西瓜早熟栽培常采用抗枯萎病砧木进行嫁接育苗。目前应用较广的瓠瓜砧木与西瓜嫁接，虽然亲和性较强，对品质影响也不大，但在低温情况下不如南瓜砧木，且西瓜在生长中期易发生突然死亡的现象。新土佐南瓜为日本南瓜与印度南瓜的一代杂种，青岛市农科所经过筛选和改良，已... Watermelon precocious cultivation often use wilt resistant rootstock grafting nursery. At present, the widely used melon rootstocks are grafted with watermelon. Although their affinity is relatively strong, they have little effect on quality, but they are not as good as pumpkin rootstocks under low temperature conditions. Sudden deaths are likely to occur in the mid-growth stage of watermelon. New Tosa pumpkin for the Japanese pumpkin and Indian pumpkin generation of hybrids, Qingdao Agricultural Institute after screening and improvement, has ...