关键词: 菊芋, 品种, 抗逆

Abstract: ‘Mengyu 3’jerusalem artichoke is an excellent descendant obtained by artificial hybridization from the white jerusalem artichoke strain of Nanjing Agricultural University as a female parent and the local red jerusalem artichoke material of Shaanxi Province as a male parent. The plant is late maturing，the growth period is from 125 to 155 days，and its average height is 2.4 m，the number of first-level branches is from two to five. The tuber is pink skin and bud eyes，which with concentrated and regular pattern. The yield of tuber can reach 33 180 to 35 000 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, stress resistance