Phenological growth stages of underutilised crop yam bean (Pachyrhizus erosus L. Urban) according to the extended BBCH scale

Yam bean (Pachyrhizus erosus (L.) Urban) is an underutilised tuberous legume crop which has great potential as a food crop. As a root crop, it produces high yields and as a legume, it can produce protein‐rich food. The phenological growth stages of yam bean are first described here using BBCH (Biolo...

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Bibliographic Details
Published in:Annals of applied biology 2020-11, Vol.177 (3), p.417-423
Main Authors: Pati, Kalidas, Kaliyappan, Raja, Chauhan, Vijay Bahadur Singh, Bansode, Venkatraman, Nedunchezhiyan, Maniyam, Hegde, Vivek, Koundinya, Ayyagari V. V.
Format: Article
Language:English
Subjects:
BBCH scale
Beans
Crop improvement
Crop management
Crop yield
Crops
Developmental stages
Elongation
Flowering
Food
Germination
Germplasm
Legumes
Pachyrhizus erosus
phenology
Ripening
Senescence
Shoots
underutilised crop
yam bean
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Summary:Yam bean (Pachyrhizus erosus (L.) Urban) is an underutilised tuberous legume crop which has great potential as a food crop. As a root crop, it produces high yields and as a legume, it can produce protein‐rich food. The phenological growth stages of yam bean are first described here using BBCH (Biologische Bundesanstalt, Bundessortenamnt and Chemische Industrie) scale. We have developed a basic and extended numerical BBCH scale for the identification of different phenological growth stages of yam bean. All phenological stages, including germination (stage 0), leaf development (stage 1), formation of side shoots (stage 2), stem elongation (stage 3), tuber formation (stage 4), inflorescence emergence (stage 5), flowering (stage 6), development of pods (stage 7), ripening of pods (stage 8) and senescence (stage 9) are described using the BBCH scale. This BBCH phenological study in yam bean will be helpful for better crop management, crop improvement and characterisation of germplasm. This scale will also be useful for the yield enhancement of this crop as an emerging underutilised tuber crop. Roots and tubers are second in importance for human nutrition after cereals. Yam bean is an attractive crop because as a root crop it produces high yields and as a legume, it will produce protein‐rich food. We have developed a basic and an extended numerical BBCH scale for identification of different phenological growth stages of yam bean. The phenological growth stages of yam bean were first described here using BBCH scale.
ISSN:0003-4746
1744-7348
DOI:10.1111/aab.12637