Correlation and regression analysis of Lentinula edodes yield and its con-stituent factors
In order to study the relationship between the yield of Lentinula edodes and its component factors,and to pro-vide theoretical basis for the breeding and cultivation of Lentinula edodes.Using 9 strains of Lentinula edodes in Henan province as the experimental material,13 factors of Lentinula edodes yield and yield composition were measured.IBM SPSS Statistics 27 analysis software was used to conduct correlation and path analysis of the yield and yield composition factors,and analyze the changes and relationships of the yield and yield composition factors of the tested Lentinula edodes varieties.The results showed that there were significant difference in yield and yield components of the tested vari-eties.The number of finished fruit bodies was positively correlated with the yield,the pileus thickness and the pileus rigid-ity were negatively correlated with the yield,the number of finished fruitbodies was negatively correlated with the pileus thickness and the mass of single fruiting bodies,and the pileus thickness was positively correlated with the pileus rigidity.Through multiple linear regression analysis,with yield(Y)as the dependent variable,the regression model was estab-lished with the number of finished fruitbodies(X1)and the mass of pileus(X2),Y=-41.889+1.100X1+0.314X2.The results of further path analysis showed that the largest direct contribution value to yield was the number of finished fruitbodies,followed by the mass of pileus.In the process of management,increasing the number of finished fruit bodies and appropri-ate the mass of pileus can significantly improve the yield of mushroom,and the interaction between various factors should be considered comprehensively.The selection of high-yielding Lentinula edodes varieties should focus on the excavation of key genes for pileus development that affect the number of finished fruit bodies.