PLANT & SOIL SCIENCES FACT SHEET TOB-1-07*

Tobacco Greenhouse Soilless Media Test 2006

Bob Pearce and Jack Zeleznik

Table 1.  Germination rate of TN 90 burley tobacco seed on different brands of media.

Brand of Media

Kentucky Burley Molding Tray

Beltwide “Shallow” Tray

Media Avg.

 

All Peat

98.1

96.2

97.2

Burley Gold

96.5

96.8

96.7

Carolina Silver

97.3

97.2

97.3

Carolina Choice

98.0

96.3

97.2

Kentucky Paydirt

97.3

95.8

96.6

Metromix Ag-Lite

97.6

97.8

97.7

Southern States

97.5

96.0

96.7

Southern States w COIR

96.5

97.5

97.0

Speedling Fortified

98.2

96.3

97.2

Sunshine LT5

96.6

97.5

97.1

Tray Avg.

97.4

96.7

 

No significant differences.

Table 2.  Spiral root rate of Tn 90 burley tobacco seed on different brands of media.

Brand of Media

Kentucky Burley Molding Tray

Beltwide “Shallow” Tray

Media Avg.

 

All Peat

0.5

3.0

1.8

Burley Gold

1.9

2.5

2.2

Carolina Silver

2.8

3.9

3.4

Carolina Choice

1.0

1.9

1.5

Kentucky Paydirt

1.8

3.8

2.8

Metromix Ag-Lite

0.5

0.7

0.6

Southern States

2.5

4.1

3.3

Southern States w COIR

5.6

4.0

4.8

Speedling Fortified

0.7

1.4

1.1

Sunshine LT5

1.5

2.4

1.9

Tray Avg.

1.9

2.8

 

No significant interaction LSD 0.05 for tray effect = 0.6, LSD 0.05 for media effect = 1.3.

 Table 3.  Useable plant percentage of TN 90 burley tobacco seed on different brands of media.

Brand of Media

Kentucky Burley Molding Tray

Beltwide “Shallow” Tray

Media Avg.

 

All Peat

90.4

89.3

89.8

Burley Gold

87.2

89.2

88.2

Carolina Silver

92.5

92.7

92.6

Carolina Choice

94.7

91.9

93.3

Kentucky Paydirt

91.7

89.0

90.4

Metromix Ag-Lite

94.2

94.2

94.2

Southern States

93.7

91.0

92.4

Southern States w COIR

87.0

89.1

88.1

Speedling Fortified

91.1

90.5

90.8

Sunshine LT5

91.3

92.7

92.0

Tray Avg.

91.4

91.0

 

No significant interaction: Tray effect not significant:  LSD 0.05 for media effect = 2.2

 *PLANT & SOIL SCIENCES FACT SHEET TOB-1-07 replaces 2-06