Study on toxigenic mycoflora and potential mitigation effect of Christmas Melon (Laganaria Breviflorus) extract in unpolished rice sold in Abeokuta Ogun state of Nigeria was carried out. Unpolished rice gotten from markets in Abeokuta were aseptically transported to the laboratory, serial dilution to reduce the fungal load was carried out and were plated on Potato Dextrose Agar (PDA) and Methyl Red Dessicated Coconut Agar (MRDCA) respectively. Microscopy, macroscopy, toxigenicity test and inhibition studies with the peeled and unpeeled fruit of Laganaria breviflorus fermented for seven days was carried out. Results reveal the predominance of Aspergillus as the major genera, specifically, A. niger, A.flavus, A. parasiticus, A. fumigatus, A. terreus, A. nidulans. Other fungi genera isolated include Penicillium, F`usarium, Mucor, Alternaria and Rhizopus . Of the 11 fungi genera isolated, 9 were toxigenic of which the zones of inhibition of unpeeled whole fruit extract of Laganaria breviflorus range from (3 - 28mm) where A. nidulans shows the highest susceptibility to the whole fruit extract of Laganaria breviflorus while the zone of inhibition of peeled fruit extract of Laganaria breviflorus ranges from (3 - 22mm) where A. parasiticus, Fusarium specie and P.chrysogenum showed the highest susceptibility . As the day progresses the zone of inhibition becomes wider. Unpeeled LB extract exhibited more zones of inhibition than the peeled LB extract. Laganaria breviflorus fruit extracts in the study demonstrates a potential in reducing toxigenic fungi, consequently a means to reducing mycotoxins in staple foods in Nigeria.

Celem artykułu jest przedstawienie techniki wyboru metody porządkowania liniowego obiektów ze względu na poziom zjawiska złożonego jakim jest stan gospodarki odpadami w województwach Polski. Do realizacji tego celu wyselekcjonowano cechy diagnostyczne opisujące badane zjawisko oraz wytypowano metody porządkowania liniowego. Następnie wykorzystując procedurę wyboru metody porządkowania dokonano wytypowania sposobu konstrukcji cechy syntetycznej, który pozwolił zbudować ranking województw ze względu na poziom analizowanego zjawiska. W dalszej kolejności dokonano podziału województw na cztery grupy: bardzo wysokiego, wysokiego, przeciętnego i niskiego poziomu rozwoju omawianego zjawiska. Badania pokazały, że wybór procedury konstrukcji cechy syntetycznej wpływa na ranking badanych obiektów. Otrzymany ranking pozwala sformułować wniosek, iż gospodarka odpadami w Polsce jest regionalnie zróżnicowana. | The aim of the article is to present the technique of selection of the method of the linear ordering of objects due to the level of a complex phenomenon, which is the status of waste management in voivodeships in Poland. For this purpose there were selected diagnostic variables describing the analyzed phenomenon and linear ordering methods were selected. Then, using the selection procedure for ordering methods, it was chosen the method of construction of a synthetic variable, that allowed to build ranking of voivodeships due to the level of the analyzed phenomenon. Then the voivodeships were divided into four groups: very high, high, average and low level of the discussed phenomenon. The research showed that the selection of procedure for the construction of synthetic variable affects the ranking of tested objects. The obtained ranking allows to conclude that waste management in Poland is regionally differentiated. | metoda porządkowania liniowego, cecha syntetyczna, odpady komunalne | linear ordering method, synthetic variable, municipal waste | 13 | 183-192 | 2

The aim of the article is to present the technique of selection of the method of the linear ordering of objects due to the level of a complex phenomenon, which is the status of waste management in voivodeships in Poland. For this purpose there were selected diagnostic variables describing the analyzed phenomenon and linear ordering methods were selected. Then, using the selection procedure for ordering methods, it was chosen the method of construction of a synthetic variable, that allowed to build ranking of voivodeships due to the level of the analyzed phenomenon. Then the voivodeships were divided into four groups: very high, high, average and low level of the discussed phenomenon. The research showed that the selection of procedure for the construction of synthetic variable affects the ranking of tested objects. The obtained ranking allows to conclude that waste management in Poland is regionally differentiated. / Synopsis. Celem artykułu jest przedstawienie techniki wyboru metody porządkowania liniowego obiektów ze względu na poziom zjawiska złożonego jakim jest stan gospodarki odpadami w województwach Polski. Do realizacji tego celu wyselekcjonowano cechy diagnostyczne opisujące badane zjawisko oraz wytypowano metody porządkowania liniowego. Następnie wykorzystując procedurę wyboru metody porządkowania dokonano wytypowania sposobu konstrukcji cechy syntetycznej, który pozwolił zbudować ranking województw ze względu na poziom analizowanego zjawiska. W dalszej kolejności dokonano podziału województw na cztery grupy: bardzo wysokiego, wysokiego, przeciętnego i niskiego poziomu rozwoju omawianego zjawiska. Badania pokazały, że wybór procedury konstrukcji cechy syntetycznej wpływa na ranking badanych obiektów. Otrzymany ranking pozwala sformułować wniosek, iż gospodarka odpadami w Polsce jest regionalnie zróżnicowana.

