Heritability, Character Association and Genetic Advance in Six Agronomic and Yield Related Characters in Leaf Corchorus olitorius

Nwangburuka, C. C.; Denton, O. A.

doi:10.3923/ijar.2012.367.375

Cited by 39 publications

(43 citation statements)

References 9 publications

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“…These are important aspects to consider during selection of accessions with high leaf yield. Adebo et al [7] and Nwangburuka and Denton [14] reported number of leaves per plant, plant height at maturity, and harvest index as discriminating traits among C. olitorius accessions. In breeding for leafy vegetable, these materials can be used as parental stock.…”

Section: Discussionmentioning

confidence: 99%

“…Most accessions were characterized by light green and green leaf color. The presence of leaf lobe Leaf length-width ratio (LWR) The ratio of leaf length to leaf width (5) Petiole length (PL) Length of leaf stalk (cm) (6) Days to 50% flowering (50 FLR) Number of days from sowing to 50% flowering (7) Number of primary branches (PB) Number of branches from main stem (8) Number of secondary branches (SB) Number of branches from the secondary stem (9) Plant canopy (PC) Plant width taken at widest point (cm) (10) Flower diameter (FD) The width of an open flower (mm) (11) Pedicel length (PEDL) The stalk of the flower (mm) (12) Fruit length (FL) Length of mature fruit excluding the pedicel (13) Days to first mature pods (DMP) Number of days from sowing to first mature pod (14) Harvest index (HI) Ratio of total harvestable leaves to total weight of the plant (15) Number of leaves (NL) Counted from individual plant during flowering (16) Biomass yield (BY) Total weight of the plant above the ground surface (gm) (17) Number of pods/plant (NPP) Counted from individual plant at maturity stage (18) Weight of 1000 seeds (W1000S) Measured in weighing balance after counting (19) Seeds per pod (SP) Counted from individual pod (20) Cotyledon color (CC) (3) Light green, (5) green, (7) purplish green (21) Stem color (ST) (3) Brown, (5) green, (7) red-purple (22) Leaf color (LC) (1) Light green, (3) green, (5) dark green, (7) purple, (9) dark purple (23) Leaf lobe (LL) (0)Absent, (1) present (24) Setae (S) (1) Small, (2) large (25) Leaf shape (LS) (1) Ovate, (3) elliptical, (5) cordate, (7) palmate (26) Leaf base (LB) (1) Rounded, (3) sagittate, (5) acute (27) Leaf apex (LA) (1) Acuminate, (3) caudate, (5) acute, (7) pale brown (67%), brown (11.7%), and dark brown (21.3%). The accessions were also highly variable in terms of stipule color and petiole color.…”

Section: Variation In Qualitativementioning

confidence: 99%

“…Nwangburuka and Denton [14] reported significant differences among fifteen genotypes in terms of morphological traits such as plant height at maturity, number of leaves 2 International Journal of Agronomy per plant, fresh leaf weight, stem weight, total plant weight, and harvest index. Osawaru et al [20] used morphological traits and presence of soluble proteins to determine the relationship among three Corchorus species.…”

Section: Introductionmentioning

confidence: 99%

“…Few studies on genetics of leaf yield and its components have been conducted on Jute mallow; however, only few accessions have been used [11,14,20]. Benor et al [9] assessed patterns of morphological variation in Jute mallow accessions of Ethiopian origin and compared them with those from other parts of the world.…”

Section: Introductionmentioning

confidence: 99%

“…However, improvement programs on the Jute mallow as a vegetable, particularly C. olitorius and other wild relatives used as a vegetable in Africa, are very limited [14,15].…”

Section: Introductionmentioning

confidence: 99%

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Characterization of Morphological Diversity of Jute Mallow(Corchorus spp.)

Ngomuo

Stoilova

Feyissa

et al. 2017

International Journal of Agronomy

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Jute mallow is a traditional leaf vegetable that is an important part of daily diet for the majority of people in rural areas in sub-Saharan Africa. Here we employed quantitative and qualitative phenotypic traits to assess the morphological diversity of 90 accessions using univariate and multivariate analyses. Field experiments were conducted for two seasons to identify accessions suitable for leaf yield. The accessions were significantly variable in all traits. Highest variability among accessions was found in harvest index, biomass yield, and weight of 1000 seeds. The traits that significantly correlated with biomass yield include plant height ( = 0.448), petiole length ( = 0.237), primary branches ( = 0.319), and number of leaves per plant ( = 0.333). Principal component analysis showed that the first five PCs with eigenvalues ≥1 explained 72.9% of the total variability in the accessions. Pods per plant, primary branches, secondary branches, and number of leaves per plant accounted for highest variability in PC1. Cluster analysis grouped the accessions into five major clusters mainly based on their origin. Thus, the collection displayed high variation in morphological traits, particularly those related to leaf yield. These accessions are therefore useful in breeding for the improvement of the crop and germplasm management.

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Section: Discussionmentioning

confidence: 99%

Section: Variation In Qualitativementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…However, improvement programs on the Jute mallow as a vegetable, particularly C. olitorius and other wild relatives used as a vegetable in Africa, are very limited [14,15].…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations