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Applied Biological Chemistry

Table 6 Scaled-up trials of liquid EF-fumigaion and EF + PH3 fumigation on Tricholoma matsutake

From: Scaled-up ethyl formate fumigation to replace methyl bromide on traded mushroom to disinfest mushroom fly (Lycoriella mali)

Type and size of fumigation

Appl. Dose (g/m3)

Packing and gas sampling

Ct products (g h/m3)

Mort. (%) (dead/total)

Deterioration degree1

Market value2

Fumigation chamber1

(25 m3)

–

Untreated

–

0 (0/159)

0 a

B1 B2 C

EF 140.0

S.B.(I#1)

159.0 ± 3.1

100 (331/331)

3 b

D D D

S.B.(I#2)

147.2 ± 2.8

100 (387/387)

3 b

D D D

S.B.(O)

195.3 ± 4.3

100 (361/361)

3 b

D D D

Fumigation chamber2

(5 m3)

–

Untreated

–

0 (0/159)

0 a

B1 B2 C

EF 35.0 + PH3 0.5

S.B.(I#1)

50.6 ± 0.6

100 (397/397)

0 a

B1 B2 C

S.B.(I#2)

50.2 ± 1.1

100 (356/356)

0 a

B1 B2 C

S.B.(O)

66.4 ± 0.1

100 (344/344)

0 a

B1 B2 C

    

p-value

 < 0.0001

 < 0.0001

  1. S.B: Styrofoam box, Inside (I), Outside (O)
  2. #1. Condition: f.r. 1.7%, 7.33 ± 0.39 ℃
  3. #2. Condition: f.r. 0.5%, 4.94 ± 0.21 ℃
  4. 1The deterioration degrees. 0: Non, 1: water condensation, 2: water condensation following changing soft a cap and grill parts 3: water condensation following changing soft a cap, grill and then stem part
  5. 2Market value based on commercial grades. A: button, B1: young mushroom, B2: mature mushroom, C: overmature mushroom, D: not for sale
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