APAC Petunia webinar 1: Successful germination

Petunia. Deep dive into technology Part I

Syngenta Flowers APAC Technical Webinar for Tropical Regions 10-30-2024 2 p.m.

Inka Orange 70041091

Petunia portfolio #1.

Garden Width Height Plant type Application

Species

Series Duvet

Genetic Pot size*

Specific features Genetically compact Genetically compact

Syngenta

8-10

30-35 35-40 30-35 30-40 30-35 30-35 30-35 25-30 30-35 20-25

15-20 Mounding

Patio Pots, Borders Patio Pots, Borders

Espresso Grande Floranova 9-10.5

18-23

Upright

Petunia grandiflora

Tritunia & Frost Syngenta

9-11 9-11

20-25 Mounding Patio Pots, Landscape

Vigorous type

Prism

Floranova

30-40

Upright

Patio Pots, Landscape

Vigorous type, unique colors

Espresso Frappe Floranova 10.5-13

25-30 Mounding

Patio Pots

Unique petal shape

Espresso Hurrah Horizon Damask Picobella

Floranova 10.5-13

25-25 Mounding Patio Pots, Landscape

Non stretching multiflora type

Petunia multiflora

Syngenta Floranova Syngenta Syngenta

8-10 9-11 8-11 8-11

25-30 25-35

Upright Upright

Patio Pots, Landscape Patio Pots, Landscape

Genetically compact

Multifloral mix

25-30 Mounding Patio Pots, Landscape Genetically compact, good earliness

20-25 Mounding Patio Pots, Landscape

Genetically compact milliflora

Petunia milliflora

Hanging baskets, Landscape Hanging baskets, Landscape Hanging baskets, Landscape Hanging baskets, Landscape

FlashForward

Syngenta 10-12 (25)

45-60 20-30 Spreading

Trailing milliflora type

10-12 (25- 30)

FotoFinish

Syngenta

60-90

20-30 Spreading

Earlies trailing petunia

Petunia pendula

Hang Out

Floranova 11-15 (30)

50-75

15-20 Spreading

Good ground covering petunia

Mounding to Spreading

SkyBox

Syngenta 11-13 (30)

60-70 25-35

High-end patio containers

* Hanging basket size in the brackets

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Petunia portfolio #2.

Syngenta catalogue reference, page 70.

Weeks after transplanting

Species

Series Duvet

Varieties number

6 + 1 mix 7 + 1 mix

6―7 4―6 6―9 5―7 5―7 5―7 5―7 5―7 6―8 6―8

Espresso Grande Tritunia & Frost

Petunia grandiflora

32 + 4 mixes / 4 + 1 mix

Prism

17 + 1 mix 2 + 1 mix

Espresso Frappe

Espresso Hurrah Horizon Damask Picobella

1 mix

12 + 1 mix

Petunia multiflora

1 (yellow) + 1 mix

Floranova catalogue reference, page 37.

12 + 1 mix 10 + 1 mix

Petunia milliflora

FlashForward

11 + 1 mix

7―10*

FotoFinish

8 + 1 mix

5―8*

Petunia pendula

Hang Out

13 + 1 mix

5―8*

SkyBox

1

5―10*

* Vegetation for hanging baskets

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Petunia portfolio. Earliness.

FotoFinish takes only 70 days from sowing to first blooming

FotoFinish.

Competitor #2.

Competitor #1.

Comparative trial planting • FotoFinish blooms earlier! (5-7 days) • The uniformity of flower colors between series is more consistent!

Competitor #2.

Competitor #1.

FotoFinish.

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5 components of success with Petunia

No cover.

Diseases

pH < 5.8!

Feed your plants.

Boron!

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Not cover!

• Light requires for Petunia germination. • Seeds should be kept on the surface. • Provide light in the germination chamber. • Fine layer of vermiculite can be beneficial for pelleted seeds only.

Provide deepening.

No cover

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Substrate. Keep pH 5.5 ― 5.8

• Porous substrate (30% of perlite). • Suitable substrate components:

 cocopeat  peatmoss  wood fiber peat

Wood fiber based.

• Rinse cocopeat well. • Airy agent: perlite > sand > zeolite > vermiculite. • Sift the substrate to obtain a uniform particle size 0―5 mm. • pH range: 5.5―5.8 2 3 4 5 6 7 8

pH < 5.8.

Cocopeat.

Peatmoss plug.

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Substrate. Keep pH 5.5 ― 5.8

• Critical factors affecting pH:  initial pH of substrate,

 high sodium (Na) concentration,  excess of calcium (Ca) in the water and substrate.

Na excess

Ca excess

Good condition

pH < 5.8.

2 3 4 5 6 7 8

2 3 4 5 6 7 8

2 3 4 5 6 7 8

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Sowing / germination stage

Fine layer of vermiculite only for pelleted seeds!

• Suggested tray size – 288 cell • Seed – place 1 seed per cell • Do I need to cover the seed?  NO  Light is required • Germination chamber - optional • Soil Temp: 22―24 0 C 18 19 20 21 22 23 24 25 26

Level 5 SATURATED

Level 4 WET

Level 3 MEDIUM

Level 2 MEDIUM DRY

Level 1 DRY

Keep substrate Saturated

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Young plant stage. Feed your plants.

• Substrate EC (SME): 0.9―1.3 mS/cm • Provide plant with 75―125 ppm of nitrogen. • Do not use too much phosphorus! • Suitable NPK rate: 15-5-15, 15-3-15 15-5-10, 18-5-15, 17-5-17. • Give fertilizers with every watering .

