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261 to 270 of 299 Results

Field phenotyping strategies and breeding for adaptation of rice to drought Feb 5, 2014 Fischer, Ken S.; Fukai, Shu; Kumar, Arvind; Leung, Hei; Jongdee, Boonrat, 2014, "Field phenotyping strategies and breeding for adaptation of rice to drought", https://doi.org/10.7910/DVN/23162, Harvard Dataverse, V1 This paper is a section of the book, Drought phenotyping in crops: from theory to practice (Monneveux Philippe and Ribaut Jean-Marcel eds, published by CGIAR Generation Challenge Programme. Texcoco, Mexico). The section describes recent experience in drought phenotyping in rice which is one of the most drought-susceptible crops. The section contain...
QTL analyses of heterosis for grain yield and yield-related traits in indica-japonica crosses of rice (Oryza sativa L.) Feb 5, 2014 Chu, Sang-Ho; Jiang, Wenzhu; Lee, Joohyun; Chin, Joong Hyoun; Hee-Jong Koh, 2014, "QTL analyses of heterosis for grain yield and yield-related traits in indica-japonica crosses of rice (Oryza sativa L.)", https://doi.org/10.7910/DVN/23142, Harvard Dataverse, V1 Two sets of rice materials, 166 RILs derived from a cross between Milyang 23 (Korean indica-type rice) and Tong 88-7 (japonica Rice), and BC1F1 hybrids derived from crosses between the RILs and the female parent, Milyang 23, were produced to identify QTLs for heterosis of yield and yield-related traits. The QTLs were detected from three different p...
Introgression, Evaluation and Bulked Segregant Analysis of Major Yield QTL under Water Stress into Indigenous Elite Line for Low Water Availability Feb 5, 2014 Boopathi, N. Manikanda; Swapnashri, Gat; Kavitha, P; Sathish, S; Nithya, R; Ratnam, Wickneswari; Kumar, Arvind, 2014, "Introgression, Evaluation and Bulked Segregant Analysis of Major Yield QTL under Water Stress into Indigenous Elite Line for Low Water Availability", https://doi.org/10.7910/DVN/23138, Harvard Dataverse, V1 Near isogenic lines carrying large-effect QTL (qtl12.1), which has a consistent influence on grain yield under upland drought stress conditions in a wide range of environments, were evaluated under water stress in the fields. The line which gave higher yield under drought was crossed with a local elite line, PMK3, and forwarded to F2:3 generation....
Rice Husk Biochar Influences Seedling Emergence of Junglerice (Echinochloa colona) and Herbicide Efficacy Jan 18, 2014 Chauhan, Bhagirath, 2014, "Rice Husk Biochar Influences Seedling Emergence of Junglerice (Echinochloa colona) and Herbicide Efficacy", https://doi.org/10.7910/DVN/24222, Harvard Dataverse, V1 The use of carbonized rice husk biochar improves the fertility and productivity of poor soils in rice-based cropping sys-tems. However, biochar may also influence weed seedling emergence and the efficacy of soil-applied herbicides. Experiments were conducted in a screenhouse to evaluate the effect of biochar rates (0, 20, 40, and 80 t/ha) and seed...
Maintaining elevated Fe2+ concentration in solution culture for the development of a rapid and repeatable screening technique for iron toxicity tolerance in rice (Oryza sativa L.) Jan 18, 2014 Elec, Venus; Quimio, Celsa; Mendoza, Rhulyx; Sajise, Andres Godwin; Beebout, Sarah; Gregorio, Glenn; Singh, Rakesh Kumar, 2014, "Maintaining elevated Fe2+ concentration in solution culture for the development of a rapid and repeatable screening technique for iron toxicity tolerance in rice (Oryza sativa L.)", https://doi.org/10.7910/DVN/24219, Harvard Dataverse, V1 Iron toxicity decreases rice (Oryza sativa) grain yield especially in acid soils after flooding. Our aim was to establish a high-throughput screening technique using nutrient solution culture for identifying Fe-toxicity-tolerant genotypes.
Knowledge, attitudes and practices of farmers on rodent pests and their management in the lowlands of the Sierra Madre Biodiversity Corridor, Philippines Jan 18, 2014 Stuart, Alexander; Prescott, Colin; Singleton, Grant; Joshi, Ravindra, 2014, "Knowledge, attitudes and practices of farmers on rodent pests and their management in the lowlands of the Sierra Madre Biodiversity Corridor, Philippines", https://doi.org/10.7910/DVN/24218, Harvard Dataverse, V1 A survey of the knowledge, attitudes and practices (KAP) of 100 rice farmers and 50 coconut farmers was conducted in the coastal lowland agro-ecosystems of the Sierra Madre Biodiversity Corridor, Luzon, Philippines to identify current rodent management practices and to understand the extent of rat damage and the attitudes of farmers to community ac...
Can knowledge in seed ecology contribute to improved weed management in direct-seeded rice? Jan 18, 2014 Chauhan, Bhagirath Singh, 2014, "Can knowledge in seed ecology contribute to improved weed management in direct-seeded rice?", https://doi.org/10.7910/DVN/23775, Harvard Dataverse, V1 Direct-seeded rice is an emerging production technology in Asia due to labour and water scarcity. However, weeds are an important biotic constraint in the production of direct-seeded rice. Manual weeding is becoming less common and herbicides are replacing manual weeding to manage weeds in direct-seeded systems. However, there are concerns about th...
The spider fauna in the rice agricultural landscape of Hainan Island, China: Composition, abundance and feeding structure Jan 18, 2014 Barrion, A. T.; Villareal, S. S.; Catindig, J. L. A.; Cai, D.; Yuan, Q. H.; Heong, K. L., 2014, "The spider fauna in the rice agricultural landscape of Hainan Island, China: Composition, abundance and feeding structure", https://doi.org/10.7910/DVN/23663, Harvard Dataverse, V1 The project "Conserving Arthropod Biodiversity and Ecosystem Services in Rice Environments" was conducted on the island of Hainan located at the southernmost part of China, the second largest island off the coast with a tropical biodiversity-rich region in arthropods. Spider biodiversity exploration, the first activity executed in selected areas in...
Modifications in development and growth of a dual-adapted tropical rice variety grown as either a flooded or an aerobic crop Jan 18, 2014 Clerget, Benoit; Bueno, Crisanta; Quilty, James; Correa, Teodoro Jr.; Sandroba, Joseph, 2014, "Modifications in development and growth of a dual-adapted tropical rice variety grown as either a flooded or an aerobic crop", https://doi.org/10.7910/DVN/24221, Harvard Dataverse, V1 As the human population continues to grow and competition for natural resources increases, there is a consequent need to produce more food with fewer resources. Flooded rice crops use large quantities of water, which becomes scarcer for farmers. New methods of saving irrigation water have been tested and released but they often suffer from a yield...
Source-sink dynamics and proteomic reprogramming under elevated night temperature and their impact on rice yield and grain quality Jan 18, 2014 Shi, Wanju; Muthurajan, Raveendran; Rahman, Hifzur; Selvam, Jagadeesh; Peng, Shaobing; Zou, Yinbin; Jagadish, Krishna, 2014, "Source-sink dynamics and proteomic reprogramming under elevated night temperature and their impact on rice yield and grain quality", https://doi.org/10.7910/DVN/24240, Harvard Dataverse, V1 High night temperatures (HNTs) can reduce significantly the global rice (Oryza sativa) yield and quality. A systematic analysis of HNT response at the physiological and molecular levels was performed under field conditions. Contrasting rice accessions, N22 (highly tolerant) and Gharib (susceptible), were evaluated at 22 degree C (control) and 28 de...

