基于 UASD Bt 棉花 Event-78 的棉花叶蝉早期分离世代的田间评估

Q4 Agricultural and Biological Sciences

ELECTRONIC JOURNAL OF PLANT BREEDING Pub Date : 2024-07-09 DOI:10.37992/2024.1502.062

Pushpa M. Aralikatti, Manjula S. Maralappanavar, Lakshmi Gangavati, Shobha U. Immadi, Patil S. B.

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引用次数: 0

摘要

在 2021 年和 2022 年harif 期间，在达尔瓦德的 UAS 农业研究站，对基于 UASD Bt 棉花 Event-78 的三个不同杂交种的早期分离世代（F2 和 F3）进行了棉花叶蝉田间发病率评估。从 UASD Bt-78 х DHS-29、UASDBt-78 х Suvin 和 Suvin х UASD Bt-78 这三个杂交品种中共筛选出 600 株 F2，其中 103、100 和 102 株具有抗性。F2群体对啮齿动物抗性的分离破译了寄主植物抗性的隐含 "抑制性外显 "机制。对这些杂交的 F3 家系进行进一步评估后，从所有三个杂交种中鉴定出 103 个抗性品系，叶蝉平均数量范围为 0.67-2.67 只/3 片叶，LHRI 得分为 1。

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Field evaluation of UASD Bt-cotton Event-78 based early segregating generations for cotton leaf hopper

UASD Bt cotton Event-78 based early segregating generations (F2 & F3) derived from three diverse crosses were evaluated for field incidence of cotton leaf hopper during kharif-2021 & 2022 at Agricultural Research Station, UAS, Dharwad. A total 600 F2 plants from the crosses viz., UASD Bt-78 х DHS-29, UASDBt-78 х Suvin and Suvin х UASD Bt-78 were screened of which 103,100 and 102 plants respective to the three crosses were found to be resistant. The segregation of F2 population for the jassid tolerance deciphered the implicit “Inhibitory epistasis” mechanism of host plant resistance. Further evaluation of F3 families of these crosses leads to identification of 103 resistant lines from all the three crosses, the mean leafhopper population ranges from 0.67- 2.67 leafhoppers / 3 leaves with the LHRI score of 1.

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来源期刊

ELECTRONIC JOURNAL OF PLANT BREEDING Agricultural and Biological Sciences-Soil Science

CiteScore

1.10

自引率

0.00%

发文量

153

审稿时长

25 weeks

期刊介绍： Electronic Journal of Plant Breeding (EJPB) is an official publication of Indian Socciety of Plant Breeders (ISPB). The main aim of this journal is to promote the general advancement of plant breeding and to create a forum to bring together and facilitate the exchange of information amongst plant breeders. It is published quarterly as ONLINE as OPEN ACCESS journal in the official web page www.ejplantbreeding.org. The publications are subjected into DOUBLE BLIND PEER REVIEWES. Original research articles and research communications on all areas of Plant Breeding viz., genetics, breeding, cytology, germplasm evaluation, marker assisted breeding, etc are accepted. At present Review articles are not accepted for publication.