Genes in wheat varieties mapped |ForumIAS

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News:The Pune-based Agharkar Research Institute(ARI) has mapped two alternative dwarfing genes Rht14 and Rht18 in wheat.

Facts:

Rht14 and Rht18: These are two alternative dwarfing genes in wheat associated with better seedling vigour and longer coleoptiles (sheath protecting the young shoot tip).
Significance: They can reduce crop residue burning and can also allow deeper sowing of wheat seeds to avail advantage of residual moisture in the soil under dry environments.