There are many varieties of tomatoes. The main cultivated varieties are Maofen 802, Yukang No.4, Yukang No.5, Qin Fen No.2, Xifen No.2, Xifen No.3, Ruby, Chaozaofeng, Zaokui, Feng Qiang, Taishenghong and Zhongshu No.4. In the selection of varieties, it should be noted that early-maturing varieties should be selected in early spring or late autumn, and mid-late-maturing varieties should be cultivated in regular seasons.
Cultivated tomato belongs to common tomato. There are five varieties: ① cultivated tomatoes, most of which belong to this variety; (2) cherry tomato, the fruit is spherical, the fruit diameter is about 2 cm, 2 rooms, red, orange or yellow; ③ Large-leaf tomato with smooth leaf margin, resembling potato leaves; ④ Pear-shaped tomato with pear-shaped fruit, red or orange; ⑤ The upright tomato stems are upright and the fruits are flat and round.
There are three systems for cultivating tomato varieties: ① Italian system: oval or oval fruit. Suitable for unsupported cultivation and processing in arid areas. Representative varieties are Luocheng No.1 and Rome; ② English system: small fruit shape, deep red, strong fruiting under the condition of low temperature and short sunshine. Represents the creation of wealth and the best varieties.
③ American system: the fruit is medium to large and has strong adaptability. The tomato varieties grown in China come from North America or Europe. After years of cultivation and breeding, there have been a number of varieties suitable for China's climate and cultivation requirements.
Is tomato a Solanum plant of Solanaceae? Annual or perennial herbs, 0.6-2 meters high, all with mucinous glandular hairs, strong smell, easily lodging stems, pinnately compound leaves or pinnately parted leaves, total peduncle 2-5 cm long, usually 3-7 flowers, radial calyx, radial corolla, oblate or nearly spherical berries, succulent, yellow seeds, flowering and fruiting in summer and autumn.
Tomatoes are native to South America and are widely cultivated in the north and south of China. Like temperature, the requirements for soil conditions are not strict, and it grows well in fertile loam with deep soil layer, good drainage and rich organic matter. Tomato fruit is rich in nutrition and unique in flavor. Can be eaten raw, cooked, processed tomato sauce, juice or whole fruit.