Food and Energy Security

Cover image for Vol. 4 Issue 1

Early View (Online Version of Record published before inclusion in an issue)

Edited By: Professor Martin Parry, Rothamsted Research

Online ISSN: 2048-3694


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  1. Reviews

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      Climate change and eastern Africa: a review of impact on major crops

      Umesh Adhikari, A. Pouyan Nejadhashemi and Sean A. Woznicki

      Article first published online: 27 JUN 2015 | DOI: 10.1002/fes3.61

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      “We reviewed projected climate change, summarized the impact on major crops, identified the major research gaps, and suggested potential adaptation measures for East Africa. This article is expected to be a valuable reference for policy makers and researchers in directing future studies.”

  2. Editorial

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  3. Original Research

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      Fruiting efficiency: an alternative trait to further rise wheat yield

      Gustavo A. Slafer, Mónica Elia, Roxana Savin, Guillermo A. García, Ignacio I. Terrile, Ariel Ferrante, Daniel J. Miralles and Fernanda G. González

      Article first published online: 28 MAY 2015 | DOI: 10.1002/fes3.59

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      Fruiting efficiency (grains set per unit of spike dry weight at anthesis) is an alternative trait to further increase grain number and yield. We described fruiting efficiency and its physiological bases, analyzed genetic variation, and considered potential drawbacks that must be taken into account to avoid increases in fruiting efficiency being compensated by other traits. Interestingly, this trait not only presents genetic variation within elite material and shows transgressive segregation but also seem to be responsive to selection; which is illustrated in the scheme, describing the outcomes of an experimental divergent selection for (a proxy of) fruiting efficiency. There was a positive response to selection, enlarged throughout the generations, which produced individual plants with enhanced reproductive output which did translate into the performance at the crop level of organization.

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      Alternate wetting and drying irrigation maintained rice yields despite half the irrigation volume, but is currently unlikely to be adopted by smallholder lowland rice farmers in Nepal

      Katharine R. Howell, Pitambar Shrestha and Ian C. Dodd

      Article first published online: 22 MAY 2015 | DOI: 10.1002/fes3.58

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      An on-farm field trial of rice under alternate wetting and drying (AWD) irrigation in Nepal found that yields of AWD plots did not differ significantly from continuously flooded plots despite receiving 57% less irrigation water. However, surveys found that local farmers currently have few incentives to adopt formal AWD practices.

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      Selection of soybean lines exhibiting resistance to stink bug complex in distinct environments

      Fabiani da Rocha, Caio Canella Vieira, Mônica Christina Ferreira, Kênia Carvalho de Oliveira, Fabiana Freitas Moreira and José Baldin Pinheiro

      Article first published online: 18 MAY 2015 | DOI: 10.1002/fes3.57

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      Stink bugs are considered key pests of soybean, because they feed directly on reproductive parts of the plant, causing damage to the seeds and pods. In Brazil, the damage is caused by three main species, Nezara viridula, Piezodorus guildinii and Euschistus heros. To avoid substantial economic losses, chemical control is widely used. However, this method cause impact to the environment; cases of insect resistance to insecticides have been identified, some active ingredients were banned in Brazil and there is no prevision to launch new insecticides. In this scenario, the development of soybean cultivars with resistance to stink bug is really important to maintain or grow the soybean yield with sustainability.


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