Integrating straw yield and quality into multi‐dimensional improvement of lentil (Lens culinaris)

Integrating straw yield and quality into multi‐dimensional improvement of lentil (Lens culinaris)

BACKGROUND Lentil straw is an important source of fodder for livestock in Africa, South Asia and the Middle East. However, improvement programmes of lentil do not pay attention to straw traits, neither are straw traits considered in release criteria of new varieties. This study aimed to determine wh...

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Bibliographic Details
Published in:Journal of the science of food and agriculture Vol. 97; no. 12; pp. 4135 - 4141
Main Authors: Alkhtib, Ashraf, Wamatu, Jane, Ejeta, T Tolemariam, Rischkowsky, Barbara
Format: Journal Article
Language:English
Published: Chichester, UK John Wiley & Sons, Ltd 01-09-2017
John Wiley and Sons, Limited
Subjects:
Acids
Animal Feed - analysis
Crop yield
Dietary Fiber - analysis
Digestibility
Dry matter
Energy intake
Feeds
Fodder
genetic variation
Genotype
Grain
In vitro methods and tests
Inbreeding
Lens Plant - chemistry
Lens Plant - genetics
Lens Plant - growth & development
lentil
Livestock
Nutritive Value
Organic matter
Pastures
Plant Stems - chemistry
Plant Stems - genetics
Plant Stems - growth & development
residue
Straw
Urea
genetic variation
grain
lentil
residue
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Summary:BACKGROUND Lentil straw is an important source of fodder for livestock in Africa, South Asia and the Middle East. However, improvement programmes of lentil do not pay attention to straw traits, neither are straw traits considered in release criteria of new varieties. This study aimed to determine whether straw traits can be integrated into multi‐trait improvement of lentil. RESULTS Wide genotypic variation (P < 0.001) was found in grain yield, straw yield and nutritive value of straw. Urea treatment significantly (P < 0.01) improved the nutritive value of straw; however, the genotypic range was comparatively higher by 13.3 units, 56 units, 0.82 units, 106 units, 18.3 units and 1.62 units in crude protein, in vitro organic matter digestibility, metabolisable energy, potential dry matter intake, potential crude protein intake and potential metabolisable energy intake respectively. Acid detergent fibre correlated very strongly (pooled r = 0.87) with other nutritive value parameters of straw, therefore, it can be used to screen lentil varieties for fodder quality. Furthermore, acid detergent fibre can accurately predict in vitro organic matter digestibility (R2 = 0.9) and metabolisable energy (R2 = 0.8). Straw yield weakly correlated (r = 0.39, P < 0.001) with grain yield while no relation (P > 0.05) was found between grain yield. CONCLUSION The possibility to simultaneously improve grain yield and nutritive traits of lentil straw. © 2017 Society of Chemical Industry
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ISSN:0022-5142
1097-0010
DOI:10.1002/jsfa.8282