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[1]杨玉莲,刘小丽,吴丽君,等.川中丘陵区柏木(Cupressus funebris)土壤浸提液对3种农作物种子萌发和幼苗生长的影响[J].应用与环境生物学报,2020,26(02):394-399.[doi:10.19675/j.cnki.1006-687x.2019.05042]
 YANG Yulian,LIU Xiaoli,WU Lijun,et al.Effects of Cupressus funebris rhizospheric soil extracts on seed germination and seedling growth of three crops in a Hilly Area of the Central Sichuan Basin[J].Chinese Journal of Applied & Environmental Biology,2020,26(02):394-399.[doi:10.19675/j.cnki.1006-687x.2019.05042]
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川中丘陵区柏木(Cupressus funebris)土壤浸提液对3种农作物种子萌发和幼苗生长的影响
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
26卷
期数:
2020年02期
页码:
394-399
栏目:
研究论文
出版日期:
2020-04-25

文章信息/Info

Title:
Effects of Cupressus funebris rhizospheric soil extracts on seed germination and seedling growth of three crops in a Hilly Area of the Central Sichuan Basin
作者:
杨玉莲刘小丽吴丽君刘瑶吴庆贵
绵阳师范学院生态安全与保护四川省重点实验室 绵阳 621000
Author(s):
YANG Yulian LIU Xiaoli WU Lijun LU Yao & WU Qinggui?
Ecological Security and Protection Key Laboratory of Sichuan Province, Mianyang Normal University, Mianyang 621000, China
关键词:
柏木土壤浸提液化感作用种子萌发幼苗生长农作物
Keywords:
Cupressus funebris soil extract allelopathy seeds germination seedling growth crops
DOI:
10.19675/j.cnki.1006-687x.2019.05042
摘要:
某些植物和土壤浸提液的化感作用会影响种子萌发和幼苗生长. 关于川中丘陵区的柏木(Cupressus funebris)土壤浸提液对作物种子萌发和幼苗生长是否有影响以及如何影响,推测柏木的土壤浸提液可能抑制作物的种子萌发和幼苗生长. 采用室内种子萌发实验,研究土壤浸提液(0.00 g/mL、0.01 g/mL、0.02 g/mL、0.05 g/mL和0.10 g/mL)对番茄(Lycopersicon esculentum)、辣椒(Capsicum annuum)和茄子(Solanum melongena)种子萌发和幼苗生长的化感作用. 结果表明,不同浓度土壤浸提液对作物种子萌发和幼苗生长有一定的影响,但与物种有关. 0.01 g/mL的土壤浸提液显著提高番茄的活力指数、降低根鲜重,0.05 g/mL的土壤浸提液显著增加番茄的根长,而0.10 g/mL的土壤浸提液显著降低番茄的发芽率. 4种浓度的土壤浸提液均显著降低辣椒的发芽势和苗鲜重,而辣椒的根长和根鲜重主要在0.01 g/mL、0.02 g/mL和0.05 g/mL的土壤浸提液下降显著. 对茄子而言,4种浓度的土壤浸提液均显著提高其活力指数、降低鲜根重. 综合化感效应指数表明,柏木土壤浸提对番茄和茄子表现为抑制和促进作用,而辣椒仅表现为抑制作用,且3种作物的化感敏感性为辣椒>茄子>番茄. 综上,柏木土壤浸提液能影响作物种子萌发和幼苗生长,且在川中丘陵区,辣椒可能不适合种植在以柏木为坡地防护林的坡耕地中. (图2 表3 参33)
Abstract:
The allelopathic effects of certain plant and soil extracts can impact seed germination and seedling growth. However, it remains to be determined whether and how the soil extracts of Cupressus funebris impact seed germination and seedling growth of the crops of the Hilly Area of the Central Sichuan Basin. We hypothesized that the soil extracts of Cupressus funebris would restrain both the seed germination and seedling growth of the crops. We conducted a laboratory experiment to examine the allelopathic effects of the soil extracts (0.00 g/mL, 0.01 g/mL, 0.02 g/mL, 0.05 g/mL, and 0.10 g/mL) on the seed germination and seedling growth of tomato (Lycopersicon esculentum), pepper (Capsicum annuum), and eggplant (Solanum melongena). Our results demonstrated that variation in soil extracts can impact seed germination and seedling growth, but the effects were species specific. In tomato plants, the vigor index significantly increased, but the fresh root weight significantly decreased at 0.01 g/mL of soil extracts. Tomato root length significantly increased at 0.05 g/mL of soil extracts, whereas the seed germination rate decreased at 0.10 g/mL of soil extracts. Soil extracts obviously reduced the germination energy and fresh seedling weight of pepper. The root lengths and fresh root weights of pepper were obviously decreased at 0.01 g/mL and 0.02 g/mL of soil extracts, respectively. For eggplants, soil extracts significantly increased the vigor index but decreased the fresh root weight. The comprehensive allelopathic effect index indicated that tomato and eggplant exhibited inhibitory and stimulatory effects, while pepper exhibited only an inhibitory effect. Meanwhile, the allelopathic sensitivity of crops to soil extracts was as follows: pepper > eggplant > tomato. These results demonstrate that soil extracts can impact seed germination and seedling growth. Our results also suggest that pepper planting should be avoided in the slopes of farmland with Cupressus funebri in the Hilly Area of Central Sichuan Basin.

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更新日期/Last Update: 2020-04-25