Abstract:

Zhenong 20 is a new vegetable soybean variety bred by Zhejiang Wuwangnong Seed Industry Co., Ltd. and the Institute of Vegetables, Zhejiang Academy of Agricultural Sciences. It was approved by Zhejiang Province in 2023, with the approval number Zheshendou 2023002. It has the characteristics of high yield, good quality, high disease resistance, wide adaptability and good commercialization. It has the average reproductive period of 79.4 d, determinate podding habit, converging plant type. The plant height is 28.2 cm, main stem node is 7.7, and effective branche is 3.3. There are 29.1 effective pods per plant, with a standard pod rate of 72.6%. The standard two pod is 5.5 cm long and 1.5 cm wide, with an average of 2.0 seeds per pod. Fresh hundred pods weigh is 304.3 g, and fresh hundred seeds weigh is 79.2 g; The seeds are elliptical in shape, the seed coat is light green, the cotyledons are yellow, and the taste is fragrant, sweet, soft and glutinous. It was highly resistant to mosaic virus disease SC15 and SC18 strain, and susceptible to anthracnose. The average yield of 667 m² was 836.8 kg in the regional test of fresh spring soybeans of Zhejiang Province in 2020 and 2021, and the average yield of 667 m² was 660.0 kg in the production test of fresh spring soybeans of Zhejiang Province. This variety is suitable for spring planting in Zhejiang and surrounding provinces.

Key words: vegetable soybean, Zhenong 20, characteristics, agronomic characters, cultivation techniques