There are many viruses that infect pepper and limit its production. Among these viruses, Tomato spotted wilt tospovirus (TSWV) infects crops in 35 plant families that are economically important, including pepper. In the present study; totaly 156 leaf samples were collected, including 57 from pepper plants showing virus-like symptoms and 99 from weeds and/or plants other than peppers in and around the greenhouse, through surveys carried out in pepper greenhouses in Kumluca district of Antalya province, from September to December 2020. Then, the plant leaf samples were tested to determine TSWV infections by the Double Antibody Sandwich Enzyme-linked Immunosorbent Assay (DAS-ELISA) method. According to result of the tests, it was determined that 55.76% of the tested leaf samples were infected with TSWV, while this rate was determined as 96.49% for pepper samples and 32.32% for other plant samples. During the survey studies, it was revealed that the leaf samples of 13 out of 31 weed and different plant species except pepper were infected with at least one of the viruses. In addition, pepper plants showing symptoms TSWV-like symptoms in pepper greenhouses were counted during the survey, and the prevalence of this virus disease was calculated on the basis of Kumluca district and neighborhoods. As a result of these calculations, the prevalences of TSWV; for Kumluca, Mavikent, Beykonak, Salur, Hacıveliler, Adrasan, Merkez, and Kavakköy were determined as 26.93%, 26.92%, 32.27%, 20.66%, 21.13%, 17.66%, 13%, and 25%, respectively.

Este estudio abordó el metabolismo del N, mediado por prácticas agroecológicas como los abonos verdes (AV), que incluyen leguminosas asociadas con rizobios -micorriza arbuscular y mejoran la nutrición de nitrógeno y fósforo. Se evaluó su influencia en la dinámica del nitrógeno de un Typic Haplustert en Candelaria (Colombia). En bloques completos al azar con seis repeticiones, se asoció como AV Mucuna pruriens L. var. Utilis – Zea mays L. var. ICA 305 (tratamiento 1- T1) y, la arvense nativa Rottboellia cochinchinensis L. como Tratamiento 2 – T2. En prefloración de M. pruriens se evaluó en el suelo el contenido de C orgánico (CO), N total (NT), nitrato, amonio, número de copias de gen amoA de las bacterias oxidantes de amonio (BOA), porosidad total del suelo (PPA), temperatura, flujo de gases con efecto invernadero: metano (CH4), dióxido de carbono (CO2) y óxido nitroso (N2O); la materia seca (MS) y el contenido de C, N y P en tejidos vegetales. Se registraron concentraciones significativamente (p

Este estudio abordó el metabolismo del N, mediado por prácticas agroecológicas como los abonos verdes (AV), que incluyen leguminosas asociadas con rizobios -micorriza arbuscular y mejoran la nutrición de nitrógeno y fósforo. Se evaluó su influencia en la dinámica del nitrógeno de un Typic Haplustert en Candelaria (Colombia). En bloques completos al azar con seis repeticiones, se asoció como AV Mucuna pruriens L. var. Utilis - Zea mays L. var. ICA 305 (tratamiento 1- T1) y, la arvense nativa Rottboellia cochinchinensis L. como Tratamiento 2 - T2. En prefloración de M. pruriens se evaluó en el suelo el contenido de C orgánico (CO), N total (NT), nitrato, amonio, número de copias de gen amoA de las bacterias oxidantes de amonio (BOA), porosidad total del suelo (PPA), temperatura, flujo de gases con efecto invernadero: metano (CH4), dióxido de carbono (CO2) y óxido nitroso (N2O); la materia seca (MS) y el contenido de C, N y P en tejidos vegetales. Se registraron concentraciones significativamente (p<0.05) altas de CO, NT, amonio y nitrato, en T2. BOA fue significativamente mayor en T1, coincidiendo con mayor PPA y menor temperatura del suelo. El CO2 atmosférico fue significativamente menor en T1, mientras que CH4 y N2O alcanzaron los valores más altos. Al finalizar el ensayo, AV en T1 aportó cerca de 4 t MS/ha, 1668.3 kg C/ha, 78.7 kg N/ha y 11.0 kg P/ha, con beneficio económico-social de 9.2 ton choclo/ha. | This study provided knowledge about the agro-ecosystem N dynamics mediated by the use of agroecological practices such as GM. GM is established as legume its symbiotic action with soil rhizobia and arbuscular mycorrhiza formation, allows the cycling of nitrogen and phosphorus, among others. This study aimed at evaluating the influence of GM in the nitrogen dynamics of a Typic Haplustert located in the municipality of Candelaria (Colombia). In completely randomized blocks design with six replications, the GM coming from the intercropping Mucuna pruriens var utilis - Zea mays L. var. ICA 305 was established as T1 treatment and the native arvense Rottboellia cochinchinensis L. as T2, during the second half of year 2011. During the stage of preflowering of M. pruriens the content of organic C (OC) was evaluated as well as total N (TN), nitrate, ammonium, number of copies of amoA gene of ammoniaoxidizing bacteria, total porosity filled with water (TPW), temperature, flow of greenhouse gases: methane (CH4), carbon dioxide (CO2) and nitrous oxide (N2O), as well as the dry matter (DM) and the contents of C, N and P in plant tissues. Significantly higher concentrations (p <0.05) of CO, NT, ammonium and nitrate, were recorded in T2. The number of oxidizing bacteria of ammonium was significantly higher in T1 which coincided with the higher TPW and the lower soil temperature. The emission of atmospheric CO2 was significantly lower in T1, in contrast to the CH4 and N2O which scored the highest values. At the end of the trial, the GM in T1 provided about 4 t MS / ha, 1668.3 kg C / ha, 78.7 kg N / ha and 11.0 kg P / ha, with social economic benefit of 9.2 t corn/ha.

