Plant development of new ecological model related to yield using QTL analysis

Xiao Han Wang; Il Kyung Chung; Hak Yoon Kim; Kyung Min Kim

doi:10.1007/s10681-018-2109-3

Plant development of new ecological model related to yield using QTL analysis

Xiao Han Wang, Il Kyung Chung, Hak Yoon Kim, Kyung Min Kim

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

We used Cheongcheong/Nagdong doubled haploid (CNDH) genetic map to develop early flowering furthermore heavy panicle variety. Conspicuous three lines were selected among 120 CNDH population by QTL analysis 2 years of data on CNDH heading date and panicle weight. The casein kinase I (PCKP) gene, which is related to early heading gene, was found by physical gene mapping and map-based cloning. PCKP is involved in the control of rice flowering time by modulating the day-length response. PCKP acts as an inhibitor in the rice flowering pathway by enhancing the photoperiod response. In northern part, rice is harvested on October, however rice yield is reduce due to the frequent typhoon during September. However, if the rice varieties developed in this study are used, they can be harvested with high yield before environmental disaster, which will be efficient for safely cope with food.

Original language	English
Article number	24
Journal	Euphytica
Volume	214
Issue number	2
DOIs	https://doi.org/10.1007/s10681-018-2109-3
State	Published - 1 Feb 2018

Keywords

Early flowering cultivar
Heading date
Heavy panicle type
QTL
Rice

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10.1007/s10681-018-2109-3

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abstract = "We used Cheongcheong/Nagdong doubled haploid (CNDH) genetic map to develop early flowering furthermore heavy panicle variety. Conspicuous three lines were selected among 120 CNDH population by QTL analysis 2 years of data on CNDH heading date and panicle weight. The casein kinase I (PCKP) gene, which is related to early heading gene, was found by physical gene mapping and map-based cloning. PCKP is involved in the control of rice flowering time by modulating the day-length response. PCKP acts as an inhibitor in the rice flowering pathway by enhancing the photoperiod response. In northern part, rice is harvested on October, however rice yield is reduce due to the frequent typhoon during September. However, if the rice varieties developed in this study are used, they can be harvested with high yield before environmental disaster, which will be efficient for safely cope with food.",

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AU - Wang, Xiao Han

AU - Chung, Il Kyung

AU - Kim, Hak Yoon

AU - Kim, Kyung Min

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Y1 - 2018/2/1

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AB - We used Cheongcheong/Nagdong doubled haploid (CNDH) genetic map to develop early flowering furthermore heavy panicle variety. Conspicuous three lines were selected among 120 CNDH population by QTL analysis 2 years of data on CNDH heading date and panicle weight. The casein kinase I (PCKP) gene, which is related to early heading gene, was found by physical gene mapping and map-based cloning. PCKP is involved in the control of rice flowering time by modulating the day-length response. PCKP acts as an inhibitor in the rice flowering pathway by enhancing the photoperiod response. In northern part, rice is harvested on October, however rice yield is reduce due to the frequent typhoon during September. However, if the rice varieties developed in this study are used, they can be harvested with high yield before environmental disaster, which will be efficient for safely cope with food.

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KW - Heading date

KW - Heavy panicle type

KW - QTL

KW - Rice

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Plant development of new ecological model related to yield using QTL analysis

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Keywords

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