OMICS in Fodder Crops: Applications, Challenges, and Prospects
2022
Pawan Kumar | Jagmohan Singh | Gurleen Kaur | Paul Motunrayo Adunola | Anju Biswas | Sumandeep Bazzer | Harpreet Kaur | Ishveen Kaur | Harpreet Kaur | Karansher Singh Sandhu | Shailaja Vemula | Balwinder Kaur | Varsha Singh | Te Ming Tseng
Biomass yield and quality are the primary targets in forage crop improvement programs worldwide. Low-quality fodder reduces the quality of dairy products and affects cattle’s health. In multipurpose crops, such as maize, sorghum, cowpea, alfalfa, and oat, a plethora of morphological and biochemical/nutritional quality studies have been conducted. However, the overall growth in fodder quality improvement is not on par with cereals or major food crops. The use of advanced technologies, such as multi-omics, has increased crop improvement programs manyfold. Traits such as stay-green, the number of tillers per plant, total biomass, and tolerance to biotic and/or abiotic stresses can be targeted in fodder crop improvement programs. Omic technologies, namely genomics, transcriptomics, proteomics, metabolomics, and phenomics, provide an efficient way to develop better cultivars. There is an abundance of scope for fodder quality improvement by improving the forage nutrition quality, edible quality, and digestibility. The present review includes a brief description of the established omics technologies for five major fodder crops, i.e., sorghum, cowpea, maize, oats, and alfalfa. Additionally, current improvements and future perspectives have been highlighted.
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