TABLE 1

The rates of seed setting observed in crosses between 12 cultivated strains (O. sativa) and W593A (O. rufipogon) carrying Cif

Crossed with male W593ACrossed to female W593A
No. of florets pollinatedNo. of seeds obtainedNo. of florets pollinatedNo. of seeds obtained
StrainsTypeNormalAbortedSeed setting (%)NormalAbortedSeed setting (%)
T65 wxJaponica12080366.733140177 12.1 a
T65Japonica6143270.579945 11.4
KoshihikariJaponica4634373.9882329 26.1
NipponbareJaponica4235583.332122 3.1
A58Japonica5625344.6591030 16.9
ShiokariJaponica4619341.369641 8.7
KitaakeJaponica4726655.342129 2.4
YukaraJaponica2316269.638227 5.3
221Javanica6239162.955432 7.3
IR36Indica4533373.33723262.2
868Indica5427250.06332150.8
Acc27593Indica2619173.13322266.7
108Indica4622347.85133464.7
  • a Underlined numerals show incompatible crosses that were judged from the rates of seed setting and aborted seeds.