Abstract

The effects of moisture stress on Valencia peanut (hypogaea L.) yields were evaluated on Fox loamy-sand soils (Typic Hapudalf or Brunisolic Gray Brown Luvisols); of southwestern Ontario. Drought-imposed irrigation experiments were conducted in 1980 and 1981 by withholding water over all possible combinations of three peanut growth periods, as follows: Period I, early and full flowering; Period 2, late flowering and pod formation; Period 3, pod filling. Generally, the results indicated that the period of late flowering and pod formation is most sensitive to moisture and that moisture stress in growth periods 2 and 3 reduced yields more than stress in periods 1 and 2. Year-to-year variations indicated that, at least in this short-season growing area, factors other than moisture stress alone were influencing peanut yield and quality.

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Keywords: Growth period, drought periods, moisture stress, Irrigation, yield

How to Cite:

Roy, R. & Stonehouse, D. & Francois, B. & Brown, D., (1988) “Peanut Responses to Imposed-Drought Conditions in Southern Ontario”, Peanut Science 15(2), p.85-89. doi: https://doi.org/10.3146/i0095-3679-15-2-11