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当前位置: 首页 > 文章 > 覆土控鞭栽培对高节竹鞭根养分和抗性生理特征的影响 浙江农林大学学报 2019 (5) 902-907
Position: Home > Articles > Soil cover with rhizome controlling cultivation of nutrients and physiological resistance for a Phyllostachys prominens rhizome system Journal of Zhejiang A&F University 2019 (5) 902-907

覆土控鞭栽培对高节竹鞭根养分和抗性生理特征的影响

作  者：
时俊帅;章超;陈双林;谷瑞;郭子武
单  位：
中国林业科学研究院亚热带林业研究所
关键词：
植物学;高节竹;覆土;鞭根;养分;抗性生理
摘  要：
为探明覆土控鞭栽培对高节竹Phyllostachys prominens鞭根养分和抗性生理特征的影响,测定了不同覆土厚度[0(ck), 10, 30, 50 cm]高节竹2年生竹鞭的细根养分含量和抗性生理指标。结果表明:与ck比较,覆土厚度30 cm及以下的覆土控鞭栽培对高节竹鞭根的氮、可溶性蛋白质、可溶性糖质量分数,丙二醛质量摩尔浓度,氮碳比,根系活力及超氧化物歧化酶、过氧化物酶活性有显著影响(P<0.05),但对鞭根碳、磷质量分数,碳磷比,氮磷比,相对电导率影响并不显著(P>0.05)。其中,随覆土厚度的增大,高节竹鞭根氮质量分数、丙二醛质量摩尔浓度、可溶性蛋白质质量分数、超氧化物歧化酶活性、过氧化物酶活性及氮碳比呈先减小后增大的趋势,可溶性糖质量分数和根系活力呈先增大后减小的趋势。表明适当厚度的覆土(10和30 cm)可在一定程度上改善高节竹鞭根的生长环境条件(水分、温度等),对高节竹生长有促进作用,但覆土厚度过大(50 cm),对鞭根生长会产生负面影响。综合竹笋品质、经济效益及竹林可持续经营能力等分析,高节竹覆土控鞭栽培适宜的覆土厚度为30 cm。表4参32
译  名：
Soil cover with rhizome controlling cultivation of nutrients and physiological resistance for a Phyllostachys prominens rhizome system
作  者：
SHI Junshuai;ZHANG Chao;CHEN Shuanglin;GU Rui;GUO Ziwu;Research Institute of Subtropical Forestry, Chinese Academy of Forestry;
关键词：
botany;;Phyllostachys prominens;;soil cover with rhizome controlling cultivation;;root and rhizome system;;nutrient;;physiological system of resistance
摘  要：
The aim is to approach the effect of soil cover with rhizome controlling cultivation on nutrients and physiological resistance of rhizome roots from Phyllostachys prominens as well as to determine the optimum soil cover thickness for high-quality root and rhizome system. The content of carbon(C), nitrogen(N), and phosphorus(P) as well as physiological indexes of rhizome roots from P. prominens with different soil cover thickness [0(ck), 10, 30, and 50 cm] were determined, and each index was measured three times. Meanwhile, the saliency test was also carried out. Results showed that compared with ck, soil covering management with moderate thicknesses (≤30 cm) influenced content of N, malondialdehyde(MDA), superoxide dismutase(SOD),peroxidase(POD), soluble protein, soluble sugar, and root activity significantly(P<0.05), but the content of C, P, C/P, N/P, and relative electrical conductivity of those treatment changed slightly(P >0.05). With soil covering thickness increaseing, content of N, MDA, soluble protein, SOD, POD, and N/C of root and rhizome systems tended to decrease first and then increase(P<0.05), but soluble sugar and root activity changed in an opposite trends(P <0.05). Thus, moderate thickness of soil covering(10 and 30 cm) could improve the growth environment conditions of root and rhizome systems to some extent, and promote growth of P. prominens,but excess thickness of soil covering would have a negative impact on root and rhizome systems. All results indicated the suitable soil covering thickness for better bamboo shoot quality, economic yield benefits, and bamboo forest sustainable management of P. prominens should be 30 cm. [Ch, 4 tab. 32 ref.]

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