关键词: 菊芋, 品种

Abstract: Jerusalem artichoke ‘Mengyu 1’ is an excellent descendant obtained by artificial hybridization from the local red Jerusalem artichoke material on the Tumochuan Plain in Inner Mongolia as a female parent and white Jerusalem artichoke strain from Nanjing Agricultural University as a male parent. The plant has a growth period from 120 d to 156 d，and its average height is 3.2 m，the number of first-level branches is from 5 to 9. The tuber is concentrated with irregular pattern. The tuber skin and bud eyes are white. The yield of tuber can reach 25 397.1–30 600 kg · hm^-2. It has strong stress resistance，and is suitable to plant in arid and semi-arid and desertified regions where the annual rainfall is above 300 mm.

Key words: jerusalem artichoke, cultivar