Academic literature on the topic 'Mucuna pruriens (L.)'

The study aimed at understanding the competitive ability of legumes Vigna radiata L. and Mucuna pruriens with weeds and their effects on the activity of nitrifying bacteria in soils and the contents of organic-N in legumes and weeds. The experiment was arranged in a randomized block design with three factors and four replications. The first factor was soil order, i.e. Inceptisol and Vertisol; the second factor was types of legumes, i.e. Vigna radiata L. cultivar Sriti and Mucuna pruriens; and the third factor was weed management, i.e. with weed management and without weed management. The results showed that Vigna radiata L. and Mucuna pruriens indirectly influence the supply of available nitrogen in soils that can be taken up by the coexisted plants or weeds via the inhibition of the growth of Nitrosomonas and Nitrobacter in soils. As a results, the organic-N content in weeds decreases, which is in contrast to the increasing amount of organic-N in Vigna radiata L. and Mucuna pruriens. The results indicated that Vigna radiata L. and Mucuna pruriens are considered as allelophatic legumes, resulting in low organic-N content in weeds. Keywords: Allelopathic, Mucuna pruriens, Nitrosomonas, Nitrobacter, Vigna radiata

Mucuna pruriens, also known as Velvet Bean, Mucuna pruriens has been used for centuries by Ayurvedic herbalists for overall wellness. Mucuna pruriens provides support for brain function, muscle health and libido. Mucuna pruriens has also been shown to have diuretic effects. It increases tissue resiliency and improves coordination. Mucuna can also increase testosterone levels, which in turn can lead to increased muscle mass and strength. It also supports the nervous and reproductive systems in the body. anti-oxidant activity of M. pruriens has been also demonstrated in vitro by its ability to scavenge DPPH radicals and reactive oxygen species. This is an excellent natural source of L-dopa and 5-hydroxy tryptophan (5-HT) Present study was designed to evaluate the anti-anxiety activity of Mucuna pruriens extract in Swiss albino mice. Three doses of Mucuna pruriens (100, 200,400 mg/kg, p.o.) and standard dose of Buspirone (5 mg/kg, i.p.) were used for evaluation of the anti-anxiety activity. The elevated plus maze (EPM) was used to take as a measure of antianxiety effect. Mucuna pruriens at the doses of 200 mg/kg and 400 mg/kg significantly reduced the time spent and no. of entries in closed arm, increased the time spent and entries into open arm in elevated plus maze (p<0.05) as compared to control group. These results indicate that MP may be possesses antianxiety property. Keywords: Anxiety, Elevated plus maze, Mucuna pruriens, Buspirone, Swiss Albino Mice.

El presente artículo investiga la factibilidad de utilización de la leguminosa silvestre Mucuna pruriens (L.) DC. (fabáceae) como una alternativa viable para paliar el déficit nutricional que presenta un amplio porcentaje de niños y niñas que se educan en las escuelas de Guayaquil. Se considera que el bajo rendimiento escolar que se observa en la educación fiscal, está relacionado con la deficiente alimentación de los educandos. Para el efecto, se analizó el valor biológico del frejol Mucuna Pruriens8• Se prepararon y presentaron varios productos hechos a partir de esta leguminosa9, se recolectaron semillas en Vinces para culturizarlas, y con ellas se realizaron los estudios de este trabajo en las Facultades de Ciencias Químicas, Ingeniería Química e ITAV de la Universidad de Guayaquil. Se determinó que el fréjol M. Pruriens no presenta toxicidad aguda oral, tiene un alto valor nutricional al poseer proteínas de buena calidad, aminoácidos esenciales, vitaminas, entre otros. Su nivel de digestibilidad se determinó en el 91,81 %, manteniendo las proteínas después de la cocción. Se evaluó su impacto positivo en la salud de los educandos de una escuela de Guayaquil, comprobándose un aume nto significativo de las proteínas séricas y nivel de madurez en la percepción viso-motriz y desarrollo mental. Con respecto a su factibilidad económica, se determinó una eficiente relación costo/beneficio.

