Exploring the better genetic options from indigenous material to cultivate tomato under high temperature regime

IF 1.2 4区生物学 Q2 Agricultural and Biological Sciences

Journal of Applied Botany and Food Quality-Angewandte Botanik Pub Date : 2017-12-01 DOI:10.5073/JABFQ.2017.090.042

Araiz Nazir, M. R. Shaheen, C. M. Ayyub, R. Hussain, Nadeem Sarwer, M. Imran, Muhammad Aurangzaib, M. Nawaz, Muhammad Faizan Ali Khan, Yussra Yawad, M. Iqbal

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引用次数: 2

Abstract

Screening test was conducted on 54genotypes of tomato to analyze the effect of heat stress and categorize them as heat tolerant or heat susceptible ones. Seedlings were grown at temperatures of 28/22oC day/night. Four weeks after sowing, plants were exposed to high temperatures of 40/32oC day/night for one week. Data for various morphological (root and shoot length, root and shoot fresh and dry weight, number of leaves) and physiological parameters (chlorophyll contents, sub-stomatal CO2, transpiration rate, stomatal conductance, photosynthetic rate, water use efficiency and leaf temperature) were recorded. Heat stress had a negative effect on all physiological and morphological processes of the genotypes. However, “Parter Improved”, “Legend” and “Roma” were the most tolerant genotypes whereas “Grus Chovka”, “Nepoli”, “Tima France”, “Kaldera” and “Cold Set” were susceptible to heat stress.

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探索利用原生材料进行高温番茄栽培的优良遗传选择

对54个番茄基因型进行了筛选试验，分析了热胁迫对番茄生长发育的影响，并将其分为耐热型和感热型。幼苗在28/22摄氏度的昼夜温度下生长。播种四周后，将植物暴露在40/32摄氏度的高温下一周。记录了各种形态（根冠长度、根冠鲜干重、叶片数）和生理参数（叶绿素含量、亚气孔CO2、蒸腾速率、气孔导度、光合速率、水分利用效率和叶片温度）的数据。热胁迫对基因型的所有生理和形态过程都有负面影响。然而，“Parter Improved”、“Legend”和“Roma”是最耐受的基因型，而“Grus Chovka”、“Nepoli”、“Tima France”、“Kaldera”和“Cold Set”则易受热应激影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Applied Botany and Food Quality-Angewandte Botanik 生物-植物科学

CiteScore

2.50

自引率

0.00%

发文量

审稿时长

20 weeks

期刊介绍： The Journal of Applied Botany and Food Quality is the Open Access journal of the German Society for Quality Research on Plant Foods and the Section Applied Botany of the German Botanical Society. It provides a platform for scientists to disseminate recent results of applied plant research in plant physiology and plant ecology, plant biotechnology, plant breeding and cultivation, phytomedicine, plant nutrition, plant stress and resistance, plant microbiology, plant analysis (including -omics techniques), and plant food chemistry. The articles have a clear focus on botanical and plant quality aspects and contain new and innovative information based on state-of-the-art methodologies.