Crenate broomrape ( Orobanche crenata) infection in field pea cultivars

Orobanche crenata is a major constraint for winter pea production in Mediterranean and East Asian countries. Screening for resistance performed under field conditions in 20 field pea cultivars showed that very low levels of genetic resistance were available. The resistance proved to be highly influe...

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Bibliographic Details
Published in:Crop protection 2003, Vol.22 (6), p.865-872
Main Authors: Rubiales, D, Pérez-de-Luque, A, Cubero, J.I, Sillero, J.C
Format: Article
Language:English
Subjects:
Broomrape
Chemical control
control methods
cultivars
environmental factors
Genetic resistance
Imazethapyr
Orobanche crenata
Pea
peas
Pisum sativum
prometryn
screening
sowing
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Summary:Orobanche crenata is a major constraint for winter pea production in Mediterranean and East Asian countries. Screening for resistance performed under field conditions in 20 field pea cultivars showed that very low levels of genetic resistance were available. The resistance proved to be highly influenced by environmental conditions and needs to be supplemented with other control measures. Infection is greatly reduced in later sowing being highest in plots sown by October–December, and much reduced in plots sown by January–February. Imazethapyr applied pre- and post-emergence of the late crop sowings significantly reduced the infection and increased yield.
ISSN:0261-2194
1873-6904
DOI:10.1016/S0261-2194(03)00070-X