Objective: This research was conducted to determine the acute toxicity of ethanol extract of velvet beans (Mucuna pruriens) from Indonesia. Extract of Indonesian Mucuna pruriens seeds showed antiparkinson activity due to the presence of L-DOPA inadequate levels. However, research on the toxicity level of Mucuna pruriens seeds from Indonesia is still limited. Acute toxicity data are needed to make Mucuna pruriens as standardized herbal medicine for Parkinson disease.Methods: The dried seed of Mucuna pruriens was extracted by ethanol and suspended with tragacanth to make several dosas of ethanol extract of Mucuna pruriens seeds. Determination of acute toxicity was performed on six groups, each consisting of five Wistar rats. One group was used as a control group; other groups were given ethanol extract of Mucuna pruriens seeds orally at a dose of 5 mg/kg, 50 mg/kg, 300 mg/kg, 2000 mg/kg, and 5000 mg/kg body weight. Symptoms of toxicity, including death, were observed daily for 14 d. At the end of the observation, the surviving Wistar rats were autopsied and the brain, heart, liver, lungs, stomach, spleen, kidneys, and ovaries were weighed to give relative organ weight.Results: There was no mortality observed in all groups. The Wistar rats gained weight within the normal range. The relative organ weights in all groups generally did not show a significant difference. However, the significant differences (P<0.05) were seen in the liver for all treatment groups compared to the control group.Conclusion: The ethanol extract of Mucuna pruriens seeds from Indonesia administered orally has LD50>5000 mg/kg, thus it could be regarded as safe or non-toxic. However, this extract may be potentially toxic to the liver

Parkinson’s disease is a multifactorial disorder of the nervous system, the main features of which are progressive degeneration of dopaminergic neurons in the nigra pars compacta nigrostriatal tract and subsequent deficiency of the neurotransmitter dopamine in the areas of the brain, leading to the loss of motor function, the emergence of non-motor symptoms, rigidity, akinesia or bradykinesia, motor block, and decline in cognitive functions. Parkinson’s disease has high prevalence throughout the world, and has no curative treatment in modern medicine. The available drugs such as anticholinergics, levodopa and a DOPA-decarboxylase inhibitor provide symptomatic relief only. Although dopaminergic therapy is the standard treatment of motor disabilities associated with Parkinson’s disease, it does not managed all the aspects of the disease. For this reason, the increasing numbers of patients are looking for more holistic approach to the treatment of this disease. Mucuna pruriens L. – an annual self-pollinating legume plant, can be considered as a potential complementary therapy for patients with Parkinson’s disease, as it is an extremely rich source of levodopa. Numerous studies have shown that Mucuna pruriens extracts restore biochemical and behavioral abnormalities in animals with the experimental model of Parkinson’s disease. The plant also demonstrates some antioxidant activity. The clinical effects of high-dose Mucuna pruriens are similar to levodopa, but have a more favorable tolerance profile. If long-term use of Mucuna pruriens proves safe and effective in controlled clinical trials, it could become a sustainable complementary therapy for the treatment of Parkinson’s disease, especially in low-income countries.

The purpose of this study was to determine the functional and chemical properties of mucuna bean sprout flour. This study was conducted using 48 hour germination and without germination of mucuna bean, and each treatment was repeated three times. Mucuna bean flour and mucuna bean sprouts flour were tested for rendemen, functional properties (water absorption, oil absorption, swelling volume, and solubility), and chemical properties (moisture content, ash content, protein content, fat content, carbohydrate content, and HCN content). The results showed that germination of mucuna bean had a very significant effect on rendemen, water absorption, oil absorption, ash content, moisture content, a significant effect on fat content, carbohydrate content, and had no significant effect on swelling volume, solubility, protein content, and HCN content. The results showed that rendemen of mucuna bean sprout flour was 63.93% (db), the functional properties of mucuna bean sprout flour were water absorption 1.67 ml H2O/g solid, oil absorption 2.17 ml oil/g solid, swelling volume 8.68 ml/g, and solubility 25.76%, while the chemical properties of mucuna bean sprout flour were water content 8.10%, ash content 2.87%, protein content 36.33%, fat content 10.77%, carbohydrate content 41.92%, and HCN content 5.39 mg/kg.

