BREEDING OF A MALE STERILE LINE ON THE WELSH ONION (ALLIUM FISTULOSUM L. VAR GIGANTEUM MAKINO) AND PRELIMINARY STUDY OF ITS HETEROSIS

Male sterile line 4A and its maintainer line 4B of Welsh onion (A. fistulosum L. var gigantum Makino) were obtained through 4 generations by using test – crossing – back – crossing and pollen parents selfing method with sterile plants found in "Zhangqiu" cultiver being male sterility source.
The sterile plant rate of sterile line and fertile plant rate of maintainer line were more than 95%, with 4A being maternal line, hybrids with significant yield heterosis 4A x Zhou2–2, 4A x Long6–1 were successfully bred, surpassing check cultivar in yield 24.9% and 83.8% respectively.

International Symposium on Cultivar Improvement of Horticultural Crops. Part 1: Vegetable Crops

Z. Qipei, W. Youying, Z. Song

Allium fistulosum L. var giganteum Makino, male sterile line, heterosis

https://doi.org/10.17660/ActaHortic.1995.402.44