August 7, 2025PLoS ONEOpen Access

Improving the prediction of potato yield gaps: Solanum-model parameterization and evaluation in southwestern China

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Field trials revealed 125.6 t/ha potential yield in spring potatoes, indicating significant yield gaps caused by late blight and water shortages.

MAIN FINDING: The spring potato in Yunnan Province has the highest potential yield globally at 125.6 t/ha.
KEY EVIDENCE: Average yield gaps were identified as 107.30 t/ha in spring due to late blight and inadequate rainfall.
APPROACH: Field trials assessed three potato cultivars across various seasons using the Solanum-model for yield evaluation.
SIGNIFICANCE: Managing late blight and extending growing seasons can increase practical yield by 115%, boosting the local economy.

Wang et al. (2025) studied this question.

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Field trials revealed 125.6 t/ha potential yield in spring potatoes, indicating significant yield gaps caused by late blight and water shortages.