Mucuna pruriens seeds are noted to be a natural source of L-DOPA and are also used as a substitute for the synthetic L-DOPA. In the present study; attempts are made to develop suitable method(s) for extraction of L-DOPA from the powdered seeds of Mucuna pruriens using different solvents and conditions. The Seed powder was subjected to 7 different extraction methods and Method 1 was subjected to various solvent concentrations. Some methods used de-fatting procedure, either the method was cold maceration or in high temperature. Soxhlet extraction was also used in one of the extraction methods. All the extracts were analyzed using RP-HPLC. Mobile Phase used was Water: Methanol: AcetoNitrile (100:60:40) (v/v) containing 0.2% Triethylamine, pH = 3.3 and monitored at 280 nm with variable wavelength UV detector. The extraction was best with Methanol Water mixture in a cold maceration technique and overall gives good extraction efficiency of 13.36 % L-DOPA and id the best method giving highest extraction efficiency. The De-fatting method was the 2nd best methods giving approximately 8.8% L-DOPA and Method 5 viz, heat reflux method gives 8.7% L-DOPA making it the 3rd best method. There are not many studies done for optimization of extraction technique for L-DOPA despite an extensive work is reported for isolation, identification and pharmacological activities of L-DOPA from various plant sources. Keeping this in view, present investigation was done to study the extraction efficiency of various extraction methods of L-DOPA content in seed extracts of Mucuna pruriens and compare it.

Mucuna pruriens (L). Dc is a plant of the Fabaceae family, commonly known as velvet bean, itchy bean, chiporro bean, mucuna, among others. This plant has several medicinal properties, including its potential to treat Parkinson's disease (PD). International studies have shown that this plant surpasses the benefits of the substance levodopa in the treatment of PD. Taking into account that nerve cells are highly sensitive to oxidative substances, this study evaluated the antioxidant activity of mucuna and compared it to that of levodopa. The plant seeds' phenolic concentration was quantified by using the Folin-Denis reagent and the antioxidant activity assays were performed by using three different methods: the reduction of the phosphomolybdenium complex, the reduction of radical 1,1-diphenyl-2-picrylhydrazyl (DPPH•) and the formation of radical monocation ABTS•+, from the acid [2-2'-azinobis (3-ethylbenzothiazoline-6-sulfonate)]. Results showed that M. pruriens presents high antioxidant capacity, although not superior to isolated levodopa antioxidant capacity. Therefore, further studies should be performed to elucidate the activity of this plant in humans.

