A general term for hybrids between oranges and trifoliate oranges. A hybrid between a citrange and a kumquat is called a citrange cut. All of these are used as rootstocks for citrus fruits, and there are many combinations, with breeding progressing in the United States. Rusk citrange is a hybrid between a sweet orange and trifoliate orange, and is often used as a rootstock for early-ripening and regular-ripening Satsuma mandarins. Troyer citrange is a hybrid between a Washington navel and trifoliate orange, and is resistant to the tristeza virus, a type of citrus virus. [Muneo Iizuka] Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
オレンジ類とカラタチとの雑種の総称。またシトレンジとキンカンとの雑種をシトレンジカットとよぶ。いずれも柑橘(かんきつ)類の台木として用いられるもので、多数の組合せがあり、アメリカでの育種が進んでいる。ラスクシトレンジはスイートオレンジとカラタチとの雑種で、早生(わせ)や普通系の温州(うんしゅう)ミカンの台木としてよく用いられる。トロイヤーシトレンジはワシントンネーブルとカラタチとの雑種で、柑橘類ウイルスの一種であるトリステザウイルスに強い。 [飯塚宗夫] 出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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