Field phenotyping strategies and breeding for adaptation of rice to drought

Feb 5, 2014

Fischer, Ken S.; Fukai, Shu; Kumar, Arvind; Leung, Hei; Jongdee, Boonrat, 2014, "Field phenotyping strategies and breeding for adaptation of rice to drought", https://doi.org/10.7910/DVN/23162, Harvard Dataverse, V1

This paper is a section of the book, Drought phenotyping in crops: from theory to practice (Monneveux Philippe and Ribaut Jean-Marcel eds, published by CGIAR Generation Challenge Programme. Texcoco, Mexico). The section describes recent experience in drought phenotyping in rice which is one of the most drought-susceptible crops. The section contain...

QTL analyses of heterosis for grain yield and yield-related traits in indica-japonica crosses of rice (Oryza sativa L.)

Feb 5, 2014

Chu, Sang-Ho; Jiang, Wenzhu; Lee, Joohyun; Chin, Joong Hyoun; Hee-Jong Koh, 2014, "QTL analyses of heterosis for grain yield and yield-related traits in indica-japonica crosses of rice (Oryza sativa L.)", https://doi.org/10.7910/DVN/23142, Harvard Dataverse, V1

Two sets of rice materials, 166 RILs derived from a cross between Milyang 23 (Korean indica-type rice) and Tong 88-7 (japonica Rice), and BC1F1 hybrids derived from crosses between the RILs and the female parent, Milyang 23, were produced to identify QTLs for heterosis of yield and yield-related traits. The QTLs were detected from three different p...

Introgression, Evaluation and Bulked Segregant Analysis of Major Yield QTL under Water Stress into Indigenous Elite Line for Low Water Availability

Feb 5, 2014

Boopathi, N. Manikanda; Swapnashri, Gat; Kavitha, P; Sathish, S; Nithya, R; Ratnam, Wickneswari; Kumar, Arvind, 2014, "Introgression, Evaluation and Bulked Segregant Analysis of Major Yield QTL under Water Stress into Indigenous Elite Line for Low Water Availability", https://doi.org/10.7910/DVN/23138, Harvard Dataverse, V1

Near isogenic lines carrying large-effect QTL (qtl12.1), which has a consistent influence on grain yield under upland drought stress conditions in a wide range of environments, were evaluated under water stress in the fields. The line which gave higher yield under drought was crossed with a local elite line, PMK3, and forwarded to F2:3 generation....

