1,721,001 research outputs found

    Common Tomato High Tunnel Production Diseases in Florida

    No full text
    This new 7-page article provides a concise overview of some influential high-tunnel tomato soilborne and foliar diseases and their cultural management techniques. Written by Zachary D. Eldred, Shufang Tian, Gary E. Vallad, Xin Zhao, Mathews Paret, and Nicholas S. Dufault and published by the UF/IFAS Plant Pathology Department. https://edis.ifas.ufl.edu/pp36

    2018 Vegetable Production Handbook Chapter 4: Integrated Pest Management

    No full text
    This 11-page fact sheet is the fourth chapter in the 2018 Vegetable Production Handbook. Peter J. Dittmar, Nicholas S. Dufault, Joseph W. Noling, Philip Stansly, Nathan Boyd, Matthews L. Paret, and Susan E. Webb, and published by the Horticultural Sciences Department, 2018. CV298/CV298: Chapter 4. Integrated Pest Management (ufl.edu

    2018 Vegetable Production Handbook Chapter 4: Integrated Pest Management

    No full text
    This 11-page fact sheet is the fourth chapter in the 2018 Vegetable Production Handbook. Peter J. Dittmar, Nicholas S. Dufault, Joseph W. Noling, Philip Stansly, Nathan Boyd, Matthews L. Paret, and Susan E. Webb, and published by the Horticultural Sciences Department, 2018. CV298/CV298: Chapter 4. Integrated Pest Management (ufl.edu

    2018 Vegetable Production Guide Chapter 6: Cole Crop Production

    No full text
    This 21-page fact sheet is chapter 6 of the 2018 Vegetable Production Handbook. Written by Lincoln Zotarelli, Peter J. Dittmar, Monica Ozores-Hampton, Nicholas S. Dufault, Bonnie Wells, Johan Desaeger, Joseph W. Noling, Eugene J. McAvoy, Qingren Wang, and Christian F. Miller, and published by the Horticultural Sciences Department, 2018. HS724/CV122: Chapter 6. Cole Crop Production (ufl.edu

    2018 Vegetable Production Guide Chapter 6: Cole Crop Production

    No full text
    This 21-page fact sheet is chapter 6 of the 2018 Vegetable Production Handbook. Written by Lincoln Zotarelli, Peter J. Dittmar, Monica Ozores-Hampton, Nicholas S. Dufault, Bonnie Wells, Johan Desaeger, Joseph W. Noling, Eugene J. McAvoy, Qingren Wang, and Christian F. Miller, and published by the Horticultural Sciences Department, 2018. HS724/CV122: Chapter 6. Cole Crop Production (ufl.edu

    Seasonal progression of leaf rust in Niagara Rosada grapevine in a biannual crop system in Brazil.

    Full text link
    Grapevine leaf rust, which is caused by the fungus Phakopsora euvitis, is an important late-season disease of ?Niagara Rosada? (Vitis labrusca) grapevine in Brazil. The early defoliation of plants caused by the disease impairs fruit ripening and reduces marketable yield. In a study carried out in northern Paraná State, the temporal progression of grapevine leaf rust was quantified in a production system of ?Niagara Rosada? grapevine with two growing seasons per year: mid-summerautumn and late winter-spring. The influence of weather-related variables on rust progression was examined through correlation analyses. It was observed that the rust was more severe in summer-autumn than in winter-spring. Significant positive linear correlations (P ≤ 0.05) were found between rust severity and rainfall (r ≥ 0.90) and average daily hours of leaf wetness (r ≥ 0.82). In addition, negative correlation was found between rust severity and temperature (r≥ −0.84) in the mid-summer/autumn season. Mild temperatures in autumn were considered decisive for rust progression. In Brazilian tropical viticulture, management strategies for grapevine leaf rust must consider the risk of rust damage in autumn caused by temperature

    Management of Cucurbit Downy Mildew in Florida

    No full text
    Cucurbit downy mildew is a major disease that affects over 40 species of cucurbits, like watermelon, muskmelon, cucumber, squash, and pumpkin. The classic sign of the disease is the presence of dark sporangia, a structure that holds developing spores, on the underside of infected leaves. As the disease progresses, it may lead to large necrotic areas that cause defoliation and a reduction of yield and marketable fruit. This nine-page fact sheet describes the symptoms and signs, epidemiology and disease cycle, host range and pathotypes, and the ways to manage cucurbit downy mildew. Written by Mason J. Newark, Mathews L. Paret, Nicholas S. Dufault, Pamela D. Roberts, Shouan Zhang, Gary E. Vallad, Josh Freeman, and Gene McAvoy, and published by the Plant Pathology Department. http://edis.ifas.ufl.edu/pp325 Updated July 2019

    Going Beyond Counting First Authors in Author Co-citation Analysis

    Full text link
    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed

    Variations on the Author

    Full text link
    “Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
    corecore