Variety Name: Guangdong Sweet No. 11
Breeding Unit: Crop Research Institute of Guangdong Academy of Agricultural Sciences
Variety Origin: Parent 1022, from Super Sweet Corn 102; Parent C4, from U.S. Super Sweet Corn x Thai Tropical Blood Common Corn.
Provincial Validation: Validated by Guangdong Crop Variety Validation Committee in 2006
Characteristics: 82.9 days from seedling emergence to fresh cob harvest in Southeast China, maturing 1.2 days later than the control, Guangdong Sweet No. 3. Seedlings have green leaf sheaths, green leaf blades, green leaf margins, green anthers and green glumes. The plant is semi-compact, with a plant height of 198 cm, spike height of 68.9 cm, and the number of leaves of the adult plant is 18. The filaments are light green, and the spikes are cylindrical, with a length of 22.4 cm, a thickness of 4.8 cm, a number of rows of 14 to 16, a white rachis, yellow seeds, and a 100-grain weight (fresh seed) of 38.63 grams.
By the Chinese Academy of Agricultural Sciences Institute of Crop Science two years of inoculation identification, moderate resistance to small spot disease, stem rot and blight, susceptible to large spot disease and corn borer, highly susceptible to dwarf foliar disease. By the Southeast fresh sweet corn varieties of regional trials host unit organized by experts tasting identification, to meet the Ministry of Sweet Corn Grade II standard. After two years of quality determination by Yangzhou University College of Agriculture, water-soluble sugar content of 19.42% to 20.09%, reducing sugar content of 7.51% to 13.9%, to meet the Ministry of sweet corn standards (NY/T523-2002).
Yield performance: in 2005 to 2006 to participate in the Southeast fresh sweet corn varieties regional test, two years the average mu yield of 944.3 kilograms of fresh spikes, than the control Guangdong sweet No. 3 yield increase of 17.9%.
Cultivation technology points: medium fertility above the plot cultivation, the appropriate density of 3200-3400 plants per mu. Pay attention to the prevention and control of dwarf leaf disease and corn borer.
Validation opinion: the variety meets the national corn variety validation standards, through the validation. Suitable for planting in Guangdong, Guangxi, Zhejiang, Jiangsu, Shanghai, Fujian as fresh sweet corn varieties, pay attention to the prevention and control of corn borer, dwarf leaf disease areas of caution.