I learned of the Ivanov experiments after the topic of hybridization came up at a blog I used to follow: https://en.wikipedia.org/wiki/Ilya_Ivanovich_Ivanov htt

I learned of the Ivanov experiments after the topic of hybridization came up at a blog I used to follow: https://en.wikipedia.org/wiki/Ilya_Ivanovich_Ivanov https://en.wikipedia.org/wiki/Ilya_Ivanovich_Ivanov