Peptide having plant stem cell-inducing effect and plant pest resistance-inducing effect

An agent comprising:

• a peptide consisting of an amino acid sequence of a conserved region of cysteine-rich secretory protein, antigen 5, and pathogenesis-related 1 (CAP),
• wherein:
• the amino acid sequence of the conserved region comprises an amino acid sequence represented by formula (I):
• (X1)nTQX2X3W (I)
• wherein:
• (i) X1 represents phenylalanine or tyrosine, X2 represents isoleucine or valine, X3 represents isoleucine or valine, and n represents 0 or 1;
• (ii) X1 represents phenylalanine, X2 represents isoleucine or valine, X3 represents isoleucine or valine, and n represents 1;
• or
• (iii) X1 represents phenylalanine or tyrosine, X2 represents isoleucine or valine, X3 represents isoleucine or valine, and n represents 0 or 1, and the amino acid sequence has at least 95% sequence identity to SEQ ID NO:
• 1, and the amino acid sequence has 39 or less amino acid residues, and
• the peptide has at least one effect selected from the following effects:
• a plant stem cell-inducing effect,
• a plant environmental stress tolerance-enhancing effect,
• a plant pest resistance-inducing effect,
• a germination-promoting effect,
• a plant transformation efficiency-enhancing effect, and
• a plant growth-promoting effect;
• and
• at least one additive selected from the group consisting of a surfactant, a wetting agent, a stabilizer, and a penetrant.