Other way around. Mothers are more likely to have daughters when the food supply is low. Females are hardier, are more resistant to famine and disease, and live longer. Mothers are more likely to have sons when they are living in plenty, because sons are less likely to survive childhood and require greater resources to grow taller and stronger.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2602810/

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3367790/

https://www.cambridge.org/core/journals/continuity-and-change/article/abs/famine-and-the-female-mortality-advantage-sex-gender-and-mortality-in-northwest-england-c-15901630/8D3B5297ABD8AFEAAFF9FA52923AE5F1

https://www.sciencedaily.com/releases/2011/09/110927192352.htm