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Table 5 Effect of soaking two sugar beet seed cultivars with tryptophan and irrigated with different salinity levels on shoot parameters at harvest (180 days after sowing)

From: The physiological effect of pre-soaking with tryptophan on sugar beet (Beta vulgaris L.) productivity under different levels of salinity stresses

Treatment

Shoot parameters at harvest

Salinity (ppm)

Try. (mM)

Length (cm)

Fresh wt. (g)

DS-9004

LP-15

DS-9004

LP-15

320

0.0

26.00

30.00

222.00

200.00

2.5

29.00

32.00

299.00

213.00

5.0

28.00

31.00

279.00

203.00

2000

0.0

24.00

26.00

217.00

177.00

2.5

29.00

30.00

273.00

198.00

5.0

28.00

27.00

260.00

186.00

4000

0.0

24.00

23.00

194.00

152.00

2.5

28.00

30.00

268.00

179.00

5.0

27.00

24.00

256.00

169.00

6000

0.0

23.00

18.00

189.00

148.00

2.5

25.00

27.00

230.00

173.00

5.0

24.00

22.00

223.00

158.00

8000

0.0

20.00

15.00

183.00

116.00

2.5

23.00

22.00

218.00

139.00

5.0

21.00

20.00

195.00

127.00

LSD5%

0.32

5.95

Mean of main effects

Variety

DS-9004

25.27

233.73

LP-15

25.13

169.20

F sig.

a

a

Salinity (ppm)

320.0

29.33

236.00

2000.0

27.33

218.50

4000.0

26.00

203.00

6000.0

23.17

186.83

8000.0

20.17

163.00

LSD5%

0.23

4.34

Try. (mM)

0.0

19.08

149.83

2.5

22.92

182.50

5.0

21.00

171.33

LSD5%

0.17

3.26

  1. ns non significant
  2. aSignificant