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If a vine grows as shown above, let's make a support for it.  
To let a vine wind around a support, twist the vine gently around the support.  
 
 
 
 
  
 | At the stage of the cotyledonary seedlings, I put one pot in the sunshine and another pot in the shade. Then I compared their growth.  
On the left is the plant in the sun, and on the right is the plant in the shade.  
The left photograph shows the plants 3 weeks later and the right 5 weeks later. | 
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|   | <--tip of vine
There is a vine with flower buds. Cross-section of stem (under) Vertical section of stem  
I dissolved some red food dye in water. Then I left a cut stem in the red water for 24 hours. That let me see how the water had moved up inside the stem.
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 |  | A point of cultivation
 If a vine elongates to about 15 cm, the tip of the vine will become unsteady. When that happens, make a support with sticks or strings.  
You can use the handrail of a porch or the wire netting from a fence.  
Let's remember to supply fertilizer sometimes.  
However, make sure not to use too much fertilizer. Too much will make the plant die.
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 | A plant growing thick with many leaves will wither up immediately if you forget to give it water on a fine and sunny day (the right photograph).
So make sure to give it enough water.  
Then the plant will get well after a while, and it will look like a different plant (the left photograph). | 
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