瓜类栽培常发生枯萎病,为了避免为害和保持低温下的长势,而进行嫁接栽培。近年来由于瓜类急性萎凋病为害,尤以在连作地上,即使进行嫁接栽培,也常有发病。 一、发生现状与问题: 农林水产省蔬菜试验场在全国调查了嫁接栽培的实际效果。全国以西瓜嫁接栽培面积最多,占西瓜栽培总面 Fusarium disease occurs frequently cultivated, in order to avoid damage and maintain the low temperature growth, and grafting cultivation. In recent years due to melon acute wilt disease, especially in the continuous cropping, even if grafting cultivation, but also often disease. First, the occurrence of the status quo and problems: the Ministry of Agriculture, Forestry and vegetables test field in the country investigated the actual effect of grafting cultivation. Watermelon grafting cultivation area up to the national total watermelon cultivation