## 2 Diversity and Distribution of Rice Phytoalexins
### Diterenoid Phytotalexins in Rice
#### 2.1.3 Oryzalexins
\begin{table}
\begin{tabular}{l l l l} \hline \hline
**Compound** & **Species (Subspecies, Cultivar)** & **Part of the Plant** & **References** \\ \hline \multirow{8}{*}{Momilactones A and B} & _Oryza sativa_ L. (subsp. _japonica_ cv. [PERSON]) & Seed husks & [27; 55] \\ \cline{2-3}  & _O. sativa_ (subsp. _japonica_ cv. [PERSON]; & Leaves and straw & [28; 54; 56; 57] \\  & Koshibikari; Haresugata) & & \\ \cline{2-3}  & _O. sativa_ (subsp. _japonica_ cv. [PERSON]) & Root exudates & [58; 59; 60; 61] \\ \cline{2-3}  & Wild rice species: _Oryzaa barthii_ A. Chev.; & & \\ \cline{2-3}  & _O. brachyantha_ A. Chev. et [PERSON];; _O. glaberrima_ & & \\ \cline{2-3}  & [PERSON]; _O. glumapeatula_ [PERSON]; _O. meridionalis_ & UV-light-irradiated leaves & [9; 44] \\ \cline{2-3}  & [PERSON]. [PERSON]; _O. punctata_ [PERSON]; & & \\ \cline{2-3}  & _O. rufipogon_ [PERSON]. & & \\ \cline{2-3}  & _Echinochla crus-galli_ ([PERSON]) [PERSON]. & Leaves & [45; 46] \\ \cline{2-3}  & _Calohynn plumiforme_ ([PERSON]) [PERSON] \& [PERSON] (formerly _Hyprum plumaforme_ [PERSON]) & Aerial parts & [48; 62; 63; 64; 65] \\ \cline{2-3}  & _Plagiomnatum_ ([PERSON].) [PERSON]. & Plant material & [47] \\ \hline \multirow{2}{*}{Momilactone C} & _O. sativa_ (subsp. _japonica_ cv. [PERSON]) & Seed husks & [42] \\ \cline{2-3}  & _Pseudoleskella papillosa_ ([PERSON].) [PERSON] & Plant material & [66] \\ \hline \multirow{2}{*}{Momilactones D and E} & _O. sativa_ (subsp. _japonica_ cv. [PERSON]) & Roots & [43] \\ \hline \multirow{2}{*}{Oryzalactone} & _O. sativa_ (subsp. _tropical japonica_ cv. [PERSON]; & Leaves irradiated with UV & \\  & subsp. _india_ cvs. Local Basmati and Bingala) & light or inoculated with & [9] \\ \cline{2-3}  & Wild rice species: _O. rufipogon_; _O. meridionalis_ & conidia of _Magnaporthe grisea_ & \\ \hline \multirow{2}{*}{Phytocassanes A, B, C and D} & _O. sativa_ (subsp. _japonica_ cv. [PERSON]) & Leaves infected with & \\ \cline{2-3}  & _Organaporthe grisea_ and stems & & \\ \cline{2-3}  & _Infect with Rhizoctonia solani_ & & \\ \hline \multirow{2}{*}{Phytocassanes A and D} & Wild rice species: _Oryzaa barthii_ A. [PERSON]; _O. brachyantha_ A. [PERSON]. et [PERSON]; _O. glaberrima_ & Leaves & [9] \\ \cline{2-3}  & Steud.; _O. glumapeatula_ Steud.; _O. meridionalis_ & [PERSON]. [PERSON]; _O. rufipogon_ Griff. & \\ \hline \multirow{2}{*}{Phytocassane E} & _O. sativa_ (subsp. _japonica_ cv. [PERSON]) & Suspension-cultured rice cells & \\ \cline{2-3}  & _O. sativa_ (subsp. _japonica_ cv. [PERSON]) & elicited with _Pluroophthora_ & [30] \\ \cline{2-3}  & _infestans_ mycelial extract & & \\ \hline \multirow{2}{*}{Phytocassane F} & _O. sativa_ (subsp. _japonica_ cv. [PERSON]) & UV-irradiated leaves & [31] \\ \cline{2-3}  & _O. sativa_ (almost all cultivars in the WRC) & & \\ \cline{2-3}  & Wild rice species: _Oryzaa rufipogon_; _O. glaberrima_; & UV-irradiated leaves & [9] \\ \cline{2-3}  & _O. Jurthii_; _O. glumapeatula_; _O. meridionalis_ & & \\ \hline \multirow{2}{*}{Oryzaalexin A} & _O. sativa_ (\(-\)) & Leaves infected with & \\ \cline{2-3}  & _O. sativa_ (\(69\) cultivars in the world rice core & Leaves irradiated by UV light, & \\ \cline{2-3}  & collection) and _O. rufipogon_ (\(10\) strains within & treated with jasmonic acid, or & \\ \cline{2-3}  & the clades, _Or-I_, _Or-II_, or _Or-III_) & inoculated with conidia of & [53] \\ \hline \multirow{2}{*}{Oryzaalexins B and C} & _O. sativa_ (subsp. _japonica_ cv. [PERSON]) & Leaves infected with _M. grisea_ & [33; 34] \\ \cline{2-3}  & _O. sativa_ (subsp. _japonica_ cv. [PERSON]) & Leaves infected with _M. grisea_ & [36] \\ \cline{2-3}  & _O. sativa_ (subsp. _japonica_ cv. [PERSON]) & UV-irradiated leaves & [37] \\ \hline \multirow{2}{*}{Oryzaalexin F} & _O. sativa_ (subsp. _japonica_ cv. [PERSON]) & UV-irradiated leaves & [38] \\ \cline{2-3}  & _O. sativa_ (subsp. _japonica_ cv. [PERSON]) & UV-irradiated leaves & [39; 40; 54] \\ \hline \end{tabular}
\end{table} 
Table 1: Distribution of rice diterpenoid phytoalgebras.