Effects of sowing methods and seeding rates on growth and yield characteristics of phasey bean (<i>Macroptilium lathyroides</i>)

Tobisa, Manabu; Nakano, Yoshiaki

doi:10.1111/gfs.12450

Cited by 4 publications

(2 citation statements)

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“…The average CP content (115.90 ± 30.5 g dm³) observed is low (Tabela 2), when compared to a recent Macroptilium lathyroides study (Tobisa & Nakano, 2019) varying from 118 to 250 g dm³ PB, and the plants were evaluated in free growth from 48 to 110 days (Fluck et al, 2013).…”

Section: Resultsmentioning

confidence: 76%

“…It presents regeneration by soil seed bank and in favorable climatic conditions manifests more than one flowering wave. In addition to being cited for its forage quality, it is highlighted as an improvement of the productive capacity of the soils, through the supply of organic matter and biological nitrogen fixation is also used as green fertilization (Ferreira et al, 2003;Ferreira et al, 2004;Monks et al, 2006;Heuzé et al, 2015;Prabhukumar et al, 2016;Tobisa et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

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Chemical composition of Phasey Bean (Macroptilium Lathyroides (L.) Urb.)

Farias

Costa

Kröning

et al. 2020

RSD

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The objective of the study was to determine the chimical composition of phasey bean throughout the productive cycle. The experiment was carried out in the municipality of Capão do Leão – RS, physiographic south coast region of Rio Grande do Sul. At 45 days after the emergence of the plants, the first cut of the forage evaluation was performed and, at intervals of 15 days, another nine cuts were made, all 5 cm from the soil. The treatments corresponded to different evaluation dates of Macroptilium in free growth in an experiment with ten treatments and three replicates in a completely randomized design. The variables studied were neutral detergent fiber (NDF), acid detergent fiber (ADF), acid detergent lignin (ADL), crude protein (PB), total lipids (TL), phosphorus (P), potassium (K), calcium (Ca) and magnesium (Mg). The results were submitted to analysis of variance and polynomial regression. All variables presented significance (P≤0.05) for cubic regressions, with mean values of: NDF = 58.15; FDA = 38.94; ADL = 9.15; PB = 11.59; TL = 1.18% e; P = 2.29; K = 10.19; Ca = 26.48 and Mg = 4.53 g / kg DM; similar to other hot-legged forage legumes. The bromatological quality of the Macroptilium lathyroides varied during the productive cycle, being directly influenced by the habit of indeterminate growth of the species. From the bromatological quality, the forage of the first growth of the Macroptilium lathyroides should be harvested up to 75 days after emergence, when the lower fiber and lignin contents associated with higher levels of crude protein, lipids, magnesium, and calcium.

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Section: Resultsmentioning

confidence: 76%

Section: Introductionmentioning

confidence: 99%

Chemical composition of Phasey Bean (Macroptilium Lathyroides (L.) Urb.)

Farias

Costa

Kröning

et al. 2020

RSD

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First report of bean common mosaic virus infecting showy rattlepod and phasey bean plants in Brazil

Favara,

Bello,

de Oliveira

et al. 2023

J Plant Pathol

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First Report of Powdery Mildew Caused by Podosphaera xanthii on Phasey Bean (Macroptilium lathyroides) in China

Wu,

Pan

2024

Plant Disease

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The forage legume phasey bean Macroptilium lathyroides (L.) Urb. is an annual or short-lived perennial of the family Fabaceae. It is native to the tropical and subtropical areas from North to South America, and is naturalized throughout the tropics and subtropics of the world (Tobisa and Nakano 2019). It is mainly used for forage, green manure, and slope protection (Silva et al. 2018). In addition, the nitrogen fixation ability of this plant can also improve the soil. In February 2022 and January 2023, powdery mildew symptoms were observed on 70% of M. lathyroides plants on the Hainan Medical University campus (19° 58′ 53″ N; 110° 19′ 47″ E) in Haikou, Hainan Province, China. Powdery mildew colonies covered the leaf surfaces and stems of affected plants, causing discoloration and defoliation. Mycelia were superficial and hyphal appressoria were nipple-shaped. Conidiophores (n =30) were unbranched, cylindrical, 100 to 233 × 8 to 15 µm, and produced three to five immature conidia in chains with a crenate outline. Foot cells (n =30) were cylindrical, straight or sometimes curved at the base, and 36 to 56 µm long. Conidia (n =100) were ellipsoid-ovoid to doliiform, 24 to 34 ×13 to 20 m (length/width ratio = 1.5 to 2.3), with well-developed fibrosin bodies, and produced germ tubes from the lateral position. Based on these morphological characteristics, the pathogen was provisionally identified as Podosphaera xanthii (Braun and Cook 2012). The teleomorph was not observed. A specimen was deposited in the Hainan Medical University Plant Pathology Herbarium as HMML-23. To confirm the identification, genomic DNA was extracted from mycelium, conidiophores, and conidia using a fungal DNA kit (Omega Bio-Tek, USA). The rDNA internal transcribed spacer (ITS) region was amplified with primers ITS1/ITS4 (White et al. 1990) and sequenced directly. The resulting 575-bp sequence was deposited in GenBank (accession no. OR240256). A BLASTn search in GenBank of this sequence showed 100% similarity with the ITS sequences of P. xanthii isolates from China (MT242593, MK439611 and MH143483), Korea (MG754404), Vietnam (KM260704), Japan (MZ604267), and Puerto Rico (OP882310). Additionally, the 28S rDNA region was amplified using the primer pairs NL1 and NL4 (O´Donnell 1993; accession no. OR240255). This region shared 100% similarity with P. xanthii isolates (MK357436, LC371333, OP765401, and MZ604267) as well. To confirm pathogenicity, five healthy potted plants of M. lathyroides were inoculated by gently pressing a powdery mildew-infected leaf onto 15 young leaves. Five non-inoculated plants served as controls. All plants were maintained in a greenhouse at 24 to 30°C, 70% relative humidity, with a 16-h photoperiod. After 7 days, inoculated leaves showed powdery mildew symptoms whereas no symptoms were observed on control plants. The fungal colonies observed on inoculated plants were morphologically identical to those found on the originally infected leaves collected from Hainan Province. Based on the morphological characteristics and molecular identification, the fungus was identified as P. xanthii. This fungus has been reported causing powdery mildew on M. atropurpureum in Thailand (Meeboon et al. 2016). In the United States phasey bean powdery mildew caused by Erysiphe fallax has been previously reported (Poudel and Zhang 2019). To our knowledge, this is the first record of P. xanthii infecting M. lathyroides in China. Over the past 50 years of introduction, phasey bean has become one of the main leguminous forages for establishing artificial mixed seeding grasslands in southern China. We are concerned that the pathogen could become a threat to the widespread planting of M. lathyroides in the future.

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Effects of sowing methods and seeding rates on growth and yield characteristics of phasey bean (Macroptilium lathyroides)

Cited by 4 publications

References 24 publications

Chemical composition of Phasey Bean (Macroptilium Lathyroides (L.) Urb.)

Chemical composition of Phasey Bean (Macroptilium Lathyroides (L.) Urb.)

First report of bean common mosaic virus infecting showy rattlepod and phasey bean plants in Brazil

First Report of Powdery Mildew Caused by Podosphaera xanthii on Phasey Bean (Macroptilium lathyroides) in China

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