Crops ›› 2023, Vol. 39 ›› Issue (2): 51-56.doi: 10.16035/j.issn.1001-7283.2023.02.008

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Adaptability Analysis of High-Quality Rapeseed Dadi 95 in Main Agricultural Areas in Tibet

Zhao Caixia(), Yuan Yuting   

  1. Institute of Agriculture, Tibet Academy of Agriculture and Animal Husbandry Sciences, Lhasa 850032, Tibet, China
  • Received:2021-11-03 Revised:2022-01-21 Online:2023-04-15 Published:2023-04-11

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Abstract:

In order to study the adaptability of high-quality rapeseed Dadi 95 in the main agricultural areas of Tibet, ten counties and cities were tested including Lhasa, Duilong, Mozhu, Gongga, Zhanang, Bailang, Lhatse, Qamdo, Nyingchi, and Ali, studied agronomic traits and yield, and analyzed economic benefits of Dadi 95. The results showed that Dadi 95 could grow normally at the altitude of 3100-4000m in Tibet. The agronomic traits of different demonstration sites were quite different from 2014 to 2020, the total output was 1475.51t, the total economic benefit was 11.8040 million yuan, significantly more efficient than the control variety. In short, Dadi 95 was suitable for the ecological conditions of Tibet's main agricultural areas. The promotion and application of Dadi 95 would improve planting efficiency and promote the stable development of high-quality rapeseed industry in Tibet.

Key words: Rapeseed, Dadi 95, Adaptability, Economic benefits

Table 1

Main meteorological factors at the test sites"

气象因子
Meteorological factor		 拉萨
Lhasa		 堆龙
Duilong		 墨竹
Mozhu		 贡嘎县
Gongga		 扎囊县
Zhanang		 白朗县
Bailang		 拉孜县
Lhatse		 林芝
Nyingchi		 昌都
Qamdo		 阿里
Ali
经度Longitude (E) 91°06′ 91°07′ 92°34′ 90°98′ 91°33′ 88°89′ 87°24′ 95°28′ 97°18′ 80°10′
纬度Latitude (N) 29°36′ 29°62′ 29°83′ 29°30′ 28°81′ 28°67′ 28°47′ 28°46′ 31°13′ 32°50′
海拔Elevation (m) 3650 3850 3900 3810 3720 3890 3940 3100 3500 4000
降水量Precipitation (mm) 355.0 413.0 502.0 345.0 336.0 289.0 305.0 650.0 477.7 172.8
极端低温Extreme low temperature (℃) -7.0 -5.0 -12.0 -4.0 -7.0 -5.0 -25.1 -8.0 -6.0 -27.5
极端高温Extreme high temperature (℃) 31.0 30.0 16.0 28.0 28.0 26.0 28.2 26.0 18.0 26.5
平均温度Average temperature (℃) 12.0 13.0 8.0 13.0 10.0 10.0 7.0 8.7 7.5 3.0
平均蒸发量Average evaporation (mm) 1747.0 1437.0 1322.0 2035.0 2079.0 2240.0 1860.0 1551.3 1971.3 2445.1
日照时长The sunshine duration (h) 2700.0 2251.0 2850.0 2555.0 2474.0 2560.0 2866.5 2022.2 2400.0 3153.2

Table 2

The demonstration area of Dadi 95 in each demonstration site from 2014 to 2020 hm2"

示范点
Demonstration site		 示范面积Demonstration area 合计
Total
2014 2015 2016 2017 2018 2019 2020
拉萨Lhasa 0.07 0.07 0.13 0.13 0.13 0.13 0.13 0.79
堆龙Duilong － 1.33 6.67 13.30 16.70 20.00 20.67 78.67
墨竹Mozhu － － 3.33 13.30 13.30 16.70 18.67 65.30
贡嘎县Gongga － 3.33 6.67 20.00 26.70 30.00 60.70 147.40
扎囊县Zhanang － 3.33 13.30 26.70 26.70 26.70 37.30 134.03
白朗县Bailang － － 3.33 16.70 16.70 16.70 6.67 60.10
拉孜县Lhatse － － － 0.67 6.67 10.00 13.30 30.64
林芝Nyingchi － － － 1.33 6.67 13.30 37.30 58.60
昌都Qamdo － － － 0.67 3.33 3.33 53.30 60.63
阿里Ali － － － － 0.67 0.80 1.00 2.47
合计Total 0.07 8.06 33.43 92.80 117.57 137.66 249.04 638.63

Table 3

Analysis on agronomic characters of demonstration site of Dadi 95 in different years (2014-2020)"

