ざっしゅきょうせい 雑種強勢 LinksSentence search for 雑種強勢Sentence search for ざっしゅきょうせいKanji details for 雑, 種, 強 and 勢Edit in JMdict Noun, Noun which may take the genitive case particle 'no'1. heterosis; hybrid vigor; hybrid vigour Discussions Log in to talk about this word.