INHERITANCE OF RESISTANCE TO RYMV IN SELECTED RICE CULTIVARS IN UGANDA: DETERMINING THE MODE OF INHERITANCE FOR RESISTANCE TO A PREVALENT RYMV STRAIN IN UGANDA - Softcover

MOGGA, LADO; Edema, Richard; Lamo, Jimmy

 
9783843386838: INHERITANCE OF RESISTANCE TO RYMV IN SELECTED RICE CULTIVARS IN UGANDA: DETERMINING THE MODE OF INHERITANCE FOR RESISTANCE TO A PREVALENT RYMV STRAIN IN UGANDA
Softcover
ISBN 10: 3843386838 ISBN 13: 9783843386838
Verlag: LAP LAMBERT Academic Publishing, 2011

Inhaltsangabe

Rice yellow mottle sobemovirus is identified as the most destructive viral disease in lowland and upland rice. In this study, the mode of inheritance of resistance to a prevalent RYMV strain in Uganda was determined for resistant lines (upland NERICAs 8, 11, 12, 13 and Gigante (an O. sativa lowland variety) crossed with susceptible lines (lowland NERICAs 4, 6, 10 and IR64 (an O. sativa lowland variety)) in a full diallel mating design. Segregating F2 progeny were planted in field and screen house in ?-lattice design and inoculated by standard mechanical procedures. Reciprocal effects were significant (P<0.001), GCA effects were significant (P<0.001) and larger than SCA effects. The narrow sense coefficient of genetic determination based on genotype means was relatively high in screen house (76%) and field (84%) experiments. These results suggest additive gene effects were more important than non- additive effects, and selecting in F2 or F3 generations can be effective. Significant reciprocal effects implies the need for careful choice of male and female parents in hybridisation programs to achieve RYMV resistance in the offspring.

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Über die Autorinnen und Autoren

Mr. Lado Maurice Mogga was born on April 13th 1981. He completed his primary education in 1995, secondary education in 1999, advanced level education in 2001, bachelors degree in Agriculture in 2006, and a Masters degree in Plant breeding and seeds systems, Makerere University, kampala Uganda in 2010.

Mr. Lado Maurice Mogga was born on April 13th 1981. He completed his primary education in 1995, secondary education in 1999, advanced level education in 2001, bachelors degree in Agriculture in 2006, and a Masters degree in Plant breeding and seeds systems, Makerere University, kampala Uganda in 2010.

Mr. Lado Maurice Mogga was born on April 13th 1981. He completed his primary education in 1995, secondary education in 1999, advanced level education in 2001, bachelors degree in Agriculture in 2006, and a Masters degree in Plant breeding and seeds systems, Makerere University, kampala Uganda in 2010.

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Verlag
LAP LAMBERT Academic Publishing
Erscheinungsdatum
2011
Sprache
Englisch
ISBN 10 
3843386838
ISBN 13 
9783843386838
Einband
Taschenbuch
Anzahl der Seiten
104
Kontakt zum Hersteller
Nicht verfügbar
Verantwortliche Person
Fastbook Publishing
customerservice@vdm-vsg.de

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Riga
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