Jingke 968 is a new maize variety selected by the Maize Research Center of Beijing Academy of Agriculture and Forestry Sciences. In 2011, it passed the examination and approval of the National Crop Variety Approval Committee, and it was ratified and numbered by Guo Juyu 2011007. The inclusion of agricultural leading varieties of the Ministry of Agriculture is the recommended variety of improved subsidies for Tianjin in 2014.
Variety source: Beijing 724 Beijing 92.
Characteristics: Emergence to maturity in the Eastern North China region for 128 days, comparable to Zhengdan 958. Seedlings are lavender leaves, green leaves, lavender leaves, anthers lavender, glume lavender. The plant type is semi-compact, plant height is 296 cm, and the ear height is 120 cm. There are 19 adult plant leaves. Filament red, ear tube type, ear length 18.6 centimeters, ear rows 16-18 lines, white cob, grain yellow, half horse tooth type, 100 weight 39.5 grams. After two years of inoculation and identification by Dandong Academy of Agricultural Sciences and Institute of Plant Protection, Jilin Academy of Agricultural Sciences, high resistance to corn mash, middle resistance to large spot disease, gray spot disease, head smut, stalk rot and Curvularia spp. According to the Ministry of Agriculture's Grain Quality Supervision, Inspection and Test Center (Harbin), the grain bulk density was 767 g/L, crude protein content was 10.54%, crude fat content was 3.41%, crude starch content was 75.42%, and lysine content was 0.30%.
Yield performance: 2009-2010 participated in regional trials of spring corn varieties in East China, the average yield of 771.1 kilograms per year, an increase of 7.1% over the control. In 2010, the average production per mu was 716.3 kg, which was 10.5% higher than the control Zhengdan 958.
Cultivation techniques: It is suitable for planting in the middle-fertility plots in the late-maturing area of ​​Tianjin. It is planted from late April to early May, and the planting density is about 4000 plants per mu.
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