This study examines the potential for increasing natural L-DOPA drug biosynthesis in Mucuna pruriens by silencing or “knocking down” expression of putative DOPA/tyrosine decarboxylase (Mp-ty/ddc) in situ. Mp-ty/ddc codes for DOPA/tyrosine decarboxylase (Mp-TY/DDC) which converts L-DOPA to dopamine in plants. The hypothesis of the work was that silencing the Mp-ty/ddc gene would result in accumulation of L-DOPA in the plant tissues. This work involved isolation and characterisation of 1.73 kb putative full-length ORF of Mp-ty/ddc. The gene showed 74% homology with TY/DDC protein alignments of other plants in the same taxa, although no enzyme activity was detected when the gene product was heterologously expressed. In addition, a protocol was developed for Agrobacterium mediated transformation of M. pruriens so as to be able to manipulate expression of the DOPA genes in situ. The cotyledonary nodal and hypocotyl tip explants regenerated shoots on M.S media supplemented with 50 μM BA, 0.5 μM NAA and 50 mg l-1 kanamycin selection also the nptII transgene was detected by PCR. The Agrobacteria strains GV3101 harbouring a pGREEN vector and carrying an Mp-ty/ddc antisense were used for the plant transformation experiments. Further work showed that the Mp-ty/ddc gene copy number was 1, the gene expression was highest in roots and stems, followed by seeds and was very low in leaves. On the other hand, L-DOPA-content in seeds was 17-fold higher relative to leaves and 15 fold relative to stems and roots.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico
Entre os problemas fitossanitários da cultura da soja [Glycine max (L.) Merrill] no Brasil, o nematóide de cistos da soja (NCS) é responsável por grandes prejuízos econômicos. Devido à pouca disponibilidade de variedades de soja resistentes no País, o controle deste nematóide baseia-se principalmente na rotação de culturas com espécies não-hospedeiras tradicionalmente cultivadas ou utilizadas para adubação verde e cobertura do solo. Visando ampliar as informações sobre a utilização da espécie Mucuna pruriens no controle do NCS, foram conduzidos ensaios em casa de vegetação, para avaliar a penetração e o desenvolvimento de populações do nematóide identificadas como raças 2, 3, 4, 5 e 14 nas raízes das variedades pruriens (mucunas anã e rajada) e utilis (mucunas preta e cinza) e as alterações histológicas quando inoculadas com a raça 3 do nematóide. Observou-se a penetração dos juvenis de segundo estádio (J2) das diferentes raças do nematóide em todas as mucunas e o desenvolvimento destes até o terceiro (J3) e quarto estádios (J4). Todavia, estes dois últimos estádios de desenvolvimento foram encontrados em maior número nas raízes da soja ‘Doko RC’. As duas variedades de M. pruriens se comportaram como não- hospedeiras do nematóide, pois apenas três fêmeas se formaram nas raízes das plantas de mucunas rajada, anã e cinza (uma fêmea em uma das plantas) quando se inoculou a raça 4 e apenas uma fêmea em uma das plantas de mucuna-cinza quando se inoculou a raça 2. As alterações histológicas ocorridas em tecidos da raiz de mucuna indicaram a penetração intracelular pelos J2 do NCS, com danos mecânicos nas células do córtex devido ao rompimento de paredes. A formação de síncitos foi evidenciada, ocorrendo hipertrofia de células do córtex, da endoderme, do periciclo e do cilindro central. Citoplasma denso, vacúolos, núcleos hipertrofiados e aglomerados e paredes celulares hipertrofiadas sem rompidas a foram formação observados de um nos síncito síncitos. funcional e Células células desorganizadas e necrosadas próximas à região cefálica do nematóide indicaram reações de resistência da planta que impediram o seu desenvolvimento. Síncitos em degeneração associados a J4 que se desenvolveram em machos e regiões necrosadas sendo recuperadas pelo desenvolvimento de células do raio parenquimático foram também observados.
Heterodera glycines is currently the cause to account for the most serious economic losses in Brazilian soybeans. SCN-resistant soybean cultivars are hardly available in this country, thus the accepted means to achieve nematode control has been rotation in which widely cultivated non-host crops, or those used as green manure or cover crops, are used. Mucuna pruriens is a good prospect against the SCN, thus assays were carried out with this leguminous plant, under greenhouse conditions, to provide data on plant penetration by the races 2, 3, 4, 5 and 14 , how they develop inside roots of the pruriens and utilis varieties of M. pruriens, and on the anatomic root changes brought about by the race 3 of the nematode. Second stage juveniles (J2) penetrated the roots of both varieties, in which they developed into the third (J3) and fourth (J4) stages; nevertheless, the numbers of J3 and J4 individuals were much lower here than in ‘Doko-RC` soybean roots, used as the susceptible control. The M. pruriens varieties were ranked as non-host plants since only three female specimens, of the race 4, and one, of the race 2, were found in all examined roots. The anatomic changes found in root tissues indicate the intracelular penetration by J2 juveniles, because it shows a damaged cortex due to disruption of cell walls. Syncytial feeding sites were formed by hypertrophied cells in the cortex, endodermis, pericycle and the vascular cylinder. Dense cytoplasm, vacuolation, hypertrophied and clustered nuclei, in addition to disrupted cell walls, were also observed. The nematode failure to fully develop in the mucuna root tissues, the occurrence of hypertrophied root cells with no syncytium formation and disorganized and necrotic root cells near the nematode cephalic region are indications that mucuna root tissues are somewhat resistant to H. glycines race 3. Degenerated syncytia associated with the J4 bound to develop into males and necrotic regions being regenerated by parenchymatous ray cells were also found.
Tese importada do Alexandria

