[4] Upon her return to London, Alcock obtained a post at the Plant Pathology Laboratory of the Ministry of Agriculture, Kew Gardens.

[5] Alcock became a fellow of the Linnean Society in 1922, and in 1924, she moved to Edinburgh for the position of plant pathologist in the Department of Agriculture and Fisheries.

[4] Her post was based at the Royal Botanic Garden Edinburgh and focused on using healthy seeds to increasing food production.

[4] In 1924 Alcock became the first person to hold the new post of Plant Pathologist in the Department of Agriculture and Fisheries.

She was a member of the National Federation of Business and Professional Women's Clubs and the Edinburgh Soroptimists.