Breeding of a new disease-resistant tomato cultivar BY001
HAN Lanlan
LIU Yan
ZHENG Yuli
GUO Kai
PAN Ziwang
GUO Wei
Abstract：BY001 is a new large-fruit tomato cultivar bred through hybrid selection,using T5-06-012-07 as the female par-ent and 2093-01-05-01-02-01 as the male parent.The cultivar is medium-ripe,with the first flower appearing on the 8th to 9th node.The plant has moderately large leaves and a vigorous growth habit.It has a strong ability to set fruit continuous-ly,retaining 3 to 5 fruits per cluster.The fruit is large with pink peel,with average mass of about 230 g per fruit,5 cham-bers,a cross-sectional diameter of the fruit core of 4 to 5 cm,a horizontal diameter of 9.53 cm,a longitudinal diameter of 7.70 cm,and a woody thickness of 2.0 to 2.5 cm at the stem depression.The fruit has high firmness,is resistant to transportation,has no green shoulder on the young fruit,and the soluble solids content is 4.6%,the lycopene content is 53.9 mg·kg-1,and the vitamin C content is 0.09 mg·g-1.It is highly resistant to tomato wilt,and is also resistant to yellowing curly leaf virus,leaf mold,and root-knot nematode.The average yield in greenhouse is 6912.6 kg per 667 m2,making it suitable for greenhouse cultivation in northern regions.
Keywords：TomatoNew cultivarBY001F1 hybridDisease-resistant
Publication Date：2026-02-05
Online Publishing Date：2026-03-10(First online date of this platform, not the publication date of the document)
Pages：5( 225-229 )