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河南省中牟县姚家乡壅家村青年科技户李瑞奇,1981年从中国农科院引进日本5452西瓜,在科技人员的帮助下,进行繁育制种,经过四年连续种植,证明这个品种是一个抗病性强,耐贮运,高产,品质胜过日本“蜜宝”西瓜。 5452为中熟品种,从开花至都熟30～33天,植株长势中庸,容易座果。今年李瑞奇种了十二亩,平均单瓜重十二斤,最大的三十五斤,平均产量八千五百斤,有的地块达到一万二千斤。瓜长椭圆型,黑绿色,
Li Ricky, a young technology expert at Yao Village, Yaojia Township, Zhongmou County, Henan Province, introduced Japan’s 5452 watermelon from the Chinese Academy of Agricultural Sciences in 1981 with the help of scientific and technical personnel for breeding and seed production. After four years of continuous cultivation, it proved that this variety is a disease-resistant Strong, resistant to storage and transportation, high yield, quality better than Japan’s “Honey Po” watermelon. 5452 for the maturing varieties, from flowering to ripening for 30 to 33 days, the plant grows moderate, easy to bear fruit. This year Li Ruiqi planted 12 acres, the average single weight twelve pounds, the largest thirty-five pounds, the average yield of 8,500 pounds, and some plots reached 12,000 pounds. Melon long oval, dark green,