword(s):

Plant Growth ◽

Arbuscular Mycorrhizal Fungi ◽

Growth Performance ◽

Rice Husk ◽

Mycorrhizal Fungi ◽

Block Design ◽

Arbuscular Mycorrhizal ◽

Soil Conditions ◽

Annona Muricata ◽

Rice Husk Biochar

Soursop (Annona muricata L.) is increasingly planted in Malaysia for its agronomical importance as a multipurpose plant with medicinal and health benefits. However, there is limited information on soursop cultivation in Malaysia. Soursop can be inoculated with arbuscular mycorrhizal fungi (AMF) as a sustainable approach for successful seedlings growth before transplanting to field. As a beneficial symbiotic soil microorganism, AMF has been known as biofertilizer which can improve soil conditions and plant growth. Following the need to understand the soil management using soil beneficial microorganisms for soursop cultivation, this experiment aimed to determine the effects of AMF and biochar on the growth of soursop seedlings. The polybag experiment was conducted under glasshouse conditions at Farm 15, Faculty of Agriculture, UPM Serdang, Selangor. The study was arranged in Randomised Complete Block Design (RCBD) with eight treatments comprising different rates of rice husk biochar (RHB), with and without AMF and four replications. The treatments were; T1 (Control), T2 (AMF only), T3 (−AMF with 10 t/ha RHB), T4 (+AMF with 10 t/ha RHB), T5 (−AMF with 15 t/ha RHB), T6 (+AMF with 15 t/ha RHB), T7 (−AMF with 20 t/ha RHB) and T8 (+AMF with 20 t/ha RHB). Plant growth measurement were determined upon harvesting after four months of planting. Shoot and root biomass, leaf area meter, root surface area and root length were found significantly highest in soursop seedlings grown in soils amended with 10 t/ha RHB with or without AMF as compared to control. It was concluded that RHB, either individually or when in combination with AMF, had significantly improved the growth performance of soursop seedlings at nursery stage. Therefore, earliest inoculation of soursop seedlings with AMF at nursery stage could ensure successful mycorrhizal establishment and growth performance of soursop seedlings before transplanted under field condition.

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KEANEKARAGAMN FUNGI MIKORIZA ARBUSKUA (FMA) LAHAN KAMPUS UNIVERSITAS LANCANG KUNING (UNILAK

Wahana Forestra Jurnal Kehutanan ◽

10.31849/forestra.v15i2.5122 ◽

2020 ◽

Vol 15 (2) ◽

pp. 79-92

Author(s):

Ervayenri Ervayenri

Keyword(s):

Arbuscular Mycorrhizal Fungi ◽

Tree Species ◽

Mycorrhizal Fungi ◽

Morphological Characteristics ◽

Arbuscular Mycorrhizal ◽

Soil Sampling ◽

Filter Method ◽

Soil Conditions ◽

Plant Adaptation ◽

Genus Level

Arbuscular mycorrhizal fungi (AMF) are naturally scattered and symbiotic with various tree species, AMF is able to improve plant adaptation to extreme soil conditions. About thirty-seven years Unilak, has been built in Riau Province, precisely in Rumbai Pekanbaru City. How is the existence of FMA on the developed campus land? Is the focus of this paper. Soil sampling for AMF observation refers to the modified ICRAF method. The extraction of AMF spores followed the pour and wet filter method followed by centrifugation techniques. Based on the morphological characteristics of the extracted AMF spores, it was identified to the genus level. The research series showed that the presence of AMF on the Unilak campus area contained 13 types of spores from the genus Acaulospora, Gigaspora, Glomus and Sclerocystis.

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