‘Tianjiao No.13’ is a new hot pepper F1 hybrid developed by crossing 10-37 as female parent and 10-178 as male parent. It is of medium maturity. The plant has medium growth vigor. Its fruit is of sheep-horn shape. The fruit is 17.5 cm in length and 3.2 cm in width. The single fresh fruit weight is about 35.4 g. The immature fruit is green,and ripen one is dark red in color. The clarity of the pigment is 15.8. It is suitable for the extraction of Capsanthin. It can yield about 6 t·hm-2 dry pepper,which is about 50% higher than that of‘Meiguohong’. Its resistance to virus disease,phytophthora blight,anthracnose and powdery mildew are stronger than that of the contrast ‘Meiguohong’. It is suitable to be planted in open fields in Gansu Province.%天椒13号是以10-37为母本，以10-178为父本配制而成的中熟高色价辣椒一代杂种。植株长势中等，果实羊角形，纵径17.5 cm，横径3.2 cm，鲜红椒平均单果质量35.4 g。青熟果绿色，老熟果深红色，色价15.8，适合提取辣椒红色素。每667 m2干椒产量400 kg左右，田间对病毒病、疫病、炭疽病及白粉病的抗性强于对照美国红，适宜甘肃省露地种植。
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