An Agaricus bisporus hybrid strain having the strain J10117 having been deposited with the Collection Nationale de Cultures de Microorganismes (CNCM), Institut Pasteur, 25 rue du Docteur Roux, 75724 PARIS Cedex 15, on January 20, 2015, under the CNCM Accession Number I-4950, as first parent and an Agaricus bisporus white strain as a second parent, said hybrid strain being selected in the group consisting of: - LB811, having been deposited with the Collection Nationale de Cultures de Microorganismes (CNCM), Institut Pasteur, 25 rue du Docteur Roux, 75724 PARIS Cedex 15, on January 20, 2015, under the CNCM Accession Number I-4945, - LB906 having been deposited with the Collection Nationale de Cultures de Microorganismes (CNCM), Institut Pasteur, 25 rue du Docteur Roux, 75724 PARIS Cedex 15, on January 20, 2015, under the CNCM Accession Number I-4946, and - Derivatives thereof wherein said derivatives are Agaricus bisporus hybrids comprising all the SSR molecular markers and/or P1N150 allelic sequences of the hybrid LB811 having been deposited under the CNCM Accession Number I-4945 or of the hybrid LB906 having been deposited under the CNCM Accession Number I-4946 or of the hybrid J10117 having been deposited under the CNCM Accession Number I-4950, wherein the P1N150 allelic combinations for LB811, LB906 and J10117 are the ones as in Table 17, and wherein the SSR molecular markers for LB811, LB906 and J10117 are the ones as in Table 15bis, wherein the said hybrid strain has an improved canning yield, the improved canning yield being defined as a higher canning yield, which is statistically significant at P < 0.05 or P < 0.01, compared to mushroom from a control commercial Agaricus bisporus strain A15. - LB811, having been deposited with the Collection Nationale de Cultures de Microorganismes (CNCM), Institut Pasteur, 25 rue du Docteur Roux, 75724 PARIS Cedex 15, on January 20, 2015, under the CNCM Accession Number I-4945, - LB906 having been deposited with the Collection Nationale de Cultures de Microorganismes (CNCM), Institut Pasteur, 25 rue du Docteur Roux, 75724 PARIS Cedex 15, on January 20, 2015, under the CNCM Accession Number I-4946, and - Derivatives thereof wherein said derivatives are Agaricus bisporus hybrids comprising all the SSR molecular markers and/or P1N150 allelic sequences of the hybrid LB811 having been deposited under the CNCM Accession Number I-4945 or of the hybrid LB906 having been deposited under the CNCM Accession Number I-4946 or of the hybrid J10117 having been deposited under the CNCM Accession Number I-4950, wherein the P1N150 allelic combinations for LB811, LB906 and J10117 are the ones as in Table 17, and wherein the SSR molecular markers for LB811, LB906 and J10117 are the ones as in Table 15bis, wherein the said hybrid strain has an improved canning yield, the improved canning yield being defined as a higher canning yield, which is statistically significant at P < 0.05 or P < 0.01, compared to mushroom from a control commercial Agaricus bisporus strain A15. wherein the P1N150 allelic combinations for LB811, LB906 and J10117 are the ones as in Table 17, and wherein the SSR molecular markers for LB811, LB906 and J10117 are the ones as in Table 15bis, wherein the said hybrid strain has an improved canning yield, the improved canning yield being defined as a higher canning yield, which is statistically significant at P < 0.05 or P < 0.01, compared to mushroom from a control commercial Agaricus bisporus strain A15. <EOS>