加工番茄亲代与子代生长期内源激素含量与植株生长相关性分析

doi:10.6048/j.issn.1001-4330.2021.01.005

新疆农业科学 ›› 2021, Vol. 58 ›› Issue (1): 40-48.DOI: 10.6048/j.issn.1001-4330.2021.01.005

• 作物遗传育种·种质资源·分子遗传学·耕作栽培·生理生化 • 上一篇下一篇

加工番茄亲代与子代生长期内源激素含量与植株生长相关性分析

王海琪, 庞胜群, 杜红艳, 吉雪花, 马海翔, 张小燕

石河子大学农学院园艺系/特色果蔬栽培生理与种质资源利用兵团重点实验室/新疆生产建设兵团绿洲生态农业重点实验室,新疆石河子 832003

收稿日期:2019-03-10 出版日期:2021-01-20 发布日期:2021-01-20
通信作者: 庞胜群(1970-),女,安徽人,副教授,硕士生导师,研究方向为蔬菜遗传育种,(E-mail)pangshqok@sh2.edu.cn
作者简介:王海琪(1995-),女,新疆喀什人,硕士研究生,研究方向为蔬菜遗传育种,(E-mail)870963773@qq.com
基金资助:
新疆建设兵团科技支疆计划“甲基磺酸乙酯(EMS)诱变加工番茄突变体及种质资源创新”(2014AB004);石河子大学校级课题“加工番茄突变体创新利用及新品种选育”(gxjs2015-yz01)

Correlation Analysis between Source Hormone Content and Plant Growth during Processing Tomato Growth

WANG Haiqi, PANG Shengqun, DU Hongyan, JI Xuehua, MA Haixiang, ZHANG Xiaoyan

Key Laboratory of Cultivation Physiology and Germplasm Resources Utilization of Featured Fruits and Vegetables of Xinjiang Production and Construction Corps, College of Agronomy, Shihezi University/Key Laboratory of Oasis Eco-agriculture of Xinjiang Production and Construction Corps, Shihezi Xinjiang 832003, China

Received:2019-03-10 Online:2021-01-20 Published:2021-01-20
Correspondence author: PANG Shengqun (1970 -), female, born in Anhui. associate professor, mastertutor,research direction for vegetable genetics and breeding, (E-mail))pangshqok@sh2.edu.cn
Supported by:
Xinjiang Construction Corps Science and Technology Support Plan“Ethyl Methanesulfonate (EMS) Mutation of Processing Tomato Mutants and Innovation of Germplasm Resources”(2014AB004);Shihezi University School-level project“Innovation and Utilization of Processing Tomato Mutants and New Variety Breeding” (gxjs2015-yz01)(gxjs2015-yz01)

摘要/Abstract

摘要： 【目的】 研究加工番茄亲代与子代在不同生长时期叶片内源激素含量与植株生长指标的相关性,分析内源激素对植株生长发育的影响,为杂交育种中亲本的选择和选配、杂交后代的选育提供理论参考。【方法】 以亲本T59、JW9、HZ38为参照,经系统选育获得的高代自交系Dg46-1和Dg149-1为试材,测定加工番茄不同生育时期植株叶片生长素(IAA)、赤霉素(GA₃)的含量,以及不同生育时期生长指标(株高、茎粗、叶面积),分析内源激素与生长指标的相关性。【结果】 加工番茄杂交亲本及其后代随着生长发育叶片内赤霉素及生长素含量均呈下降趋势,苗期内源激素含量显著高于其他时期,且苗期叶片赤霉素和生长素含量与株高、茎粗、叶面积均呈正相关,其中与株高的相关性均达极显著水平。除了花期茎粗与赤霉素含量呈显著负相关,结果期株高与生长素含量呈显著负相关外,蕾期、花期、结果期叶片内源激素含量与植株生长指标的相关性均不显著。杂交育种中,不同父本与同一个母本杂交,经系统选育获得的子代其株高、茎粗、叶面积并不完全由父本决定,而和子代苗期叶片内源激素含量有关。【结论】 苗期叶片的内源激素是影响加工番茄植株生长的关键因素,随着生殖生长的开始,赤霉素、生长素对株高、茎粗、叶面积的影响减弱。通过杂交育种途径进行株型尤其是株高改良时,应重点关注苗期植株的内源激素含量,以提高选择效率,苗期叶片的赤霉素、生长素含量可作为预测杂交后代植株高度的参考指标。

关键词: 加工番茄; 种质资源; 生长素; 赤霉素; 生长发育; 相关性

Abstract: 【Objective】 The purpose of this project is to study the effects of endogenous hormones on plant growth and development by analyzing the correlation between endogenous hormone content and plant growth indicators of leaves of parents and offspring of processing tomatoes at different growth stages in the hope of providing theretical reference for selecting and breeding of offspring. 【Method】 With reference to parents T59, JW9, and HZ38, the high-generation inbred lines Dg46-1 and Dg149-1 obtained through systematic selection were used as test materials to determine the contents of leaf auxin (IAA), GA₃and the growth indexes (plant height, stem thickness, leaf area) in different growth stages of processed tomatoes. And also, the correlation analysis of endogenous hormones and growth indexes was performed. 【Result】 The content of gibberellin and auxin in the leaves of processed tomato hybrid parents and their offspring showed a downward trend with growth and development, and the endogenous hormone content in the seedling stage was significantly higher than that in other periods. The content was positively correlated with plant height, stem thickness, and leaf area, and the correlation with plant height was extremely significant. Except for the significant negative correlation between stem thickness and gibberellin content at flowering stage, and significant negative correlation between plant height and auxin content at fruiting stage, there was no significant correlation between endogenous hormone content at leaf stage, flowering stage and fruiting stage and plant growth index. The results also showed that, in cross breeding, different parents and the same mother cross, and the progeny obtained through systematic selection was not completely determined by the parent, but related with the endogenous hormone content of leaves of the offspring at the seedling stage. 【Conclusion】 The endogenous hormones at the seedling stage are the key factors affecting the growth of processed tomato plants. With the beginning of reproductive growth, the effects of gibberellin and auxin on plant height, stem thickness and leaf area weaken. When plant type is improved through hybrid breeding, especially when plant height is improved, the endogenous hormone content of the plant in the seedling stage should be paid attention to in order to improve the selection efficiency. The gibberellin and auxin content in the seedling stage can be used to predict the height of the plants of the hybrid reference indicator.

Key words: processed tomato; germplasm resources; auxin; gibberellin; growth and development; correlation

中图分类号:

S641.2

王海琪, 庞胜群, 杜红艳, 吉雪花, 马海翔, 张小燕. 加工番茄亲代与子代生长期内源激素含量与植株生长相关性分析[J]. 新疆农业科学, 2021, 58(1): 40-48.

WANG Haiqi, PANG Shengqun, DU Hongyan, JI Xuehua, MA Haixiang, ZHANG Xiaoyan. Correlation Analysis between Source Hormone Content and Plant Growth during Processing Tomato Growth[J]. Xinjiang Agricultural Sciences, 2021, 58(1): 40-48.

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加工番茄亲代与子代生长期内源激素含量与植株生长相关性分析

Correlation Analysis between Source Hormone Content and Plant Growth during Processing Tomato Growth

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