Suitable for export asparagus best with good yield, strong resistance, excellent tender stem quality characteristics. Here are some of the varieties that meet this characteristic for farmers' reference:
1. Atlas: Atlas is a newly-developed hybrid generation in the United States in recent years. The plants are tall and robust, with thick stems, neat and tidy numbers, more shoots, and round tops, and high yields. Strong resistance to rust, when the soil is not harvested, the stems have a dark green color and are not easy to disperse. However, their resistance to stem blight is poor. It is a combination of white and green.
2. Mary Washington: This breed was developed by Professor Knowlton of the University of California, USA. It is characterized by tall plants, strong growth, early maturation, high yield, strong resistance to rust; tender stems are large, neat, and cylindrical; bamboo shoots are round, with tight scales, and the head is not easily loose at high temperatures. The disadvantage is that the texture of the stem is rough and easy to age.
3. Tera honey: New Zealand F1 hybrids. The stalks are hypertrophy, bright green and light, neat and tidy, the top scales are tightly packed, and the tender stems are delicate in texture and delicious in flavor. Good adaptability, strong resistance, not susceptible to disease, high resistance to root rot and stem blight. It starts early and has a short dormancy period, suitable for cultivation in protected areas. After the planting, bamboo shoots can be harvested in the same year, producing 1500-2250 kg per hectare, reaching 3375-4500 kg in the second year after planting, and the output of adult bamboo shoots can reach 15,000-23,000 kg.
4, University of California 309: University of California bred. The cultivar is tall, strong and grows, has a rounded top, a beautiful appearance, excellent quality, strong resistance to rust, and a high yield. It is suitable for cultivation of green asparagus. Disadvantages are less number of stems, weak resistance to stem blight, intolerance to moisture and drought, the head becomes thin and easy to become neck-like, easily lead to lack of plants or reduced production.
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