Transplanting

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Bed and Land preparation

marigolds, marigold, hybrid marigold, marigold seed

 

Marigolds likes a well-drained soil with pH levels of 6.5-7.0

Soil Analysis :

          1. Test soil pH level using "Soil pH Tester"

          2. Test soil fertilizer using "Soil N-P-K Test Kit"

          3. Check diseases of previous crop to help identify current soil borne diseases.

 marigolds, marigold, hybrid marigold, marigold seed

 

Bed preparation

1. Plow and cultivate the soil to produce a fine tilth to a depth 15-17 inches. Marigolds like well drained, deeply cultivated soil.

2. During cultivation a balanced fertilizer can be incorporated into the soil (15-15-15 @ 1.05 oz. per 1.2 yd2)

3. Apply dolomite and lime to improve soil fertility and pH.

4. Use drip tape for bed irrigation and cover the bed with plastic mulch to prevent weed growth.

5. Make holes in plastic mulch with a diameter of about 4-5 inches. Plant pacing will depend on variety.

    - Intermediate: 4-6 inch. for Vase cut flower use, 12-13.8 inch. for Garland use.

    - Semi-Tall and Tall: 6-8 inch. for Vase cut flower use, 15.7-17.7 inch. for Garland use.

 

Recommended size of Marigold bed :

- Height: 10-12 inch. depending on soil texture and irrigation system. If using a furrow irrigation system, beds should be higher than the normal.

- Width: 27.5-31.5 inch. top and 35.5-39 inch. at base.

- Path between beds: Width 12- 15.7 inch.

 

 marigolds, marigold, hybrid marigold, marigold seed

Adjust soil pH with dolomite

 

 marigolds, marigold, hybrid marigold, marigold seed

Add organic matter to improve soil quality

 

      marigolds, marigold, hybrid marigold, marigold seed          marigolds, marigold, hybrid marigold, marigold seed

           Cover beds with plastic mulch.       Make holes in mulch ready for transplanting.

 

Transplanting

1. Transplanting should take place when 2 sets of true leaves appear. (stage 4 : 15-20 days after sowing)

2. Irrigate beds before transplanting.

3. Transplant depth should be up to, but no further than the 1st node level.

4. Transplant plugs during the late afternoon to avoid heat stress and wilting.

5. The transplant hole should be slightly larger than the plug.

6. Finally place the plug into the hole and apply irrigation water around the plug.

 

marigolds, marigold, hybrid marigold, marigold seed               marigolds, marigold, hybrid marigold, marigold seed

          2 sets of true leaves.                   The hole should be slightly larger than the plug.

 marigolds, marigold, hybrid marigold, marigold seed                marigolds, marigold, hybrid marigold, marigold seed

The hole should be slightly larger than the plug. Transplant dept to the 1st node level.       

 

Fertilizer application

1.     Furrow and sprinkler irrigation systems : Liquid and Granular Fertilizer rate

Days after Transplanting

N:P:K rate

Physical and Visual

7

15-0-0  150 ppm N

First true leaf.

15

15-0-0  150 ppm N

To increase height.

21

15-15-15  0.1 oz./plant

To increase number of leaves.

28

15-15-15  0.1 oz./plant

To increase number and size of leaves and promote bud appearance.

35

14-14-21  0.1 oz./plant

To increase number and size of leaves and promote bud appearance.

42

14-14-21  0.17 oz./plant

To increase number of buds and promote larger sized flowers.

49

8-24-24  0.17 oz./plant

To increase size of flowers.

 

    2.     Drip system: Liquid fertilizer rate:

Days after Transplanting

N:P:K rate

Physical and Visual

7

15-0-0  150 ppm N
(2.2 Pounds per 211 pints of water)

First true leaf.

21

8-24-24  80 ppm N
(2.2 Pounds per 211 pints of water)

To promote bud formation.

 

Micro Nutrient Application :

    - Spray Micro Nutrients once a week.

    - Calcium (Ca), Boron (B), Magnesium (Mg) and Zinc (Zn) are recommended to apply from budding stage until the middle of  the harvesting period.

 

Calcium (Ca) Deficiency : When faced with a Calcium deficiency, symptoms develop rapidly on new and young, unfolding leaflets. Spots of black necrosis will turn brown. This effect starts on young leaves, at the base, and spreads towards the tip. Severe necrosis develops on the growing points, causing the shoot tips to die. Necrotic symptoms also develop on buds and pedicels, causing the buds to collapse.

Boron (B) Deficiency : Boron deficiency symptoms first appear as glossy, darker green foliage. The basal leaflets of young leaves develop a narrow needle-like appearance. The plant's growth is stunted due to short internodes.

Magnesium (Mg) Deficiency : Magnesium deficiency symptoms initially develop on the older leaves as a dark discoloration on the leaflet margins and quickly turn to an interveinal chlorosis. Irregular necrotic patches follow on the leaflet margins of mature leaves. The plant size and weight will not be reduced.

Zinc (Zn) Deficiency : The development of chlorosis on the growing tip is the first symptom of zinc deficiency. Flowering is severely affected as the buds will stop evolving. Chlorosis spreads from the upper part of the plants to the lower leaves, beginning along the leaflet margins of the lower leaves. As symptoms progress, chlorosis on older leaves becomes intense, taking on a veinal pattern. Necrosis begins at the leaflet tips.

 

Pinching

In hot, humid growing conditions we recommended pinching the growing point of Marigolds 1-2 weeks after transplanting to help the plant produce a larger bushier type plant with multiple flower buds. This will also help taller types of Marigolds resist lodging (falling over due to weight of flowers)
Where to pinch: Pinch at 3rd node or 4th node in hot summer seasons and at 4th node or 5th node in cooler seasons.

 

marigolds, marigold, hybrid marigold, marigold seed

Pinching stage : plant should have 5-6 nodes before pinching.

 

marigolds, marigold, hybrid marigold, marigold seed

Pinching stage: Pinch at fourth to fifth node.

 

 

  

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