'Aijou' has several meanings; without seeing the kanji (or without context), it is impossible to translate with certainty. It is likely, however, that the 'aijou' you are referring to means "affection."
aijou
Either 'aijou' or 'manamusume'
Aijou monogatari - 1984 is rated/received certificates of: Japan:U
I'm not shore how to explain it but you can go to google and type in Japanese symbol for love. some of the words for love in Japanese are koigokoro, ai, aijou, ji, aikou, suki, renai, and koi. the last one is passionate love between husband and wife
You may say 'ai no nai,' written: 愛のない
The cast of Aijou ippon - 2004 includes: Ken Kaito as Motizuki Taro Aya Matsuura as Tomoe Natsuyagi Masatoshi Nakamura as Tadashi Akira Natsuyagi
Aijou would be pronounced like eye and joe put together. If you want to get more specific, say A like in father I like the E in Easy Jo like joe, but shortened U like ooh
'Ability' in Japanese is 能力 (nouryoku).Example:人間は愛情を感じる能力がある (ningen wa aijou o kanjiru nouryoku ga aru) - Humans have the ability to feel love.
The use in bonsai is: warm affection for life under our care and responsibility
Didi does not mean anything in Japanese.
Deniva does not mean anything in Japanese.