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Bulletin of the National Research Centre

Table 2 Effect of different bio-stimulants on tuber yield and tuber characters of Cassava cultivars in 2016/2017 and 2017/2018 seasons

From: Effect of bio-stimulants foliar applications on growth, yield, and product quality of two Cassava cultivars

Treatments

First season (2016/2017)

Second season (2017/2018)

Tubers number/plant

Tuber weight (g)

Tuber/shoot ratio

Tuber length (cm)

Tuber diameter (cm)

Dry matter (%)

Tubers number/plant

Tuber weight (g)

Tuber/shoot ratio

Tuber length (cm)

Tuber diameter (cm)

Dry matter (%)

Effect of cultivars

American cassava

13.9a

321.2a

2.14a

35.9a

4.4a

36.6a

13.7a

320.3a

2.25a

38.7a

4.5a

35.5a

Brazilian cassava

11.3b

277.3b

1.73b

26.2b

2.9b

30.4b

10.7b

282.4b

1.91b

31.1b

2.9b

29.9b

Effect of bio-stimulants

Glutamine (200 mg/L)

13.6a

316.0a

2.04a

34.8a

4.1a

36.2a

13.4a

315.1a

2.20a

38.1a

4.1a

35.0a

Lysine (100 mg/L)

12.5b

308.1b

2.01b

32.0b

3.8b

34.4b

12.3b

307.2b

2.17a

35.9b

3.8b

33.2b

Yeast (4 g/L)

12.3c

288.8c

1.86c

29.9c

3.6d

33.1c

11.9c

294.9c

2.00b

33.6c

3.5c

32.0b

Yeast (2 g/L)

12.0d

283.6d

1.84d

27.7c

3.4c

30.4d

11.1d

288.1d

1.97b

32.1d

3.3d

30.4c

Effect of interaction

American cassava

Glutamine (200 mg/L)

14.8a

332.7a

2.28a

39.3a

4.8a

39.1a

14.6a

331.8a

2.41a

41.4a

4.9a

38.0a

Lysine (100 mg/L)

13.8b

327.1b

2.25b

35.8b

4.5b

37.3b

13.6b

326.2b

2.38a

40.4b

4.6b

36.2b

Yeast (4 g/L)

13.6c

313.8c

2.03c

34.9c

4.3c

36.0c

13.4c

312.9c

2.12b

36.9c

4.2c

34.9c

Yeast (2 g/L)

13.2d

311.2d

1.99d

33.7d

4.2d

33.8d

13.0d

310.3d

2.09b

36.0d

4.1d

32.7d

Brazilian cassava

Glutamine (200 mg/L)

12.4e

299.3e

1.79e

30.3e

3.3e

33.2e

12.2e

298.4e

1.98c

34.8e

3.2e

32.1e

Lysine (100 mg/L)

11.1f

289.1f

1.77f

28.2f

3.0f

31.4f

10.9f

288.2f

1.96c

31.4f

3.0f

30.3f

Yeast (4 g/L)

11.0g

263.8g

1.69g

24.8g

2.8g

30.2g

10.4g

276.9g

1.87d

30.2g

2.8g

29.1g

Yeast (2 g/L)

10.8h

255.9h

1.68h

21.6h

2.6h

26.9h

9.2 h

265.9h

1.84d

28.1h

2.5h

28.1h

  1. The means within each column within main effects and interactions followed by same letter are not significant at P < 5%
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