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Step 5 - Tip #6

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🌿 Plant A : 18 leaves = 100% = 45 min
🌱 Plant B : 9 leaves = 50% = 23 min

How to create two leaders

When the seedling reaches its third leaf, take the head off by pinching just above the 2nd leaf. The two suckers from the shoulder of leaf 1 and 2 will be your leaders for the whole season. (figure 1)

If you missed the opportunity to pinch at the 3-leaves stage, you can keep a sucker later on.
Which will become your second leader. 
Tomatoes always follow the same pattern: 3 leaves, one cluster. 
It is important to always keep the sucker that is right under a cluster. It is by far the most vigorous one. (figure 2)
The downside of the sucker-under-cluster technique is that the second leader will produce 2-4 weeks later than the first.

figure 2
figure 3
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figure 1

Lists

Exemple de liste avec flèches

  • Reduces sunlight (loss of yield)
  • Increases disease pressure

Exemple de liste avec feuilles

  • Prune in the morning so the wounds dry before nighttime
  • If you can, prune on sunny days
  • Take the pruned leaves out of the tunnel as soon as you’re done. This reduces the chances of disease spread

Exemple de liste numérotée

  1. Boost energy production by maximizing photosynthesis.
  2. Align energy consumption to production to avoid exhausting plants.


Exemple de liste avec X

  • Expensive (a few thousand dollars)
  • Difficult to install, especially in an existing tunnel
  • Best installed when replacing the plastic covering

⚠️ CAUTION - When condensation forms on plastic, it creates droplets that always fall at the same place. The leaves on which it drips never fully dry, which creates an ideal habitat for Gray Mold.

To prevent condensation, use anti-condensation-treated plastic in your tunnel. It is commonly available from tunnel manufacturers.

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