What are the common varieties of adzuki bean? Attached to the producing area and distribution area of adzuki bean in Yunnan

Adzuki bean is known as the "red pearl" in grain, which is not only a good nutrition to adjust people's life, but also one of the important raw materials in food and beverage processing industry. Adzuki bean is the largest in Asia in the world, and it is also produced in Africa, Europe and America. In China, it is mainly distributed in North China, Northeast China, the Yellow River and the middle and lower reaches of the Yangtze River. So what are the common varieties of adzuki beans? Where is the producing area of adzuki bean distributed in Yunnan?

Common varieties of adzuki bean

1. Jihong No. 7

The seed is short cylindrical, the seed coat is thin and glossy, light red, and the weight of 100 seeds is 13 grams. Limited podding habit, young stem green, plant height 70-80 cm, 3 branches per plant, 20-30 pods, 7 seeds per pod, pod length 7.5 cm. It takes about 108 days from emergence to maturity. About 10-150000 seedlings per hectare. The average yield per hectare is 1700 kg.

2. Liaohong Xiaodou No. 8

The variety was bred by the Institute of Economic crops, Liaoning Academy of Agricultural Sciences, won the first prize for scientific and technological progress in Liaoyang City, and was approved by the state in 2016. The grain of this variety is red, the quality is good, the grain is big and thin, the taste is good, the grain size is uniform, the commodity is good, and the 100-grain weight is as high as 26.8g. The growth period is about 100 days, with high upright yield, drought resistance, water saving, soil fertility improvement, wide adaptability, strong stress resistance and suitable for mechanical harvest. the average yield per mu is 380 jin and the high yield field is 400 jin. It is the first crop for planting structure adjustment, which is suitable for planting in Liaoning, Hebei, Inner Mongolia, Jilin, Luoyang, Henan and other places.

3. Jihong 18 (original Baohong 200635-2-1)

This variety is a new variety of adzuki bean selected independently by Baoding Academy of Agricultural Sciences. The variety has high and stable yield, and the average yield in the provincial trial is 145.4kg/667. Plant height 64.1cm, upright, lodging resistance; early maturity, growth period 96.4 days; large grain, 100-grain weight 17.0g, bright grain color, good commercial characters; experiment and demonstration also showed that Jihong 18 had good adaptability and strong disease resistance.

Second, the producing area and distribution area of adzuki bean in Yunnan

Adzuki bean is a temperature-loving crop and is not tolerant to waterlogging. Yunnan adzuki bean is generally a very late ripening type. It grows in the mixed forests of plains, ditches and hillsides at an altitude of 540-1700 meters.

The above is the introduction of adzuki bean, adzuki bean is not suitable for continuous cropping, because continuous cropping can aggravate diseases and insect pests, grow weeds, underdevelop roots, reduce root nodules, and reduce yield and quality. Therefore, it usually takes an interval of 3-4 years to replant adzuki bean plots.

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