Abstract:

To select high-quality fresh waxy maize varieties suitable for planting in Mangshi of Dehong Prefecture of Yunnan Province, the new varieties of fresh waxy maize Decainuo, Ruinuo 8, Yunnuo 9, Sidanuo 68, Sidanuo 70 and Tianminuo 29 were selected to conduct field experiment through the comprehensive evaluation of growth period, agronomic traits, disease resistance, fresh ear yield, quality scores, and other indicators in comparison of main cultivation variety Shinuo 2 (control) in the experimental base of Dehong Agricultural Science Research Institute in 2023. The results showed that fresh ear yield (10 528.30-14 834.08 kg·hm^-2) of tested varieties were higher than that of control, and the total score of sensory quality and cooking quality was 78-88. All tested varieties did not occur leaf spot disease, small spot disease and grey spot disease in the field, but there were two new varieties (Sidanuo 70, Tianminuo 29) occurred rust disease, while other varieties did not occur rust disease. Compared with other varieties, the new varieties Decainuo and Yunnuo 9 showed moderate growth period, semi-compact plant type, long conical ear shape, more grains number, high grain-weight, good field uniformity, stable agronomic traits, strong disease resistance, obvious high yield ability, excellent cooking quality, which are suitable for further test and promotion in Mangshi Area.

Key words: fresh waxy maize, agronomic traits, yield, cooking quality