Which Doraemon episode was about a tree-seed thingy which became a girl? There is a tree-seed kind of a thing which Doraemon gets even though he did not buy it from the 22nd century. He tells Nobita not to use it, but he does and makes a girl. Now the girl is getting attached to Nobita and they don't know what to do. Finally, an old man sees her and realizes that she looks just like his dead daughter and so he adopts her.

Which episode was this?
These are the two I can find. The 1973 version did not adapt this story. Both are without subtitles though.

As for the summary you want, I was only able to find a Chinese version.

Chinese Summary

1979 Version in Chinese

2005 Version in Cantonese