APAC | Helianthus annuus: Successful production

Sunfinity vegetation scheduling.

For pot plant production.

Week

1

2

3

4

5

6

7

8

9

10

11

12

13

Stage:

seedlings development

tranplanting

plants development

Blooming

germination (3 — 5 days)

Chamber:

Optional

Temperature day, 0 C Temperature night, 0 C Substrate humidity, 1 — 5

20 — 22(24) 20 — 22(24)

18 — 20(23) 18 — 20(23)

21 — 24(27) 18 — 20(22)

4

3 — 4

2 — 4

Tray/pot type → Spacing, cm

50 or 72-cells

pot: 25 — 35

50 or 72-cells (no cover)

Substrate pH, 1 — 14

5.5 — 5.8

5.5 — 5.9

2 — 2.3

2.5

2

2

2

2

1.7

1.7

1.5

1

Water EC, mS/cm

Ca+Mg application (↑)

0.5

Substrate EC (SME), mSm/cm

0.5 — 0.7

1.0 — 1.5 75 — 100

1.2 — 1.75 150 — 200

Fertifation (N), ppm

NPK rate, & Ca+Mg application (↑)

15 – 3 – 15 (13 – 2 – 13)

10 – 5 – 17, 10 – 3 – 15, 15 – 3 – 18

Light intensity, KLk

35 — 45

35 — 60

Not required for germ.

Day length, hours

13 — 14 hours

13 — 14 hours

Remove the tips above the 4th node.*

Pinching

Bonzi® sprench at 2 – 3 ppm (next day after sowing)

PGRs

Bonzi at 2 – 3 ppm

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