Effects of Root Cooling on Plant Growth and Fruit Quality of Cocktail Tomato during Two Consecutive Seasons

Table 2

Effects of root cooling on yield and fruit and shoot growth parameters of cocktail tomato plants in the two seasons.

Fruit

Shoot

Total yield/plant (g)

Marketable yield/plant

Marketable/total (%)

Mean weight (g)

Equatorial diameter

Longitudinal diameter (mm)

Number of fruits/plant

Water content (%)

Height (cm)

Diameter (mm)

2017-2018 winter

“Amoroso”

Control

1908.76 ± 96.6

1898.7 ± 89.9

99.5

35.7 ± 0.9

40.6 ± 0.7

33.1 ± 0.7

53.3 ± 3.6

94.68 ± 0.54

197.2 ± 16.1

16.2 ± 1.4

Cool

1762.1 ± 109.1

1748.6 ± 116.7

99.2

33.2 ± 2.7

39.7 ± 1.7

32.6 ± 0.7

52.8 ± 2.4

94.34 ± 0.44

190.0 ± 8.0

15.0 ± 1.0

p

0.047

0.049

0.107

0.149

0.213

0.774

0.270

0.357

0.145

“Delioso”

Control

2117.2 ± 273.0

2095.9 ± 266.6

97.3

39.2 ± 2.2

41.2 ± 1.0

32.1 ± 0.8

53.5 ± 7.4

94.91 ± 0.07

215.8 ± 20.6

14.1 ± 0.9

Cool

1738.5 ± 123.6

1657.1 ± 179.8

95.3

36.0 ± 5.4

39.8 ± 2.2

31.0 ± 1.8

49.0 ± 6.2

93.98 ± 0.57

215.4 ± 10.3

13.9 ± 1.1

p

0.018

0.011

0.264

0.233

0.238

0.300

0.010

0.966

0.721

2018 summer

“Amoroso”

Control

1310.8 ± 157.9

1168.2 ± 164.6

89.1

35.0 ± 3.1

37.6 ± 2.3

32.3 ± 2.3

37.7 ± 5.0

94.10 ± 0.35

112.9 ± 8.2

20.1 ± 1.0

Cool

1489.1 ± 171.3

1299.2 ± 219.8

87.2

34.3 ± 2.7

37.9 ± 0.9

32.8 ± 0.8

43.3 ± 3.0

94.25 ± 0.68

125.6 ± 7.4

18.9 ± 1.6

p

0.135

0.272

0.721

0.823

0.643

0.018

0.646

0.019

0.186

“Delioso”

Control

1682.0 ± 372.9

1652.4 ± 405.3

98.2

41.6 ± 6.2

41.5 ± 2.6

34.1 ± 2.1

40.0 ± 4.1

93.31 ± 0.71

93.31 ± 0.71

93.31 ± 0.71

Cool

1636.4 ± 392.7

1527.4 ± 488.1

93.3

41.7 ± 10.0

41.7 ± 3.9

34.8 ± 2.9

39.3 ± 2.7

93.93 ± 0.79

134.2 ± 6.0

16.8 ± 1.3

p

0.839

0.640

0.991

0.920

0.662

0.748

0.188

0.341

0.013

Significant differences () are indicated in bold.