Zinc (Zn), iron (Fe), magnesium (Mg), and calcium (Ca) in chickpea seed are important constituents in vegetarian diets. The aim was to investigate associations of these nutrients in diVerent chickpea (Cicer arietinum L
Lentil (Lens culinaris Medik.) is a grain legume crop grown under no-tillage (NT) management and rhizobia inoculation in the northern Great Plains. Our goal was to characterize pod growth characteristics to understand yield formation in North American short-season cultivars. Objectives were to compare pods on nodes during early and late reproductive growth through flower and pod number, pod setting percentage, pod growth rate, effective pod-filling period, and final pod size, and to test if N fertility could increase pod numbers and pod growth under NT management. Two field experiments, Study 1 and Study 2, were conducted at Saskatoon and Indian Head, SK, in western Canada. For Study 1, cultivar CDC Sedley was treated with 0-60 kg N ha −1 on long-term NT fields for 3 yr (2006)(2007)(2008). For Study 2, eight cultivars from three maturity classes were grown under control, inoculant, and N fertilizer regimes under NT at Saskatoon (2006 and2007). Lentil set more yield in early-flowering nodes via flower number, with 2.6 flowers node −1 . Late nodes had fewer (2.1) flowers but the same pod setting percentage of 80% for CDC Sedley, and a lower percentage across eight cultivars. Late nodes produced pods with greater growth rates and shorter filling times, resulting in fewer but similar sized pods. The largest pods were found on nodes with fewer flowers and when moisture was adequate during filling. Drought stress in 2007 occurred and lowered pod setting to 60% and shortened the effective pod-filling period during late reproductive drought. During the two wet years, higher N rates increased late-season pod growth rate, but not flower numbers. An increase in late node and flower production may further improve yield, particularly in largeseeded cultivars.Abbreviations: EFP, effective pod-filling period; NT, no-tillage; PGR, pod growth rate; SET, pod setting.
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