早熟辣椒新品种京椒4号的选育

A New Hot Pepper F_1 Hybrid──‘Jingjiao No.4’

京椒4号是以山东地方羊角椒品种羊角黄经多代自交提纯选育而成的优良自交系A38为母本、以山西地方品种22号经多代自交提纯选育而成的优良自交系W23为父本配制而成的一代杂种。早熟，始花节位为第8-10节，定植至始收40d（天）；生长势强，连续结果性好，株高73cm，开展度69．5cm；果实长羊角形，果长25．0—28．0cm，横径3．0—3．2cm，肉厚0．3cm，商品果绿色，老熟果红色，味辣；单果质量65—75g，露地栽培每667m^2产量2500kg左右，保护地栽培每667m^2产量3900kg左右，适宜全国各地保护地及露地栽培。

Jingjiao No. 4 is a hot pepper F1 hybrid bred by crossing A38 as the maternal line and W23 as the paternal line. A38 is originated from horn-shaped hot pepper from Shandong while W23 is originated from hot pepper from Shanxi. It is early maturity. The fruit is sheep-horn shaped with 25.0 - 28.0 cm in length,3.0 - 3.2 cm in diameter, and 0. 3 cm in flesh thickness. Average fruit weight is 65 - 75 g. The yield is about 37.5 t · hm^-2 in the open field and about 58.5 t · hm^-2 in the protected field. It is suitable for cultivation in the protected field and the open field in China.