超甜玉米新品种甘甜3号是以自育系J甜26为母本，自育系J甜01为父本选育的杂交种。2008—2009年在广东省甜玉米区域试验中，甘甜3号2 a鲜穗平均折合产量15 875.1 kg/hm2，比对照品种增产11.05%。甘甜3号株高194.5 cm，幼苗长势强，成株株型半紧凑，茎秆较粗，持绿性好，抗倒伏，从出苗到采收期平均生育期70 d。单穗鲜重322.5 g，千粒重355.5 g，出籽率70.98%，一级果穗率83.5%。果穗筒型，籽粒黄色。乳熟期籽粒可溶性糖含量为23.46%，适口性较好。抗纹枯病、茎腐病、大斑病、小斑病。适于广东及华南地区同类生态区春秋种植。

Gantian 3 is a newly bred sweet corn variety by parental combination of inbred line J-tian 26 with J-tian 01. The average fresh ear yield of the variety reaches 15 875.1 kg/hm2， which is 11.05% higher than that of the checkin in the regional test conducted in the period 2008—2009 in Guangdong province . The results shows that plant height is 194.5 cm， with strong seedlings growth， semi-compacted adult plant stem， robust plant growth， good green-holding capacties， well developed root system， and reliable resistance to lodging， the average growth duration is 70 days from germination to harvesting . The results indicates that the weight of single ear is 322.5 g， thousand kernec weight 355.5 g， seed production rate 70.98%， fist-classear rate 83.5%， with tube like shape and yellow grain . The soluble sugar content in grain is 23.46% in milky stage with good palatability . It is resistant to sheath blight， stem rot disease， large blotch， leaf blight . It is stuitable to be grown in spring and autumn in Guangdong and other regions of southern China with similar ecological conditions .

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