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Wounding during mechanical harvesting and post‐harvest handling results in tuber desiccation and provides an entry point for pathogens resulting in substantial post‐harvest crop losses. Poor wound healing is a major culprit of these losses. Wound tissue in potato (Solanum tuberosum) tubers, and all higher plants, is composed of a large proportion of suberin that is deposited in a specialized tissue...
Key message Newly identified genes that are preferentially expressed in potato skin include genes that are associated with the secondary cell wall and stress-related activities and contribute to the skin’s protective function. Abstract Microarrays were used to compare the skin and tuber-flesh transcriptomes of potato, to identify genes that contribute to the unique characteristics of the skin as...
Main conclusionA silicon transporter homolog was upregulated by Si fertilization and drought in potato roots and leaves. High Si in tuber skin resulted in anatomical and compositional changes suggesting delayed skin maturation. Silicon (Si) fertilization has beneficial effects on plant resistance to biotic and abiotic stresses. Potatoes, low Si accumulators, are...
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