about self-pollination, cross-pollination and artificial-pollination
How do they make their seeds?
Japanese morning glories normaly get their seeds by themselves.
In the evening of the day before they bloom:

The pistil is longer than the stamens.
From the midnight to the early morning just before they bloom:

The stamens glow slowly and when they get higher than the pistil, the pistil gets the pollen. It is called "self-pollination".
When people want to do artificial pollination? These are the problems we have with JMGs.
Problem 1: When you compost too much, they may have less pollen than usual.
Problem 2: When the temperture is too high, it is also the cause of less pollen.
Problem 3: JMGs are easily get cross-pollinated. If you glow several JMGs together and if you really want the same flower next year as you have this year, it is better to do artificial pollination.
Or you can also try to meke YOUR ORIGINAL JMGs to do artificial pollination!
How to do artificial-pollination #1 (self-pollination)
OR 1: Tie the head part of the JMG bud with a fine thread which you want to make seeds the day before so that it can not bloom next morning. Do not tie too tight.
Or you can make a small paper cap and put it on the bud, instead of tying.
2: Open the flower gently. If the flower won't open easly, blow slowly into the flower. Pick up the anther with tweezers and put it on the pistil.
3: Close the flower and tie it again to avoid cross-pollination by insects. Be careful not to damage the pistil. Mark it with a string or so, then you can tell which one you did artificial pollination when they get seeds.
How to do artificial-pollination #2 (cross-pollination)
1: (Mother flower) Tie the head part of the JMG bud with a fine thread which you want to have seeds. Cut the flower and take all the stamens out of the flower. Be careful not to damege the pistil.
2: (Father flower) Tie the head part of the JMG bud with a fine thread which you want to get the pollen.
3: Open the flowers gently. Pick up the anther from the father flower with tweezers and put it on the pistil of the mother flower. Of course you can make the father flower to do self-pollination, too.
4: Close the mother flower and tie it again. Put a label "mother flower's name / father flower's name" and "the date of the pollination".



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