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dc.contributor.authorZhou, Yi
dc.contributor.authorChen, Chengci
dc.contributor.authorFranck, William L.
dc.contributor.authorKhan, Qasim
dc.contributor.authorFranck, Sooyoung
dc.contributor.authorCrutcher, Frankie K.
dc.contributor.authorMcVay, Kent
dc.contributor.authorMcPhee, Kevin
dc.identifier.citationZhou, Y., Chen, C., Franck, W. L., Khan, Q., Franck, S., Crutcher, F. K., McVay, K., & McPhee, K. (2023). Intercropping chickpea–flax for yield and disease management. Agronomy Journal, 115, 726– 743.
dc.description.abstractAscochyta blight (caused by Ascochyta rabiei) is a primary concern of chickpea production worldwide. Intercropping chickpea with a non-host crop has the potential to suppress this disease and improve resource use efficiency for enhanced crop yield. This study aimed to evaluate the effects of seeding rate and row configuration of chickpea (Cicer arietinum L.)–flax (Linum usitatissimum L) intercropping on (1) yield and seed quality, (2) disease incidence and severity of Ascochyta blight of chickpea, and (3) land productivity of this intercropping system. Field trials were conducted at the Eastern Agricultural Research Center, Sidney, MT, and the Southern Agricultural Research Center, Huntley, MT, in 2020 and 2021. Chickpea was planted with flax in four intercropping configurations (70% chickpea–30% flax in mixed rows, 50% chickpea–50% flax in alternate rows, 50% chickpea–50% flax in mixed rows, and 30% chickpea–70% flax in mixed rows). Chickpea yield decreased with increased flax proportion in the mixed rows intercrop. Flax displayed higher competitiveness than chickpea, resulting in decreased yield and protein concentration in chickpea but increased yield and protein content in flax. Land equivalent ratio of intercropping was greater than one, showing improved land productivity (2%–23% greater than monocropping). Intercropping reduced Ascochyta blight disease incidence and severity; the 50% chickpea–50% flax and 30% chickpea–70% flax intercropping configurations could reduce the disease severity to 50% (in Huntley) and 67% (in Sidney) of that in the monocropping. These results indicated that seed ratio and planting configurations of chickpea–flax intercropping may be manipulated to increase land use efficiency and reduce Ascochyta blight in chickpea. Canadian Development Center ‘CDC Leader’ yielded greater than Royal in the higher disease pressure environment in Huntley indicated that selection of disease resistant cultivars is important for managing Ascochyta blight in chickpea.en_US
dc.subjectdisease managementen_US
dc.titleIntercropping chickpea–flax for yield and disease managementen_US
mus.citation.journaltitleAgronomy Journalen_US
mus.relation.collegeCollege of Agricultureen_US
mus.relation.departmentResearch Centers.en_US
mus.relation.universityMontana State University - Bozemanen_US

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