| Effect of tillage systems and herbicides on weed emergence, weed growth, and grain yield in dry-seeded rice systems BS Chauhan, J Opeña Field Crops Research 137, 56-69, 2012 | 224 | 2012 |
| Weed management and grain yield of rice sown at low seeding rates in mechanized dry-seeded systems BS Chauhan, J Opeña Field Crops Research 141, 9-15, 2013 | 83 | 2013 |
| Seed germination ecology of doveweed (Murdannia nudiflora) and its implication for management in dry-seeded rice S Ahmed, JL Opeña, BS Chauhan Weed Science 63 (2), 491-501, 2015 | 53 | 2015 |
| Seed germination ecology of Echinochloa glabrescens and its implication for management in rice (Oryza sativa L.) JL Opeña, BS Chauhan, AM Baltazar Plos one 9 (3), e92261, 2014 | 51 | 2014 |
| Effect of plant spacing on growth and grain yield of soybean BS Chauhan, JL Opeña American Journal of Plant Sciences 4 (10), 2011, 2013 | 46 | 2013 |
| Implications of plant geometry and weed control options in designing a low-seeding seed-drill for dry-seeded rice systems BS Chauhan, J Opeña Field Crops Research 144, 225-231, 2013 | 46 | 2013 |
| Weed population dynamics, herbicide efficacies, and crop performance in a sprinkler-irrigated maize-rice cropping system JL Opeña, JR Quilty, TQ Correa Jr, BS Chauhan Field Crops Research 167, 119-130, 2014 | 22 | 2014 |
| Growth of purple nutsedge (Cyperus rotundus) in response to interference with direct-seeded rice BS Chauhan, J Opeña Weed Technology 26 (3), 506-509, 2012 | 21 | 2012 |
| Response of 10 elite “Green Super Rice” genotypes to weed infestation in aerobic rice systems BS Chauhan, J Opeña, J Ali Plant Production Science 18 (2), 228-233, 2015 | 18 | 2015 |
| Rice Weed Management in Southeast Asia V Kumar, J Opeña, K Valencia, HL Tin, NH Son, DK Donayre, J Janiya, ... Weed management in rice in the Asian-Pacific region, 282-307, 2017 | 16 | 2017 |
| Effect of plant geometry on growth and yield of corn in the rice-corn cropping system BS Chauhan, JL Opeña American Journal of Plant Sciences 4 (10), 1928, 2013 | 6 | 2013 |
| Pasture legumes offer promise to control barnyard grass in delayed permanent water systems in rice J Opena, J Pratley, J McCormick, H Wu, D Lemerle Australian Agronomy Conference, 2019 | 1 | 2019 |
| Mutual benefits of partnerships between SE Asia and Australia for sustainable weed management D Lemerle, J Mitchell, A Molesworth, J Opena, G Palaniappan, C Reade, ... | | 2024 |
| Mutual benefits of partnerships between SE Asia and Australia for sustainable integrated weed management D Lemerle, J Mitchell, A Molesworth, J Opena, G Palaniappan, C Reade, ... 23rd Australasian Weeds Conference: Breaking the cycle-Towards Sustainable …, 2024 | | 2024 |
| Phenotypic traits associated with weed competitiveness for aerobic rice production system in Australia J Opena, S Eam, R Vinarao, W Gong, J Mitchell | | 2024 |
| Capabilities of hyperspectral spectroradiometer for differentiating rice and rice mimicry weeds on leaf-level measurement A Sukmawijaya, J Opena, A Akber, J Mitchell, A Abdul Aziz | | 2024 |
| Screening weed suppressive rice germplasm in Cambodia and Lao PDR J Opena, L Homsengchanh, T Thanak, C Orn, P Xangsayasane, J Mitchell | | 2024 |
| Herbicides in lowland rice farming: What's driving the farmer's choice in Lao PDR? B Bouahom, G Palaniappan, J Opena, J Mitchell | | 2023 |
| Designing best weed management practices for mechanized rainfed and irrigated direct seeded rice systems in Cambodia and Lao PDR J Opena, J Mitchell Zenodo, 2023 | | 2023 |
| Unlocking women's potential for effective weed management in rainfed lowlands: A Cambodian perspective S Lim, S Chea, G Palaniappan, J Opena, J Mitchell Zenodo, 2023 | | 2023 |
