Modified plant architecture to enhance crop disease control: genetic control and possible value of upright fruit positio
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Modified plant architecture to enhance crop disease control: genetic control and possible value of upright fruit position in cucumber Rebecca Grumet & Marivi Colle & Kaori Ando & Da-Sen Xie & Laura Havenga & Jessica A. Switzenberg
Accepted: 10 September 2012 # KNPV 2012
Abstract Plant architectural features can facilitate disease control by creating unfavourable environments for pathogen growth or limiting pathogen contact with the host. In the case of Phytophthora capsici infection of cucumber (Cucumis sativus), the susceptible fruit typically lie in contact with soil under warm, moist conditions of a full canopy, an ideal location for exposure to inoculum and disease development. We have shown that Electronic supplementary material The online version of this article (doi:10.1007/s10658-012-0087-1) contains supplementary material, which is available to authorized users. R. Grumet (*) : M. Colle : K. Ando : D.-S. Xie : L. Havenga : J. A. Switzenberg Department of Horticulture and Graduate Program in Plant Breeding, Genetics and Biotechnology, Michigan State University, Plant and Soil Sciences Building, 1066 Bogue Street, East Lansing, MI 48824, USA e-mail: [email protected] Present Address: K. Ando Department of Crop and Soil Science, Washington State University, Pullman, WA 99164, USA Present Address: D.-S. Xie Vegetable Research Institue, Guangdong Academy of Agricultural Sciences (GDAAS), No. 31, HanJing Rd., Guangzhou, Guangdong Province, People’s Republic of China
increased row spacing, trellising and architectural variants that allow for more open canopies, such as shorter vines, reduced branching, or smaller leaves, can modify microclimate as assessed by temperature at the location of developing fruits. However, only trellising reduced infection rates (
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