Bu araştırmada, Kütahya il ve ilçelerinde çerezlik kabak çekirdeği üretimine başlayan üretici arazilerinin toprak özelliklerinin, hasat edilen tohumların özellikleri üzerine etkileri araştırılmıştır. Bu amaçla, Kütahya Tarım ve Orman İl Müdürlüğü’nün çiftçilere çerezlik kabak tohumluğu dağıttığı tarlalardan (44 adet) ekim öncesi toprak örnekleri alınmıştır. Toprak analizleri yapılmış ve elde edilen sonuçlara göre dekara 10 kg azot (N), 30 kg fosfor (P2O5), 11 kg potasyum (K2O) ve eksikliği belirlenen mikro elementleri yeterli seviyeye getirecek miktarda gübre önerilmiştir. Bu araştırma ile hasat edilen kabak tohumlarının verimi, morfolojik özellikleri, yağ ve protein içeriği belirlenmiştir. Araştırma alanındaki toprakların çoğunlukla killi tınlı, kireçli, organik madde içeriğinin orta, N içeriğinin yeterli, P içeriği yetersiz olarak belirlenmiştir. Toprakların mikro element içerikleri ise Fe ve Cu yeterli, Mn ve Zn çok az, B ise yeterli olduğu bulunmuştur. Kabak tohumlarının iç kısmının protein içeriği %22,6 ile 45,8 ve yağ oranı %41,48 ile 54,13 değerleri arasında değişmiştir. Bazı yetiştiricilerin ürettiği çerezlik kabak tanelerinin 100 tohum ağırlıklarının iri kalite sınıfına girdiği belirlenmiştir. Araştırma verileri, büyüme ortamı olan toprak özelliklerinin ve iklim koşullarının kabak çekirdeğinin protein ve yağ içeriğine doğrudan etkisinin çok fazla olduğu sonucuna varılmıştır.

Based on the information provided by the Encuesta de Caracterización Socioeconómica Nacional (CASEN) (National Socioeconomic Characterization Survey) of 1990 and 2013, the reconfigurations of the Chilean countryside are analyzed in terms of their demographic trends and labor market restructuring. An ongoing process of depopulation and aging of the rural population is found. Agricultural activities of the rural labor market become less relevant both in terms of jobs and income, showing a strong process of deagrarianisation, salaried workers and feminization of the labor market.

Resumen: Con base a la información proporcionada por la Encuesta de Caracterización Socioeconómica Nacional de los años 1990 y 2013, se analizan las reconfiguraciones del espacio rural chileno, en cuanto a las reestructuraciones del mercado laboral chileno. Se constata un continuo proceso de despoblamiento y envejecimiento de la población rural. Las actividades agropecuarias del mercado laboral rural cobran menor relevancia en términos de empleos e ingresos, observándose un fuerte proceso de desagrarización, asalarización y feminización del mercado del trabajo. | Abstract: Based on the information provided by the Encuesta de Caracterización Socioeconómica Nacional (CASEN) (National Socioeconomic Characterization Survey) of 1990 and 2013, the reconfigurations of the Chilean countryside are analyzed in terms of their demographic trends and labor market restructuring. An ongoing process of depopulation and aging of the rural population is found. Agricultural activities of the rural labor market become less relevant both in terms of jobs and income, showing a strong process of deagrarianisation, salaried workers and feminization of the labor market.