Crops ›› 2020, Vol. 36 ›› Issue (1): 29-34.doi: 10.16035/j.issn.1001-7283.2020.01.006

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Selective Breeding of Fagopyrum cymosum (Trev.) Meisn Zhongjin No.1 for Medicine and Forage and the Study of the Economic Benefits

Zhang Kaixuan1,Ding Mengqi1,Li Faliang2,Tang Yu3,Yang Keli1,Yang Fuyu4,Zhang Hanmin5,Yuan Rengui6,Hu Yongping7,Zhou Meiliang1()   

  1. 1Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
    2Research Station of Alpine Crop, Xichang Institute of Agricultural Sciences, Liangshan 616150, Sichuan, China
    3College of Food Science and Technology, Sichuan Tourism University, Chengdu 610100, Sichuan, China
    4Grassland Institute, China Agricultural University, Beijing 100193, China
    5Zhejiang Huateng Animal Husbandry Limited Company, Tongxiang 314500, Zhejiang, China
    6Chongqing Jinqiaomai Ecological-Agriculture Development Limited Company, Shizhu 409199, Chongqing, China
    7Guizhou Weining Dongfangshengu Limited Liability Company, Weining 553100, Guizhou, China
  • Received:2019-08-14 Revised:2019-09-25 Online:2020-02-15 Published:2020-02-23
  • Contact: Meiliang Zhou E-mail:zhoumeiliang@caas.cn

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Abstract:

Fagopyrum cymosum (Trev.) Meisn is a kind of traditional medicinal and forage plant in the southwest region of China. It is rich in biomass, easy to breed, and low planting cost, which is suitable for planting in the high poverty region with barren soil and labor shortage. The new line, Zhongjin No.1, exhibits rapid growth, luxuriant leaves, and rich bioactive substances in the underground part, which has great potential to be developed. Further research showed that the aerial part yielded 99 000kg/hm 2and contained abundant nutrient compositions and high crude protein content. The improved feed made of Zhongjin No.1 remarkably increased the nutritional contents of meat, for example, proteins, aspartic acid and other essential amino acids, linoleic acid and other unsaturated fatty acids, and vitamin B1, and significantly decreased the content of fat compared with the normal feed. Moreover, a preliminary study of the economic benefit of F. cymosum was performed, the output-input ratio reached 2.57, indicating a great potential of economic benefit.

Key words: Fagopyrum cymosum (Trev.) Meisn, Feeding, Pork quality, Economic benefit

Table 1

The ingredients of feeds %"

组分Component 对照组
Control group		 试验组
Experimental group
玉米 Maize 65 48
豆粕 Bean pulp 20 15
小麦麸 Wheat bran 10 8
猪用预混料
Premix compound for pig		 5 4
中金1号青绿饲料
Green forage of zhongjin No.1		 0 25

Table 2

The yield of zhongjin No.1 in different test sites"

试验点
Test site		 小区1 (kg)
Block 1		 小区2 (kg)
Block 2		 小区3 (kg)
Block 3		 平均产量 (kg)
Average yield		 折算产量 (kg/hm2)
Conversion yield
重庆黔江Qianjiang, Chongqing 557.92 616.36 632.98 602.42±39.42a 111 559.25
四川凉山Liangshan, Sichuan 553.41 522.06 530.34 535.27±16.25a 99 124.07
浙江嘉兴Jiaxing, Zhejiang 595.44 562.94 502.36 553.58±47.24a 102 514.81

Table 3

The components of plant of zhongjin No.1 in different test sites"

试验点
Test site		 序号
No.		 粗脂肪(g/kg)
Crude fat		 酸性洗涤纤维(%)
Acid detergent fiber		 中性洗涤纤维(%)
Neutral detergent fiber		 粗蛋白(%)
Crude protein		 粗纤维(g/kg)
Crude fiber		 粗灰分(%)
Crude ash		 水分(%)
Moisture
重庆黔江 1 24.3 23.02 27.29 21.52 128.00 10.90 7.85
Qianjiang, 2 16.4 28.36 37.62 19.03 215.34 10.41 7.46
Chongqing 3 18.6 26.40 33.41 20.39 207.35 10.10 6.83
重庆点平均值
Average of materials
from Chongqing		 19.7±4.08a 25.92±2.70a 32.77±5.19a 20.31±1.25a 183.56±48.28a 10.47±0.40b 7.38±0.51a
四川凉山 4 18.5 30.69 37.09 20.75 199.37 13.43 6.96
Liangshan, 5 19.6 28.66 36.02 19.29 224.65 10.64 7.46
Sichuan 6 21.3 26.58 33.23 22.23 158.77 11.67 6.79
四川点平均值
Average of materials
from Sichuan		 19.8±1.41a 28.64±2.06a 35.45±1.99a 20.76±1.47a 194.26±33.24a 11.91±1.41ab 7.07±0.35a
浙江嘉兴 7 18.8 22.90 31.62 20.65 196.85 14.00 7.37
Jiaxing, 8 17.3 26.98 32.17 20.93 188.01 12.50 7.00
Zhejiang 9 20.7 23.16 26.63 23.50 190.95 14.10 8.15
浙江点平均值
Average of materials
from Zhejiang		 18.9±1.70a 24.35±2.28a 30.14±3.05a 21.69±1.57a 191.94±4.50a 13.53±0.90a 7.51±0.59a
平均值Average 19.5 26.31 32.79 20.92 189.92 11.96 7.32