Rice Husk Biochar Influences Seedling Emergence of Junglerice (Echinochloa colona) and Herbicide Efficacy

Jan 18, 2014

Chauhan, Bhagirath, 2014, "Rice Husk Biochar Influences Seedling Emergence of Junglerice (Echinochloa colona) and Herbicide Efficacy", https://doi.org/10.7910/DVN/24222, Harvard Dataverse, V1

The use of carbonized rice husk biochar improves the fertility and productivity of poor soils in rice-based cropping sys-tems. However, biochar may also influence weed seedling emergence and the efficacy of soil-applied herbicides. Experiments were conducted in a screenhouse to evaluate the effect of biochar rates (0, 20, 40, and 80 t/ha) and seed...

Maintaining elevated Fe2+ concentration in solution culture for the development of a rapid and repeatable screening technique for iron toxicity tolerance in rice (Oryza sativa L.)

Jan 18, 2014

Elec, Venus; Quimio, Celsa; Mendoza, Rhulyx; Sajise, Andres Godwin; Beebout, Sarah; Gregorio, Glenn; Singh, Rakesh Kumar, 2014, "Maintaining elevated Fe2+ concentration in solution culture for the development of a rapid and repeatable screening technique for iron toxicity tolerance in rice (Oryza sativa L.)", https://doi.org/10.7910/DVN/24219, Harvard Dataverse, V1

Iron toxicity decreases rice (Oryza sativa) grain yield especially in acid soils after flooding. Our aim was to establish a high-throughput screening technique using nutrient solution culture for identifying Fe-toxicity-tolerant genotypes.

Knowledge, attitudes and practices of farmers on rodent pests and their management in the lowlands of the Sierra Madre Biodiversity Corridor, Philippines

Jan 18, 2014

Stuart, Alexander; Prescott, Colin; Singleton, Grant; Joshi, Ravindra, 2014, "Knowledge, attitudes and practices of farmers on rodent pests and their management in the lowlands of the Sierra Madre Biodiversity Corridor, Philippines", https://doi.org/10.7910/DVN/24218, Harvard Dataverse, V1

A survey of the knowledge, attitudes and practices (KAP) of 100 rice farmers and 50 coconut farmers was conducted in the coastal lowland agro-ecosystems of the Sierra Madre Biodiversity Corridor, Luzon, Philippines to identify current rodent management practices and to understand the extent of rat damage and the attitudes of farmers to community ac...

Can knowledge in seed ecology contribute to improved weed management in direct-seeded rice?

Jan 18, 2014

Chauhan, Bhagirath Singh, 2014, "Can knowledge in seed ecology contribute to improved weed management in direct-seeded rice?", https://doi.org/10.7910/DVN/23775, Harvard Dataverse, V1

Direct-seeded rice is an emerging production technology in Asia due to labour and water scarcity. However, weeds are an important biotic constraint in the production of direct-seeded rice. Manual weeding is becoming less common and herbicides are replacing manual weeding to manage weeds in direct-seeded systems. However, there are concerns about th...

The spider fauna in the rice agricultural landscape of Hainan Island, China: Composition, abundance and feeding structure

Jan 18, 2014

Barrion, A. T.; Villareal, S. S.; Catindig, J. L. A.; Cai, D.; Yuan, Q. H.; Heong, K. L., 2014, "The spider fauna in the rice agricultural landscape of Hainan Island, China: Composition, abundance and feeding structure", https://doi.org/10.7910/DVN/23663, Harvard Dataverse, V1

The project "Conserving Arthropod Biodiversity and Ecosystem Services in Rice Environments" was conducted on the island of Hainan located at the southernmost part of China, the second largest island off the coast with a tropical biodiversity-rich region in arthropods. Spider biodiversity exploration, the first activity executed in selected areas in...

Modifications in development and growth of a dual-adapted tropical rice variety grown as either a flooded or an aerobic crop

Jan 18, 2014

Clerget, Benoit; Bueno, Crisanta; Quilty, James; Correa, Teodoro Jr.; Sandroba, Joseph, 2014, "Modifications in development and growth of a dual-adapted tropical rice variety grown as either a flooded or an aerobic crop", https://doi.org/10.7910/DVN/24221, Harvard Dataverse, V1

As the human population continues to grow and competition for natural resources increases, there is a consequent need to produce more food with fewer resources. Flooded rice crops use large quantities of water, which becomes scarcer for farmers. New methods of saving irrigation water have been tested and released but they often suffer from a yield...

Source-sink dynamics and proteomic reprogramming under elevated night temperature and their impact on rice yield and grain quality

Jan 18, 2014

Shi, Wanju; Muthurajan, Raveendran; Rahman, Hifzur; Selvam, Jagadeesh; Peng, Shaobing; Zou, Yinbin; Jagadish, Krishna, 2014, "Source-sink dynamics and proteomic reprogramming under elevated night temperature and their impact on rice yield and grain quality", https://doi.org/10.7910/DVN/24240, Harvard Dataverse, V1

High night temperatures (HNTs) can reduce significantly the global rice (Oryza sativa) yield and quality. A systematic analysis of HNT response at the physiological and molecular levels was performed under field conditions. Contrasting rice accessions, N22 (highly tolerant) and Gharib (susceptible), were evaluated at 22 degree C (control) and 28 de...

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