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
Green manure is considered a viable and sustainable alternative to agricultural land. The positive highlight this practice results from the proof of the harmful effects of joint-soluble fertilizers with high oil costs and industrial fertilizers. Thus Leguminosae family has been the most used as green manure, as it brings many advantages for both the soil and to the plants. In this family there is the Mucuna pruriens (L.) DC. (Leguminosae, Faboideae) species as one of the most used for this practice. However knowledge about their biology and especially in relation to aspects of floral biology and their pollinators about various species used as green manure are scarce. This study aimed to verify aspects of floral biology and pollination that influence the reproduction of green manure Mucuna pruriens. For this, we inventoried the wealth of floral visitors and pollinators; verified as morphology and floral biology influence the pollinator behavior and/or floral visitor; and analyzed the M. pruriens fertility components through its fruiting rates and seed formation. To study the floral biology flowers were observed as to their flowering time and duration of anthesis. Visa also is change of color in the floral parts and stigmatic receptivity at all stages of flower development. Morphometry of flowers by the material preserved in FAA and in natura was verified. For the morphological and anatomical study of the keel light microscopy and scanning electron microscopy was used. The floral visitors were observed during their foraging activities and made autogamy test for the presence of spontaneous self. For fertility components was observed a difference in fruit development positions in the basal, middle and apical inflorescence and the difference in the formation of seeds in the fruits positions. The M. pruriens flower anthesis have seven days. Are heteroclamídeas with purplish corolla dialipetala and zigomorfa. It is a monoecious plant with androecium and gynoecium diadelfo simple. The gynoecium and androecium are tensioned and confined inside the keel. In Keel apex petals are joined and lignified presenting a membrane that is different from petalar tissue. Were observed individuals Trigona spinipes (Fabr.) (Hymenoptera: Apidae) and Vespidae of individuals presenting looting behavior. There was no significant difference between the number of fruits developed in relation to the position in the inflorescence. Selective abortions occurred at a higher frequency in the basal region of the pods of Mucuna pruriens. Mucuna pruriens, presented characteristics that distinguishes it from other species of the genus, since, it showed no need for pollinators for reproduction by the presence of autogamy. The presence of the membrane in Keel vertex possibly be the difference that provides the reproduction of this species. Before the study of fertility components, it is possible to detect certain reproductive problems. There is a great investment in production M. pruriens little flowers to fruit formation occurring a great loss of energy descent to ensure species.
A adubação verde é considerada uma alternativa viável e sustentável aos solos agrícolas. O destaque positivo dessa prática resulta da comprovação dos efeitos danosos dos adubos solúveis em junção com os elevados custos do petróleo e fertilizantes industriais. Diante disso Leguminosae tem sido a família mais utilizada como adubo verde, pois traz muitas vantagens tanto para o solo quanto para as plantas. Nesta família destaca-se a espécie Mucuna pruriens (L.) DC. (Leguminosae, Faboideae) como uma das mais utilizadas para esta prática. Entretanto o conhecimento sobre sua biologia e principalmente em relação aos aspectos da biologia floral e de seus agentes polinizadores acerca de várias espécies utilizadas como adubo verde são escassos. Assim este trabalho objetivou verificar aspectos da biologia floral e da polinização que influenciam a reprodução do adubo verde Mucuna pruriens. Para isso, foi inventariada a riqueza de visitantes florais e de polinizadores; verificada como a morfologia e a biologia floral influenciam no comportamento do polinizador e/ou visitante floral; e analisados os componentes de fecundidade de M. pruriens através de suas taxas de frutificação e formação de sementes. Para o estudo da biologia floral as flores foram observadas quanto ao seu período de floração e duração da antese. Visto também se ocorre mudança de coloração nas partes florais e receptividade estigmática em todos os estágios de desenvolvimento floral. Foi verificada a morfometria das flores mediante material preservado em FAA e in natura. Para o estudo morfo-anatômico da quilha foi utilizada a microscopia de luz e microscopia eletrônica de varredura. Os visitantes florais foram observados durante suas atividades de forrageamento e feito teste de autogamia para verificar a presença de autopolinização espontânea. Para os componentes de fecundidade foi verificada a diferença no desenvolvimento de frutos nas posições basal, mediana e apical das inflorescências, bem como a diferença na formação de sementes nas posições dos frutos. As flores de M. pruriens possuem antese de sete dias. São heteroclamídeas, com corola violácea, dialipétala e zigomorfa. É uma planta monóica com androceu diadelfo e gineceu simples. O gineceu e androceu ficam tensionados e confinados no interior da quilha. No ápice da quilha as pétalas são unidas e lignificadas apresentando uma membrana que se diferencia do tecido petalar. Foram observados indivíduos de Trigona spinipes (Fabr.) (Hymenoptera:    Apidae)    e indíviduos de Vespidae apresentando comportamento de pilhagem. Não houve diferença significativa entre o número de frutos desenvolvidos em relação à posição na inflorescência. Os abortos seletivos ocorreram em maior frequência na região basal das vagens de Mucuna pruriens. Mucuna pruriens, apresentou características que a distingue de outras espécies do gênero, uma vez que, não evidenciou necessidade de polinizadores para reprodução pela presença de autogamia. A presença da membrana no vértice da quilha, possivelmente ser o diferencial que proporciona a reprodução dessa espécie. Diante do estudo dos componentes de fecundidade, é possível detectar determinados problemas reprodutivos. Existe um grande investimento da M. pruriens na produção de flores para pouca formação de frutos ocorrendo uma grande perda de energia para garantir descendentes da espécie.