示范点
Demonstration site		 全生育期
Growth
period (d)		 株高
Plant
height (m)		 分枝高度
Branch
height (m)		 分枝数
Number of
branches		 单株角果数
Number of siliques
per plant		 每角粒数
Seed number
per pod		 千粒重
1000-seed
weight (g)		 单株产量
Yield per
plant (g)
拉萨Lhasa 135dC 168.20aA 61.50abAB 5.60aA 186.32aA 29.78aA 4.60bcB 13.00aA
堆龙Duilong 138cB 147.08deC 56.51cB 4.30cdD 146.38dD 21.21bcB 4.65bcB 9.20cBC
墨竹Mozhu 140bcB 149.10dC 46.70dC 4.10dD 112.01eE 20.89cdB 4.86abA 8.50cBC
贡嘎县Gongga 138cC 160.00bB 60.31abAB 5.20bB 176.70bB 27.70aA 4.45bcB 10.99bAB
扎囊县Zhanang 138cC 157.12cB 61.33abAB 5.51aA 182.12aA 28.11aA 4.30bcB 12.55aA
白朗县Bailang 140bcB 145.13eC 48.04dC 4.78cC 140.80dD 20.42bB 4.86abA 8.90cBC
拉孜县Lhatse 145bB 149.10dC 42.00dC 4.11dD 108.62eE 18.60dC 4.96abA 7.58cC
林芝Nyingchi 132dC 163.22abA 59.39abAB 5.40abA 185.65aA 26.82bAB 4.05dC 12.85aA
昌都Qamdo 138cC 165.31aA 58.20abAB 5.10bB 162.30cC 23.88cB 4.30bcB 11.05abAB
阿里Ali 155aA 122.70fD 38.70eD 2.40fE 88.70fF 15.43eD 5.10aA 6.58dD
变异幅度Variation range 132~155 122.70~168.20 38.70~61.50 2.40~5.60 88.70~186.32 15.43~29.78 4.05~5.10 6.58~13.00
均值Mean 139.90±6.28 152.69±13.32 53.27±8.59 4.65±0.97 148.96±35.72 23.28±4.71 4.61±0.34 10.12±2.29
变异系数Variable coefficient (%) 4.49 8.73 16.13 20.91 23.98 20.23 7.30 22.63

Table 4

Analysis on the output of the demonstration site of Dadi 95 from 2014 to 2020"

示范点
Demonstration site		 品种
Variety		 折合产量
Equivalent yield (kg/hm2)		 比对照增产
Increase production compared to control (%)		 位次
Rank
拉萨Lhasa 大地95 3438.45aA 14.21 1
山油2号（CK） 3010.65
堆龙Duilong 大地95 2155.35cC 8.45 5
山油2号（CK） 1987.50
墨竹Mozhu 大地95 1924.65deD 13.95 8
当地油菜（CK） 1689.00
贡嘎县Gongga 大地95 2440.15bcBC 5.22 4
山油2号（CK） 2319.00
扎囊县Zhanang 大地95 2709.45bB 9.43 2
山油2号（CK） 2476.00
白朗县Bailang 大地95 2094.45dD 26.59 7
当地油菜（CK） 1654.50
拉孜县Lhatse 大地95 1659.30fF 15.95 9
当地油菜（CK） 1431.00
林芝Nyingchi 大地95 2453.00bcBC 5.32 3
山油2号（CK） 2329.00
昌都Qamdo 大地95 2148.00cC 4.91 6
山油2号（CK） 2047.50
阿里Ali 大地95 1630.05fE 13.91 10
当地油菜（CK） 1431.00

Table 5

Comparative analysis of quality traits of Dadi 95 in different demonstration sites (2014-2020)"

示范点
Demonstration site		 含油量Oil content (%) 硫苷Thioglycoside (μmol/g) 芥酸Erucic acid (%)
大地95
Dadi 95		 对照品种
Check variety		 大地95
Dadi 95		 对照品种
Check variety		 大地95
Dadi 95		 对照品种
Check variety
拉萨Lhasa 47.12 45.82 25.44 58.61 0.41 17.23
堆龙Duilong 48.31 46.55 29.62 62.38 0.92 18.14
墨竹Mozhu 48.81 41.22 31.23 95.97 4.31 31.92
贡嘎县Gongga 47.55 46.51 27.64 60.56 1.52 17.64
扎囊县Zhanang 48.62 47.03 28.71 58.45 1.43 17.92
白朗县Bailang 49.61 39.82 30.22 96.26 5.21 35.25
拉孜县Lhatse 49.32 40.26 30.42 98.31 5.55 36.16
林芝Nyingchi 48.56 45.91 29.44 55.32 0.71 16.81
昌都Qamdo 47.21 46.24 27.35 56.43 1.82 17.21
阿里Ali 50.32 41.56 32.41 101.38 4.52 37.31
变异幅度Variation range 47.12~50.32 39.82~47.03 25.44~32.41 55.32~101.38 0.41~5.55 16.81~37.31
均值Mean value 48.54±1.04 44.09±2.96 29.25±2.04 74.36±20.47 2.64±2.01 24.56±9.23
变异系数Variable coefficient (%) 2.15 6.72 6.97 27.53 76.22 37.58

Table 6

Analysis of the economic benefits of Dadi 95 in various demonstration sites"

示范点
Demonstration site		 示范面积
Promotion
area (hm2)		 平均产量
Average
yield (kg/hm2)		 总产量
Total
yield (t)		 增产
Increase
yield (t)		 总经济效益（万元）
Total economic
benefit (×104 yuan)		 新增经济效益（万元）
Increase economic
benefits (×104 yuan)
拉萨Lhasa 0.79 3438.45 2.72 0.39 2.17 0.31
堆龙Duilong 78.67 2155.35 169.56 14.33 135.65 11.46
墨竹Mozhu 65.30 1924.65 125.68 17.53 100.54 14.03
贡嘎县Gongga 147.40 2440.15 359.68 18.78 287.74 15.02
扎囊县Zhanang 134.03 2709.45 363.15 34.14 290.52 27.31
白朗县Bailang 60.10 2094.45 125.88 33.47 100.70 26.78
拉孜县Lhatse 30.64 1659.30 50.84 8.11 40.67 6.49
林芝Nyingchi 58.60 2453.00 143.75 7.65 115.00 6.12
昌都Qamdo 60.63 2148.00 130.23 6.39 104.19 5.12
阿里Ali 2.47 1630.05 4.03 0.56 3.22 0.45
合计Total 638.63 2265.29 1475.51 141.34 1180.40 113.07
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