【Main Characters of Varieties】
The tropical and subtropical corn group emerges to maturity 109.1 days, which is 3.8 days earlier than the control Guidan 162. The seedling sheath is purple, the leaves are dark green, the anthers are light purple, and the glumes are light purple. The plant is semi-compact, with a plant height of 269 cm, a spike height of 111 cm, and a plant with 21 leaves. The ear is tube-shaped, the ear length is 17.8 cm, the number of ear rows is 16-18, the ear thickness is 5.1 cm, the cob is white, the grain is yellow, and the grain is hard, and the hundred-grain weight is 28.3 grams. The grain weight is 788 g/L, the crude protein content is 10.96%, the crude fat content is 3.92%, the crude starch content is 73.65%, and the lysine content is 0.35%.
【Adaptability】
Participated in the tropical and subtropical corn group green channel regional trial from 2018 to 2019. The average yield per mu in two years was 611.6 kg, which was an increase of 7.4% over the control Guidan 162. In the 2019 production test, the average yield per mu was 563.6 kg, an increase of 5.7% over the control Guidan 162. Vaccination identification, resistance to gray spot disease, medium resistance to stem rot, ear rot, small spot, southern rust, large spot and sheath blight.
【Main cultivation measures】
1. It is suitable for planting in tropical and subtropical corn areas, and the temperature is stable above 12 ℃ for suitable sowing period.
2. The density is about 3500 plants per mu.
3. Pay attention to the prevention and control of large leaf spot and sheath blight, and harvest at the right time.
4. Apply sufficient base fertilizer, early application of seedling fertilizer, re-application of attacking fertilizer, generally 1500 kg of farm manure, 20 kg of urea, 40 kg of phosphate fertilizer, and 25 kg of potash fertilizer per mu. The attacking fertilizer shall be applied 15 days before tasseling, general Apply 15 kg of ammonium bicarbonate and 7.5 kg of urea.
[Suitable area for planting]
It is suitable for planting in the tropical and subtropical corn regions of Guangxi Autonomous Region, Guangdong Province, Guizhou Province and the low-heat river valleys bordering Guangxi, and Wenshan, Mile, Lincang, Kunming, Xishuangbanna, Dehong and other cities of Yunnan Province where the altitude is below 800 meters.