菌根化育苗对盐胁迫下加工番茄生长和生理特征的影响

doi:10.13304/j.nykjdb.2019.0714

中国农业科技导报 ›› 2021, Vol. 23 ›› Issue (3): 166-177.DOI: 10.13304/j.nykjdb.2019.0714

菌根化育苗对盐胁迫下加工番茄生长和生理特征的影响

顾惠敏1,陈波浪1*,孙锦2

1.新疆农业大学草业与环境科学学院, 农业农村部西北绿洲农业环境重点实验室, 乌鲁木齐 830052;
2.南京农业大学园艺学院, 南京 210095

收稿日期:2019-09-02 出版日期:2021-03-15 发布日期:2019-10-10
通讯作者: 陈波浪 E-mail：chenwang200910@sina.com
作者简介:顾惠敏 E-mail：1003082034@qq.com
基金资助:
南京农业大学-新疆农业大学联合基金项目（KYYJ201705）；
国家自然科学基金项目（31460542）

Influences of Mycorrhizal Seedling on Growth and Physiological Characteristics of Processing Tomato Under Salt Stress#br#

GU Huimin1, CHEN Bolang1*, SUN Jin2

1.Key Laboratory of Northwest Oasis Agriculture Environment, Ministry of Agriculture and Rural Affairs; College of Pratacultural and Environmental Sciences, Xinjiang Agricultural University, Urumqi 830052, China;
2.College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China

Received:2019-09-02 Online:2021-03-15 Published:2019-10-10

摘要/Abstract

摘要： 为明确不同盐分浓度胁迫下，菌根化育苗对加工番茄全生育期的生长和生理特征的影响，采用盆栽试验，设置轻、中、重度盐渍化土壤，及菌根化育苗与非菌根化育苗，共6个处理组合，即非菌根化苗+轻度(T1)、菌根化苗+轻度(T2)、非菌根化苗+中度(T3)、菌根化苗+中度(T4)、非菌根化苗+重度(T5)、菌根化苗+重度(T6)，研究不同处理在全生育期，菌根化育苗对盐胁迫下加工番茄植株生长及生理特征的影响。结果表明：盐胁迫造成加工番茄植株生长及干物质积累障碍，而菌根化育苗处理能缓解这种抑制作用。同时，菌根化育苗处理能够增加菌根侵染率和菌根依存度。与非菌根化育苗相比，菌根化育苗提高了番茄植株的N、P、K含量。整个生育期，T2处理植株体内N含量较T1处理提高5.2%~8.6%；T4处理较T3处理增加5.6%~8.8%；T6处理比T5处理提高5.2%~11.9%。在整个生育期，P含量变化表现为先升高后下降趋势，T2、T4和T6处理较T1、T3、T5提高了0.6%~24.8%。K含量在苗期至收获期，T2较T1处理最高增加了10.29 g·kg^-1，3种盐渍化土壤中，菌根化育苗处理与非菌根化育苗处理相比，地上和地下部K⁺/Na⁺增加11.1%~39.3%。不同盐渍化土壤中加工番茄产量及品质均表现为菌根化育苗处理高于非菌根化育苗处理，且随盐渍化程度的加深而下降。表明菌根化育苗能缓解盐胁迫对加工番茄株高、茎粗及干物质积累的抑制，并提高植株对养分的吸收，进而提高加工番茄产量及品质。这些结果既可为加工番茄耐盐育苗生产提供技术指导，又能为干旱区加工番茄可持续发展提供理论依据。

关键词: 菌根化育苗, 盐胁迫, 加工番茄, 生长特征, 生理特征

Abstract: In order to clarify the effects of mycorrhizal seedling on growth and physiological characteristics of processed tomato under different salinity stress, pot experiments were conducted to set up light, moderate and severe salinized soils, mycorrhizal seedling and non-mycorrhizal seedling, with a total of 6 treatment combinations, namely non-mycorrhizal seedling + light salinized (T1), mycorrhizal seedling + light salinized (T2), non-mycorrhizal seedling + moderate salinized (T3), mycorrhizal seedling + moderate salinized (T4), non-mycorrhizal seedling + severe salinized (T5) and mycorrhizal seedling + severe salinized (T6). The growth and physiological characteristics of processed tomato plants during whole growth period under different treatments were investigated. The results showed that salt stress caused obstacles to the growth and dry matter accumulation of processed tomato plants, and mycorrhizal seedling treatment could alleviate the inhibition. Mycorrhizal seedling treatments increased mycorrhizal infection rate and mycorrhizal dependency. The contents of N, P, K in mycorrhizal seedling treatments were basically higher than those in non-mycorrhizal seedling treatments. Compared to T1 treatment, N content of tomato plants in T2 treatment during whole growth period was increased by 5.2%~8.6%. N content in T4 treatment increased by 5.6%~8.8% compared to T3 treatment. N content in T6 treatment was 5.2%~11.9% higher than that in T5 treatment. Change trend of P content was increased firstly and then decreased during whole growth period. P contents in T2, T4 and T6 treatments were increased by 0.6%~24.8% compared to T1, T3 and T5 treatments. From seedling stage to harvest stage, K content in T2 treatment was increased by 10.29 g·kg^-1 compared with T1 treatment. Compared with non-mycorrhizal seedling treatments, K⁺/Na⁺ in aboveground and underground were increased by 11.1%~39.3% in three mycorrhizal seedling treatments. The yield and quality of processed tomato in mycorrhizal seedling treatments were higher than non-mycorrhizal seedling treatments, and decreased with the deepening of salinization level. The results showed that mycorrhizal seedling could alleviate the inhibition of salt stress on plant height, stem diameter and dry matter accumulation of processed tomato, and improve the nutrients absorption of plants, thus improve the yield and quality of processed tomatoes. The present research provided not only technical guidance for salt-tolerant seedling production of processed tomatoes, but also theoretical basis for sustainable development of processed tomatoes in arid areas.

Key words: mycorrhizal seedling, salt stress, processing tomato, growth characteristics, physiological characteristics

顾惠敏1,陈波浪1*,孙锦2. 菌根化育苗对盐胁迫下加工番茄生长和生理特征的影响[J]. 中国农业科技导报, 2021, 23(3): 166-177.

GU Huimin1, CHEN Bolang1*, SUN Jin2. Influences of Mycorrhizal Seedling on Growth and Physiological Characteristics of Processing Tomato Under Salt Stress#br#[J]. Journal of Agricultural Science and Technology, 2021, 23(3): 166-177.

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菌根化育苗对盐胁迫下加工番茄生长和生理特征的影响

Influences of Mycorrhizal Seedling on Growth and Physiological Characteristics of Processing Tomato Under Salt Stress#br#

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