印度南瓜和中国南瓜杂交的西甜瓜砧木，亲和力好，共生亲和力强，成活率高，种子发芽率高，芽势好，出苗整齐。嫁接苗耐低温弱光，根系发达，抗病性强，嫁接瓜个大，提高产量。

Guo Zhen No.1:

Root stock for grafting watermelon and melon, strong resistance to soil-borne disease; easy to survive after grafting; the grafted plants grows well under low temperature and weak light, also have more roots and larger fruit size than non-grafted plants.