Recovery of rgo1
--Jackson, JD

A mutation disturbing the orientation of the germ in relation to the cob, i.e. the embryo facing the stalk end of the ear as opposed to the tip end, has been recovered. It was originally called reverse germ orientation (rgo) by Sachan and Sarkar (MNL 52:119-120, 1978) and is now designated rgo1. Seeds were provided by Dr. Sarkar of the Indian Agricultural Research Institute in New Delhi, India. These were germinated and transplanted to the field. Due to the hot, dry summer and poor growing conditions only a few ears that exhibit the trait were recovered. Stocks will be regrown to increase them further. 


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