Identification of resistance sources for sesame phyllody under epiphytotic conditions in India

被引：1

作者：

Prasad, M. Santha Lakshmi ^{[1
]}

Reddy, M. Surya Prakash ^{[2
]}

Duraimurugan, P. ^{[1
]}

Prasindhu, K. ^{[3
]}

Jawaharlal, J. ^{[1
]}

Ramya, K. T. ^{[1
,2
,3
]}

Kumaraswamy, H. H. ^{[1
]}

Sujatha, M. ^{[1
]}

Alivelu, K. ^{[1
]}

Sakthivel, K. ^{[1
]}

Boopathi, T. ^{[1
]}

机构：

[1] ICAR Indian Inst Oilseeds Res, Hyderabad 500030, Telangana, India

[2] Malla Reddy Univ, SOAS, Dept Plant Pathol, Hyderabad 500100, Telangana, India

[3] ANGRAU, Sri Venkateswara Agr Coll, Dept Plant Pathol, Tirupati 517502, Andhra Pradesh, India

来源：

GENETIC RESOURCES AND CROP EVOLUTION | 2025年 / 72卷 / 02期

关键词：

Phytoplasma; Phyllody; Sesame; Resistant sources; Leafhopper; India; MOLECULAR CHARACTERIZATION; INFECTING SESAME; INSECT VECTORS; PHYTOPLASMA; TRANSMISSION; DISEASE; VARIETIES; CULTIVARS; ETIOLOGY; L;

D O I：

10.1007/s10722-024-02087-z

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Sesame crop is susceptible to phyllody disease caused by phytoplasma leading to major yield losses across India and worldwide. Screening of sesame genotypes against phyllody is essential to identify reliable sources of resistance. The experiments were conducted in phyllody hot spot research field with different dates of sowing in 2018-2019 to identify the effective season for screening against sesame phyllody and durable source of resistance. The results from our study recorded that phyllody incidence was more prevalent during July sowings when compared to November, August and January. Furthermore, field screening for continuous three years (2019-2021) recorded phyllody tolerance in three sesame genotypes (GTG-30, G-10-P1-P5-P3 and G-10-P1-P5-P6) along with resistant check GT-10. Sesame genotype, RJR-170 was found to be highly susceptible among all genotypes. The leafhopper population ranged from 0.2 to 0.3 among genotypes showing tolerance. Our findings could be successfully exploited in phyllody resistant breeding programmes.

引用

页码：2131 / 2140

页数：10

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