Abstract：
:Maize rough dwarf virus (MRDV) is one of the main yield-limiting factors of maize in the Mediterranean. However, knowledge about the interactions between the agroecosystem and the virus-vector-host relationship continues to be limited. We used multi-model inference to test a landscape-scale approach together with variables measured in the field, and we estimated the effects of early and late planting on MRDV incidence. The results revealed that the virus incidence increased by 3% when the planting was delayed, and this increase was coincident with the first peak of the vector population. The variables at the field and landscape scales with a strong effect on virus incidence were the proportions of grasses in adjacent crops, in uncultivated areas, and in edges close to maize plants. Grass plant cover in the edges also affected virus incidence, but these effects varied with the planting period. These findings provide new insights into the causes of MRDV incidence and may provide some guidance to growers to reduce losses caused by the virus. Among the recommendations to be prioritized are early planting, management of grasses at field edges, and non-overlapping cultivation of maize and winter cereals in the same area.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Clemente-Orta G,Albajes R,Batuecas I,Achon MAdoi
10.1038/s41598-020-79994-5subject
Has Abstractpub_date
2021-01-13 00:00:00pages
977issue
1issn
2045-2322pii
10.1038/s41598-020-79994-5journal_volume
11pub_type
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