Characterisation of resistance to crenate broomrape (<Emphasis Type="Italic">Orobanche crenata</Emphasis> Forsk.) in <Emphasis Type="Italic">Lathyrus cicera</Emphasis> L. |
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| Authors: | M Fernández-Aparicio D Rubiales |
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| Institution: | 1.Institute for Sustainable Agriculture,CSIC,Córdoba,Spain |
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| Abstract: | Field, pots and mini-rhizotrons experiments revealed the existence of useful levels of avoidance and resistance to Orobanche crenata Forsk. within Lathyrus cicera L. accessions, in addition to escape due to precocity or to reduced root biomass. This resistance was characterized by several
phenotypic mechanisms of defence which acted alone or in combination, including low stimulation of parasitic seed germination,
prevention of the radicle penetration inside the root and prevention of a correct connection by the parasite with the host
vascular tissue being visible by reduced development of established parasitic tubercles or abortion of the parasitic tubercles
formed. |
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