Effects of environmental factors on anthocyanin accumulation in Lycium ruthenicum from various provenances
Received date: 2025-01-22
Revised date: 2025-05-30
Online published: 2026-03-12
Anthocyanins are potent free radical scavengers that help plants adapt to extreme environmental stresses and have important nutritional and medicinal value for humans. Studying the effect of habitat conditions on the variation in germplasm in Lycium ruthenicum can provides an important scientific basis for artificial breeding and germplasm innovation. L. ruthenicum collected from various provenances was used as the research object. Analytical methods, including structural equation model (SEM), principal component analysis, and linear regression analysis, were used to explore the effects of space, climate, and soil factors on anthocyanin accumulation in L. ruthenicum fruits. The results showed that: (1) The accumulation of anthocyanin in L. ruthenicum fruits increased significantly as altitude increased (P<0.01); altitude mainly influenced climate (β=−0.99, P<0.001) and soil total phosphorus (β=−0.90, P<0.001). (2) The accumulation of anthocyanin in wild L. ruthenicum fruits was mainly influenced by climatic factors, and the artificial cultivation of L. ruthenicum fruits was mainly influenced by soil total phosphorus. (3) The important climatic factors influencing anthocyanin accumulation in L. ruthenicum were diurnal temperature range (DTR), mean temperature of driest quarter (MTDQ), mean annual precipitation (MAP), and solar radiation. Therefore, environmental factors influencing the anthocyanin accumulation in L. ruthenicum depend on the provenance. Thus, when regulating and improving anthocyanin accumulation, it is necessary to adjust measures to local conditions and develop improvement measures to suit the corresponding environmental driving factors.
LI Jinhui , HU Jing , JIN Hongxi , WANG Qi , YAO Ze . Effects of environmental factors on anthocyanin accumulation in Lycium ruthenicum from various provenances[J]. Arid Zone Research, 2025 , 42(8) : 1525 -1535 . DOI: 10.13866/j.azr.2025.08.15
表1 14个采样点的地理、气候信息Tab. 1 Geographic, climatic information of the fourteen sampling sites |
| 采样点 | 经度(E) | 纬度(N) | 海拔/m | 气温日较差/℃ | 最干季度平均温/℃ | 年降水量/mm | 太阳辐射/(kJ·m-2·d-1) |
|---|---|---|---|---|---|---|---|
| 青海诺木洪-野生 | 96°11′ | 36°30′ | 2858 | 14.37 | -4.55 | 50 | 17047.00 |
| 青海诺木洪-人工 | 96°11′ | 36°23′ | 2806 | 14.64 | -4.57 | 45 | 17114.75 |
| 内蒙古额济纳旗-野生 | 101°10′ | 41°59′ | 919 | 13.97 | -8.78 | 43 | 16688.83 |
| 内蒙古额济纳旗-人工 | 105°32′ | 38°47′ | 1376 | 12.99 | -6.07 | 179 | 16585.92 |
| 新疆阿克苏-野生 | 79°10′ | 41°08′ | 1396 | 12.13 | -4.55 | 125 | 15676.67 |
| 新疆阿克苏-人工 | 80°56′ | 41°26′ | 1247 | 14.62 | -5.50 | 101 | 15720.17 |
| 甘肃民勤-野生 | 103°31′ | 38°46′ | 1345 | 14.17 | -6.17 | 117 | 16367.75 |
| 甘肃民勤-野生 | 102°57′ | 38°50′ | 1326 | 14.70 | -6.28 | 113 | 16501.42 |
| 甘肃民勤-野生 | 103°36′ | 39°03′ | 1306 | 14.88 | -6.37 | 110 | 16563.92 |
| 甘肃民勤-人工 | 102°58′ | 38°35′ | 1363 | 14.66 | -6.22 | 125 | 16428.17 |
| 甘肃酒泉-野生 | 98°27′ | 39°56′ | 1481 | 13.82 | -5.52 | 95 | 16687.00 |
| 甘肃酒泉-人工 | 98°53′ | 39°55′ | 1295 | 14.07 | -7.12 | 93 | 16971.42 |
| 甘肃张掖-野生 | 100°25′ | 39°01′ | 1483 | 14.05 | -6.38 | 188 | 16748.00 |
| 甘肃张掖-人工 | 99°35′ | 38°49′ | 2304 | 14.09 | -8.65 | 355 | 16503.75 |
图3 不同种源野生和人工种植黑果枸杞生境海拔-气候-土壤影响总花青素积累的结构方程模型注:系数是对每条因果路径的标准化预测;红色实线箭头表示正效应;黑色实线箭头表示负效应;箭头的粗细与标准化路径系数的大小成正比,表明关系的强弱;*和***分别表示在P<0.05和P<0.001水平显著相关;χ2表示卡方值;df表示自由度;RMSEA表示均方根近似误差;R2表示决定系数。 Fig. 3 SEM of altitude-climate-soil effects on total anthocyanin accumulation in wild and cultivated Lycium ruthenicum habitat from various provenances |
图5 青海诺木洪种源黑果枸杞移栽民勤后环境因子变化占比Fig. 5 Proportion of environmental factors changes after transplanting Lycium ruthenicum from Qinghai nuomuhong to Minqin |
本研究野外调查、样地设置和采样过程中雷成和给予了很大的帮助,在此表示衷心的感谢!
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