Some of these stocks have just been isolated and the supply of seed is limited. By next summer enough seed should be available for everybody having a use for the stocks. However an attempt will be made this spring to supply any of the listed stocks as long as the supply holds out.
| Chromosome | Combination | Map distance covered by these factors | Total length of known genetic map |
| I | p-br-f1-bm2 | 125 � | 125 � |
| II | lg1-gl2-b-v4 | 80 � | 80 � |
| III | a1-na-cr1 | 79 � | 79 � |
| IV | su-Tu-gl3 | 40 � | 70 � |
| V | ys-pr-bm1 pr-bm1-v2 | 30 � 57 � | 87 � |
| VI | al-y-Pl-py | 69 � | 69 � |
| VII | Bn-gl1-v5 Bn-ra-v5 | 26 � 26 � | |
| VIII | j-ms8 | 20 � | 27 � |
| IX | yg2-c-sh-wx | 52 � | 96 � |
| X | r-g-nl | 33 � | 33 � |