Maria Helena Roosenboom-Kooijmans,Willem Van Vliet,Floor Cathleen Van Malland-Den Otter
申请号:
US14527330
公开号:
US09603336B2
申请日:
2014.10.29
申请国别(地区):
US
年份:
2017
代理人:
摘要:
The present invention relates to a Lactuca sativa seed designated 45-189 RZ, which may exhibit a combination of traits including resistance to downy mildew (Bremia lactucae) races Bl:1 to Bl:31 and CA-I to CA-VIII, currant lettuce aphid (Nasonovia ribisnigri) biotype Nr:0, root aphids (Pemphigus bursarius), as well as having a medium head size, large outer leaves, and moderately glossy leaves. The present invention also relates to a Lactuca sativa plant produced by growing the 45-189 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 45-189 RZ.