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Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior
The study was conducted in the Experimental Field of Embrapa Agrobiologia in Serop?dica, state of Rio de Janeiro, with the objectives: (a) evaluate different spatial arrangements of corn in monoculture or syndication with legumes, as the production of grains and nutrient intake of green incorporated biomass accumulated in the soil; (b) assess the residual effect of biomass built on the agronomic performance of sweet potato grown in succession. The treatments for the pre-cultivation were: corn sown in rows of individual spaced 1.0 m between them and double spaced rows of 1.5 m, with 0.5 m between each component; monoculture of corn with or without additional organic fertilizer of coverage (50 kg ha-1 total N in the form of "bed" of chicken), in consortium with corn Crotalaria juncea submitted to cut single or two cuts over the cycle, and corn in consortium with Mucuna pruriens. The crops were conducted in the body system, adopting to block randomized experimental design, involving the 10 treatments arranged in split plots, with four repetitions. Computaram is the biomass of the shoots of each species, as well as the productivity of corn grain in dry and sweet potato tubers of a commercial pattern. The management of Crotalaria juncea through cutting provided only increase the production of corn, compared to the monoculture without fertilization of coverage. Already the cuts parcelados of Crotalaria juncea undermined the productive performance of corn, but resulted in higher intake of biomass to the system. The sowing of Mucuna pruriens, 40 days after planting corn, did not affect the performance of the cereal. The productivity of corn was not influenced by the spatial arrangements evaluated. The performance of the sweet potato has no influence of any of the treatments related to pre-cultivation, production reaching above state and national averages disclosed. The inclusion of legumes green manure, via consortium with corn, is considered a viable option for its ability to provide significant input of organic matter, produced in situ, containing significant amounts of nutrients, especially nitrogen, with the potential to bring benefits in the medium deadline for subsequent commercial crops.
O estudo foi realizado no Campo Experimental da Embrapa Agrobiologia, em Serop?dica, estado do Rio de Janeiro, tendo por objetivos: (a) avaliar diferentes arranjos espaciais de milho, em monocultivo ou consorciado com leguminosas, quanto ? produ??o de gr?os e aporte de nutrientes acumulados na biomassa verde incorporada ao solo; e (b) avaliar o efeito residual dessa biomassa incorporada sobre o desempenho agron?mico da batata-doce cultivada em sucess?o. Os tratamentos relativos ao pr?-cultivo foram: milho semeado em fileiras individuais espa?adas de 1,0 m entre si e em fileiras duplas espa?adas de 1,5 m, com 0,5m entre cada componente; monocultivo do milho com ou sem aduba??o org?nica suplementar de cobertura (50 kg ha-1 de N total, na forma de cama de frango), milho em cons?rcio com Crotalaria juncea (crotal?ria) submetida a corte ?nico ou a dois cortes durante o ciclo, e milho em cons?rcio com Mucuna pruriens (mucuna cinza). As culturas foram conduzidas no sistema org?nico, adotando-se delineamento experimental de blocos casualizados, envolvendo os 10 tratamentos dispostos em parcelas subdivididas, com quatro repeti??es. Computaram-se as biomassas da parte a?rea de cada esp?cie, assim como a produtividade do milho em gr?os secos e da batata-doce em tub?rculos de padr?o comercial. O manejo da crotal?ria por meio de corte ?nico proporcionou aumento na produ??o do milho, em compara??o ao monocultivo sem aduba??o de cobertura. J? os cortes parcelados da crotal?ria prejudicaram o desempenho produtivo do milho, por?m resultaram em aporte superior de biomassa ao sistema. A semeadura da mucuna cinza, 40 dias ap?s o plantio do milho, n?o afetou o desempenho do cereal. A produtividade do milho tamb?m n?o foi influenciada pelos arranjos espaciais avaliados. O desempenho da batata-doce n?o sofreu influ?ncia de qualquer dos tratamentos relacionados ao pre-cultivo, alcan?ando produ??o acima das m?dias estadual e nacional divulgadas. A inclus?o das leguminosas para aduba??o verde, via cons?rcio com o milho, ? considerada uma op??o vi?vel por sua capacidade em prover expressivo aporte de mat?ria org?nica, produzida in situ, contendo significante quantidade de nutrientes, especialmente nitrog?nio, com potencial de trazer benef?cios no m?dio prazo para subsequentes culturas comerciais.