西瓜专用杂交砧木，种子发芽容易，整齐度高，嫁接亲和力好，成活率高，嫁接苗下胚轴粗短，深绿色，长势稳健，不易徒长，定植后极易坐瓜

Guo Zhen No.2:

Root stock for grafting watermelon, the grafted seedlings grow well with short hypocotyl and dark green leaves; the gafted plants have a better fruit set than non-grafted plants.