解读小麦常用品种和一组差异品系田间对白粉病和黄锈病的抗性

IF 1 4区生物学 Q3 PLANT SCIENCES

Indian Journal of Genetics and Plant Breeding Pub Date : 2022-02-25 DOI:10.31742/ijgpb.82.1.6

A. Mehta, D. Basandrai, V. Rana, H. Dhillon, A. Basandrai

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引用次数: 1

摘要

利用基因型(G)和环境相互作用基因型(GGE)双图分析疾病严重程度的数据显示，基因型(G)对疾病严重程度的贡献最大，分别为50.75和47.56，其次是gx E相互作用的44.38;白粉病(PM)和黄锈病(YR)的E值分别为4.8和14.74。16个基因型的平均TDS≤15%，疾病进展曲线下面积(AUDPC)、相对疾病进展曲线下面积(rAUDPC)和r值分别在20.63 ~ 494.44、2.75 ~ 40.05和0.01 ~ 0.04之间，与易感品种Lehmi的TDS、AUDPC、rAUDPC和r值分别为41%、1510.88、99.18和0.04相比，均为慢霉基因型。6个基因型Maris dove、Rye、Aldan、CMH 77.308、SAW 71和SAW 74对PM和YR有多重抗性，其中Aldan和CMH 77.308对Karnal hunter (KB)也有抗性。因此，这些菌株可以作为潜在的供体，用于培养对PM、YR和/或KB具有联合抗性的品种，而Kukumseri可以作为筛选PM和YR的理想热点。

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Deciphering field resistance to powdery mildew and yellow rust among popular cultivars of wheat and set of differential lines

The analysis of data on disease severity using genotype (G) and genotype by environment interaction (GGE) biplot revealed that the highest contribution to disease severity was due to genotype (G) 50.75 and 47.56 followed by G X E interaction 44.38; 37.70 and environment (E) 4.8 and 14.74 for powdery mildew (PM) and yellow rust (YR), respectively. Sixteen genotypes showing mean TDS ≤15% and Area under Disease Progress Curve (AUDPC), relative Area Under Disease Progress Curve (rAUDPC) and ‘r’ ranging between 20.63-494.44, 2.75-40.05 and 0.01-0.04, respectively in comparison with TDS, AUDPC, rAUDPC and ‘r’ of 41%, 1510.88, 99.18 and 0.04 respectively, in susceptible cultivar Lehmi, were slow mildewing genotypes. Six genotypes Maris dove, Rye, Aldan, CMH 77.308, SAW 71 and SAW 74 showed multiple resistances to PM and YR, of which ALDAN and CMH 77.308 were reported to be resistant to Karnal bunt (KB) also. Hence, these can be used as potential donors aimed to develop cultivars with combined resistance to PM, YR and /or KB and Kukumseri could be used as an ideal hot spot for screening against PM and YR.

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来源期刊

Indian Journal of Genetics and Plant Breeding PLANT SCIENCES-

CiteScore

1.80

自引率

10.00%

发文量

审稿时长

6-12 weeks

期刊介绍： Advance the cause of genetics and plant breeding and to encourage and promote study and research in these disciplines in the service of agriculture; to disseminate the knowledge of genetics and plant breeding; provide facilities for association and conference among students of genetics and plant breeding and for encouragement of close relationship between them and those in the related sciences; advocate policies in the interest of the nation in the field of genetics and plant breeding, and facilitate international cooperation in the field of genetics and plant breeding.