Table 4

The nutritional contents of pork from the control groups and experimental groups"

项目Item 检测依据Test tasis 对照组Control group 试验组Experimental group 变化率Change rate (%)
水分Moisture (%) GB/T 9695.15-2008第一法 50.20 70.80 +41.04
蛋白质Protein (g/100g) GB/T 9695.11-2008 15.60 20.29 +30.06
脂肪Fat (%) GB/T 9695.7-2008 30.40 6.80 -77.63
粗灰分Crude ash (%) GB 5009.4-2010 1.20 1.20 0.00
胆固醇Cholesterol (mg/100g) GB/T 22220-2008 64.30 61.90 -3.73
维生素B1 Vitamin B1 (mg/100g) GB/T 5009.84-2003 0.38 0.96 +152.63
维生素B2 Vitamin B2 (mg/100g) GB/T 5009.85-2003 0.19 0.22 +15.79
天门冬氨酸Aspartic acid (mg/100g) GB/T 5009.124-2003 1.36 1.81 +33.09
苏氨酸Threonine (g/100g) GB/T 5009.124-2003 0.72 0.96 +33.33
丝氨酸Serine (g/100g) GB/T 5009.124-2003 0.58 0.78 +34.48
谷氨酸Glutamic acid (g/100g) GB/T 5009.124-2003 1.97 2.70 +37.06
脯氨酸Proline (g/100g) GB/T 5009.124-2003 0.54 0.72 +33.33
甘氨酸Glycine (g/100g) GB/T 5009.124-2003 0.72 0.89 +23.61
丙氨酸Alanine (g/100g) GB/T 5009.124-2003 0.87 1.13 +29.89
缬氨酸Valine (g/100g) GB/T 5009.124-2003 0.60 0.78 +30.00
蛋氨酸Methionine (g/100g) GB/T 5009.124-2003 0.34 0.42 +23.53
异亮氨酸Isoleucine (g/100g) GB/T 5009.124-2003 0.63 0.84 +33.33
亮氨酸Leucine (g/100g) GB/T 5009.124-2003 1.22 1.64 +34.43
酪氨酸Tyrosine (g/100g) GB/T 5009.124-2003 0.51 0.66 +29.41
苯丙氨酸Phenylalanine (g/100g) GB/T 5009.124-2003 0.61 0.84 +37.70
赖氨酸Lysine (g/100g) GB/T 5009.124-2003 1.29 1.74 +34.88
组氨酸Histidine (g/100g) GB/T 5009.124-2003 2.38 2.87 +20.59
精氨酸Arginine (g/100g) GB/T 5009.124-2003 0.93 1.24 +33.33
硬脂酸Stearic acid (%) GB 17376-2008、GB 17377-2008 12.20 11.60 -4.92
油酸Oleic acid (%) GB 17376-2008、GB 17377-2008 47.60 43.80 -7.98
亚油酸Linoleic acid (%) GB 17376-2008、GB 17377-2008 7.60 15.50 +103.95
α-亚麻酸α-linolenic acid (%) GB 17376-2008、GB 17377-2008 0.20 0.60 +200.00

Table 5

Economic benefits of different crops"

作物Crop 产量Yield (kg/hm2) 产出
(元/hm2)
Output
(yuan/hm2)		 投入(元/hm2) Input (yuan/hm2) 纯收入
(元/hm2)
Net income
(yuan/hm2)		 产投比
Output-input ratio
地上
Aboveground		 地下
Underground		 种子
Seed		 肥料
Fertilizer		 农药
Pesticide		 用工
Labor		 地租
Rent		 小计
Subtotal
当地金荞麦
Local Fagopyrum cymosum		 60 000 22 500 97 500 9 000 1 800 0 19 500 7 500 37 800 59 700 2.57
玉米Maize 9 000 0 23 400 900 1 800 75 6 000 7 500 16 275 7 125 1.44
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