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2025

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Articles 1651 - 1652 of 1652

Full-Text Articles in Agronomy and Crop Sciences

Characterization Of Major Foliar Fungal Species Affecting Cucurbits In South Dakota, Janani Perera Waduwarage Dona Jan 2025

Characterization Of Major Foliar Fungal Species Affecting Cucurbits In South Dakota, Janani Perera Waduwarage Dona

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Cucurbit crops comprise the largest area in vegetable production in South Dakota (USDA 2022). Information on the prevalence, distribution, and fungicide sensitivity of their fungal pathogens are unknown. This study characterized the major foliar fungal species affecting cucurbits in South Dakota through a 2-year, state-wide survey. Between 2023 and 2024, 789 leaves were recovered from pumpkin, cucumber, watermelon, squash, and bottle gourd. Alternaria spp. (70.72% of leaves) Fusarium spp. (6.84%), Podosphaera xanthii (4.18%), both Alternaria spp. and Fusarium spp. (3.42%), and both Alternaria spp. and Podosphaera xanthii (1.90%), Stagonosporopsis spp. (1.27%) and other genera of fungi (4.94%) were identified using …


Performance Of The Dssat Manihot-Cassava Model For Cassava Cultivation In The Recôncavo Baiano, Diego M. De Melo, Paola De F. Bongiovani, Fabio L.S. Costa, Patricia Moreno-Cadena, Alexandre B. Heinemann, Julian Ramirez-Villegas, Mauricio A. Coelho Filho Jan 2025

Performance Of The Dssat Manihot-Cassava Model For Cassava Cultivation In The Recôncavo Baiano, Diego M. De Melo, Paola De F. Bongiovani, Fabio L.S. Costa, Patricia Moreno-Cadena, Alexandre B. Heinemann, Julian Ramirez-Villegas, Mauricio A. Coelho Filho

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The aim of the present study was to calibrate the DSSAT MANIHOT-Cassava model with information from cassava varieties grown in the Recôncavo Baiano region, Bahia state, Brazil. The database used to calibrate the model was obtained in the dry sub-humid tropical climate in Cruz das Almas city, from 2019 to 2020. The model was calibrated with experimental data obtained under irrigated and rainfed conditions for the BRS Novo Horizonte and Eucalipto varieties. The calibration was carried out by adjusting parameters related to the characteristics of each variety. Model performance was evaluated with statistical indices that indicate the precision and accuracy …