辣椒新品种鼎优五号的选育

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Abstract： Dingyou No.5 isanew peppercultivar with highyieldanddiseaseresistance，which is stableandconsistent in character through hybridization with DPo05（female parent）and DP256（male parent）.This cultivar was cultivated in the southern area of Huang-Huai-hai in early spring， the whole growth period is atout 124d ，the plant growth was strong， the plant height was 60cm ，the plant width was 60cm ，the branch began at 7-8 nodes，the fruit seting ability was strong， thefruit rising speed was fast，and the transportresistance wasgood.The fruit has horn shape，fresh green，straight smooth，glossy，vertical stem 23-32cm ，horizontal stem 5.0-6.5cm ，single fruit mass si 150-210g .Vitamin Ccontent of commercial fruit is 89.35mg⋅100g⋅1 ，capsaicin content is 0.36% . The 667m2 yield isabout 4300kg .Field identification showedthatthecultivarwasvirulent，phytophthorablight，andanthracnose.Itissuitableforplanting inearlyspringand autumn in open and protected areas of Huang-Huai-Hai ecological zone.

Keywords：Pepper;Newcultivar;Dingyou No.5;Disease resistance; F1 hybrid

1育种目标

辣椒（Capsicumannuum）是世界上重要的蔬菜作物之一，也是我国栽培面积最大的蔬菜品种[-2]。（剩余4955字）