Introduction to the Excellent Greenhouse Common Bean Variety No. 12 Yudou

Green beans are also called common beans and kidney beans. Today we are going to introduce a greenhouse common bean cultivar - No. 12 Yudou. No. 12 Yudou was developed through crossbreeding by the Guangzhou Vegetable Research Institute. As early as 1987, the Suizhong County Foundation Seed Farm successfully introduced and trial-planted it. At present, it has become the main greenhouse cultivar in the Suizhong area.

1. Variety Characteristics

The pods are high quality, sweet, and low in fiber. They are tolerant to storage and transport. The plants have strong stress resistance, with particularly outstanding cold tolerance, moisture tolerance, and rust resistance. They have wide adaptability, high and stable yield, and excellent market quality, making them suitable for greenhouse cultivation.

The plants are vining, with strong growth, green leaves, strong branching ability, and many repeat blooms. Flower clusters begin to form from the 6th to 11th nodes. Each flower cluster has 6 to 9 flowers and sets 2 to 5 pods. The pods are nearly oblong, 19 cm long, 1.3 cm wide, and 1 cm thick, with a single pod weighing about 14 grams. The fresh fruit is green, and the seeds are white. The 1000-seed weight is 250 grams. It is a mid-to-late maturing variety, harvested 35 to 45 days after transplanting, with a harvest period of 50 to 60 days.

2. Key Cultivation Points

1. Site Selection and Fertilization

Choose fertile, loose loam or sandy loam with high organic matter content. A pH of 6.2 to 7.0 is required, and sufficient high-quality farmyard manure should be applied.

2. Timely Sowing

In the Suizhong area, sowing is generally done from late October to mid-November. The seeds are first selected, soaked for disinfection, and then germinated. Sowing begins after the seeds sprout. Sow the seeds in nutrient pots, 3 seeds per pot, arranged in a triangle. About 10 days before transplanting, low-temperature hardening of the seedlings should be carried out.

3. Transplanting

Transplant when the seedlings have 1 to 2 true leaves. Plant 2 to 3 plants per hole, with 50 cm row spacing and 20 to 26 cm plant spacing; or 3 to 4 plants per hole, with 50 cm row spacing and 33 cm plant spacing. Average 4000 to 5000 holes per mu. Transplanting should be done on a clear day, preferably in the morning.

4. Scientific Management

After transplanting, cultivate in time, control the temperature inside the greenhouse well, ventilate promptly, and water properly to help the seedlings recover. Insert supports in time, control water during the flowering period, and irrigate fully during the pod period. Generally, topdress 2 to 3 times. After the bean vines have covered the trellis, pinch the growing tips when they get close to the greenhouse roof. This can prevent the stems and vines from tangling and affecting ventilation and light penetration. Anthracnose and rust are prone to occur in the greenhouse. Prevent high temperature and high humidity, and apply pesticides on schedule to ensure a good harvest.

3. Points to Note

1. Fertilize in appropriate amounts, preferably by deep application, and especially avoid applying undecomposed farmyard manure.

2. American leafminers and whiteflies have a relatively large impact on the later yield of common beans, so control of these two pests should be strengthened.

In summary, the above is an introduction to the variety characteristics of No. 12 Yudou. What common bean variety is generally used for greenhouse cultivation in your area? In fact, variety selection still depends on the region and climate.

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