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Genetic analysis of resistance to watermelon bud necrosis orthotospovirus in watermelon [Citrullus lanatus (Thunb.) Matsum & Nakai]
An experiment was conducted to study the genetics and nature of gene action of resistance to watermelon bud necrosis orthotospovirus (WBNV) in watermelon. The experimental materials comprised of two resistant (BIL‐53 and IIHR‐19) and one susceptible (IIHR‐140) parents. Each of the resistant parents...
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Published in: | Plant breeding 2018-10, Vol.137 (5), p.814-822 |
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container_title | Plant breeding |
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creator | Nagesh, Gandlahally Chennappa Rao, Eguru Sreenivasa Pitchaimuthu, Mottaiyan Varalakshmi, Budhavaram Lakshmana Reddy, Dhoranalapalli Chinnappareddy Samuel, Duleep Kumar Rekha, Ajithakumar Krishna Reddy, Manem Havey, Michael |
description | An experiment was conducted to study the genetics and nature of gene action of resistance to watermelon bud necrosis orthotospovirus (WBNV) in watermelon. The experimental materials comprised of two resistant (BIL‐53 and IIHR‐19) and one susceptible (IIHR‐140) parents. Each of the resistant parents was crossed with the susceptible parent to develop six generations (P1, P2, F1, F2, BC1 and BC2) to study genetics. The results of segregation in F2 and backcross progenies suggested that resistance is governed by a major dominant gene along with other background minor genes in both the crosses. BIL‐53 was found to possess higher degree of resistance with simple inheritance and hence may be of interest to breeders. Simple selection can be effective for improving the trait in the cross BIL‐53 × IIHR‐140 as additive gene action is prevalent. |
doi_str_mv | 10.1111/pbr.12639 |
format | article |
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Each of the resistant parents was crossed with the susceptible parent to develop six generations (P1, P2, F1, F2, BC1 and BC2) to study genetics. The results of segregation in F2 and backcross progenies suggested that resistance is governed by a major dominant gene along with other background minor genes in both the crosses. BIL‐53 was found to possess higher degree of resistance with simple inheritance and hence may be of interest to breeders. 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Simple selection can be effective for improving the trait in the cross BIL‐53 × IIHR‐140 as additive gene action is prevalent.</description><subject>Citrullus</subject><subject>Fruits</subject><subject>Gangrene</subject><subject>Genetic analysis</subject><subject>Genetics</subject><subject>Heredity</subject><subject>Necrosis</subject><subject>orthotospovirus</subject><subject>Parents</subject><subject>resistance</subject><subject>watermelon</subject><subject>WBNV</subject><issn>0179-9541</issn><issn>1439-0523</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp1kE1LAzEQhoMoWKsH_0FAEHvYNh_70Ry1aBXqB1JPIiHdJDR1u1mTrKVn_7ip68GLc5kZ5pmXmReAU4yGOMaoWbghJjlle6CHU8oSlBG6D3oIFyxhWYoPwZH3K7TradEDX1NVq2BKKGpRbb3x0GroVCyCqEsFg4UbEZRbq8rWcNFKWKvS2R_QhaUN1jf207jWQ1P_RV8nJri2quKgitoh5ov5sq0XwwG8F8G3a3gOH8S7MG_H4ECLyquT39wHLzfX88ltMnuc3k0uZ0lJWLxeSFlQylChColzTTPJUlIqrZnGTMuMpWkhkSgpxeMyLhT5mApFciQpzRHTtA_OOt3G2Y9W-cBXtnXxb88JxllGxgUmkRp01O5N75TmjTNr4bYcI77zmEeP-Y_HkR117MZUavs_yJ-unruNb4LLf4U</recordid><startdate>201810</startdate><enddate>201810</enddate><creator>Nagesh, Gandlahally Chennappa</creator><creator>Rao, Eguru Sreenivasa</creator><creator>Pitchaimuthu, Mottaiyan</creator><creator>Varalakshmi, Budhavaram</creator><creator>Lakshmana Reddy, Dhoranalapalli Chinnappareddy</creator><creator>Samuel, Duleep Kumar</creator><creator>Rekha, Ajithakumar</creator><creator>Krishna Reddy, Manem</creator><creator>Havey, Michael</creator><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>7T7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>RC3</scope><orcidid>https://orcid.org/0000-0002-7731-4273</orcidid></search><sort><creationdate>201810</creationdate><title>Genetic analysis of resistance to watermelon bud necrosis orthotospovirus in watermelon [Citrullus lanatus (Thunb.) 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subjects | Citrullus Fruits Gangrene Genetic analysis Genetics Heredity Necrosis orthotospovirus Parents resistance watermelon WBNV |
title | Genetic analysis of resistance to watermelon bud necrosis orthotospovirus in watermelon [Citrullus lanatus (Thunb.) Matsum & Nakai] |
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