Proper NPK rate

• Do not use 15 - 15 - 15 or 17 - 17 - 17 ! • Do not use ureum (NH2)2CO! • Do not use clean water (without fertilizers). • Do not use dry fertilizers

Feed your plants

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Vegetation. Feed your plants well. • Translate 75―125 ppm of nitrogen to gram of NPK. • Do not use too much phosphorus! • Suitable NPK rate: 15-5-15, 15-3-15 15-5-10, 18-5-15, 17-5-17. How to convert ppm of N into mass of fertilizers?  The range of nitrogen recommended in the growing tips is 75―125 ppm.  Let’s start with 125 ppm.  125 ppm means 125 mg should be added into 1 l of water.  There is available fertilizer with NPK rate like 15–5–17 % on the farm.  NPK rate like 15–5–17 contains 15 mg of nitrogen in 100 mg.  Thus, to get 125 mg of nitrogen we need to take: (125 x 100)/15 = 833,3* mg of fertilizer. * 833,3 (0.5 g) provides EC in the water about 1,2―1,4 mSm/cm

Proper NPK rate

Feed your plants.

! Don’t forget to provide Ca and Mg every 5 th or 6 th watering!

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Vegetation. Feed your plants well.

Not apply Ca & Mg fertilizers to often Apply Ca(NO 3 ) 2 + Mg(NO 3 ) 2 every two weeks only.

3―5 days

week 2

week 3

Feed your plants.

1.5

1.5 1.3

1.3 1.3 1.3

1.3

1.0

0.7

Water EC, mS/cm

0.4 -0.5

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Young plant stage. Boron.

• Provie NPK with microelements. • Do not use too much phosphorus!

Factors affecting boron (B) efficiency .  pH rate.  Phosphorus (H2PO 4 - ) concentration.  Calcium concentration.  Temperature.  Substrate type.

Boron!

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Stretching control.

• Media pH: 5.5–5.9 Feed your plants well!

6

2 3 4 5

7 8

• Media EC: SME 0.5 to 0.75 → 0.9―1.3 mS/cm

Test soup before plant will show you it’s hungry

Feed your plants.

• EC in water solution: 75–125 ppm N • Check plant health (EC & pH) before plant needs reanimation.

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Young plant stage. Keep pH < 5.8.

• Checking pH regularly: - in the water before every watering. - in the substrate one time per week. • pH range: 5.5―5.8(5.9)

6

2 3 4 5

7 8

• Keep substrate moisture on level 3 and 4 . Media should be allowed to dry between irrigations.

Level 5 SATURATED

Level 4 WET

Level 3 MEDIUM

Level 2 MEDIUM DRY

Level 1 DRY

pH < 5.8.

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Young plant stage. Abiotic conditions.

• Germination temperature:

18 19 20 21 22 23 24 25 26

• Temperature - Day:

18 19 20 21 22 23 24 25 26

- Night:

18 19 20 21 22 23 24 25 26

• Light intensity : 35―45 KLk

Hot start – cold continue

Partial Sun/Shade

Moderate Shade

Full Sun

Light Shade

Heavy Shade

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Petunia young plants disease management

Most common Petunia seedling diseases.

Disease

Active ingredients (rate in chemical)

Active Ingredient concentration in solution g/l*

iprodione (50%)

1.25 g/l

tetrachloroisophthalonitrile (82.5%)

0.83–1.2 g/l 0.5–0,75 g/l 0.75–1,25 g/l

Botrytis

fenhexamid (50%)

pentachloronitrobenzene (75%)

azoxystrobin (50%)

0.15 g/l

pyraclostrobin (12.8%) + boscalid (25.2%)

0.03–0.07 g/l pyraclostrobin or/and 0.05–0.15 g/l boscalid

Pythium

propamocarb (600 g/l)

1.8 g/l

Diseases

* Rotate active ingredients (AI). Don’t apply the same AI more than 3 times at row. Check phytotoxicity!

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Diseases. Bio protection. Add Trichoderma-base or bacterial-base chemical into substrate mixture (Gliocladium catenulaturm, Bacillus subtilis, Bacillus amylolquefaciens , Streptomyces sp. K 61, Streptomyces lydicus strain WYEC 108, * Trichoderma harzianum, Trichoderma virens, Trichoderma asperellum, Trichoderma gamsii…) * Chemical on the base of bacteria can be combined with fungicides as well. Can be used as prophylactic.

EXAMPLE

Diseases

EXAMPLE

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Transplanting. Substrates mixtures.

Petunia rather sensitive to viruses. Main vectors:  Aphids,  Thrips,  Weeds (Solanaceae family)  Humans!!! Possible chemical protection from Aphids (AI):  Clorantraniliprole (100 g) + Lambdacialotrina (50 g)  Lambdacialotrina (106 g/l) + Thiamethoxam (141 g/l)  Thiamethoxam (141 g/l) + Chlorantraniliprole (10 g)

Diseases

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Diseases. Quarantine!

All good practices:

One entrance

No ready plants

Net on the side walls

Mind a Gap !

Diseases

Caisson

Antiseptic mat

No Transit

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Hygiene. Sources of infection!

Water

Ready plants & weeds

Diseases

Old trays / material

Plant residuals

People

Substrate

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Elements of Integrated protection…

No material storage

Separate greenhouse

Sticky traps

Quarantine

Clean greenhouse

Gap between plant & ground

Covered ground

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Q&A session.

• Thank you for your time. • For more information, please contact your Key Account Manager.

Amjad.Iqbal@syngenta.com Key Account Manager SEAP (South East Asia & Pakistan) (Pakistan, Thailand, Vietnam, Indonesia, Malaysia, Singapore, Phillipines, Cambodja, etc

Ivan.Pozdnyakov@syngenta.com Technical Sales Specialist SA/SEAP

Gautam.Sangle@syngenta.com Key Account Manager SA (South Asia) (India, Nepal, Bangladesh)

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