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Table 8 Stepwise regression models showing the relation between the biological yield (per harvest/in total) and mushroom characteristics

From: Production and composition of Pleurotus ostreatus cultivated on Lithovit®-Amino25 supplemented spent substrate

Dependent Predictors Model equation Adjusted R2 Model n
BYT BY(H1),
BY(H2),
BY(H3)
TBY = 0.76 × BY(H1) – 0.54 × BY(H2) + 3.062 × BY(H3) + 187.047 0.84 Model 1
BY(H1) FBN(H1) BY = 8.65 × FBN + 261.85 0.89 Model 2
FBN(H1),
SD (H1)
BY = 6.5 × FBN – 82.21 × SD + 451.774 0.98 Model 3
BY(H2) FBN(H2) BY = 6.7 × FBN + 189.97 0.50 Model 4
FBN(H2),
PD (H2)
BY = 9.68 × FBN + 20.01 × PD – 11.24 0.80 Model 5
BY(H3) FBW(H3) BY = 0.95 × FBW + 130.76 0.53 Model 6
FBW(H3),
BN (H3)
BY = 1.39 × FBW + 12.06 × BN + 70.84 0.81 Model 7
FBW(H3),
BN (H3),
SD(H3)
BY = 1.54 × FBW + 8.63 × BN – 34.66 × SD + 115.80 0.88 Model 8
  1. BYT: total biological yield, H: harvest, BY: biological yield, FBN: fruit body number, SD: stipe diameter, PD: pileus diameter, FBW: fruit body weight, BN: bunches number.