ArticleBMC plant biology2023
Flowering and fruit-set in cassava under extended red-light photoperiod supplemented with plant-growth regulators and pruning.
Article in BMC plant biology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Adding Value to Cassava Genetic Resources Conserved at CIAT-Part I: A Review of Fifty Years of Collection, Conservation, Characterization and Distribution.Plants (Basel, Switzerland) · 2026Review
- Advances and prospects of genomic-assisted breeding in roots, tubers, and banana crops.Frontiers in plant science · 2026Review
- Photoperiod modulation and hormonal application influence flowering, agronomic, morphological and tuber quality traits in greater yam (Frontiers in plant science · 2026Article
- Daylength extension: a strategy to enhance sucrose metabolism and carbohydrate accumulation for improving spike quality and corm production in Gladiolus (Physiology and molecular biology of plants : an international journal of functional plant biology · 2025Article
- Advancements and strategies of genetic improvement in cassava (Horticulture research · 2025Article
- Assessment of Cassava Pollen Viability and Ovule Fertilizability under Red-Light, 6-Benzyl Adenine, and Silver Thiosulphate Treatments.Plants (Basel, Switzerland) · 2024Article
- Identification of Genomic Regions for Traits Associated with Flowering in Cassava (Plants (Basel, Switzerland) · 2024Article
- Development of Methods for Improving Flowering and Seed Set of Diverse Germplasm in Cassava Breeding.Plants (Basel, Switzerland) · 2024Article
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Authors and funding
13 authors.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundCassava (Manihot esculenta Crantz) is staple food and major source of calories for over 500 million people in sub-Saharan Africa. The crop is also a source of income for smallholder farmers, and has increasing potential for industrial utilization. However, breeding efforts to match the increasing demand of cassava are impeded by its inability to flower, delayed or unsynchronized flowering, low proportion of female flowers and high fruit abortions. To overcome these sexual reproductive bottlenecks, this study investigated the effectiveness of using red lights to extend the photoperiod (RLE), as a gateway to enhancing flowering and fruit set under field conditions. MATERIALS AND
methodsPanels of cassava genotypes, with non- or late and early flowering response, 10 in each case, were subjected to RLE from dusk to dawn. RLE was further evaluated at low (LL), medium (ML) and high (HL) red light intensities, at ~ ≤ 0.5; 1.0 and 1.5PFD (Photon Flux Density) in µmol m
resultsRLE stimulated earlier flower initiation in all genotypes, by up to 2 months in the late-flowering genotypes. Height and number of nodes at first branching, particularly in the late-flowering genotypes were also reduced, by over 50%. Number and proportion of pistillate flowers more than doubled, while number of fruits and seeds also increased. Number of branching levels during the crop season also increased by about three. Earlier flowering in many genotypes was most elicited at LL to ML intensities. Additive effects on flower numbers were detected between RLE, PGR and pruning applications. PGR and pruning treatments further increased number and proportion of pistillate flowers and fruits. Plants subjected to PGR and pruning, developed bisexual flowers and exhibited feminization of staminate flowers. Pruning at first branching resulted in higher pistillate flower induction than at second branching.
conclusionsThese results indicate that RLE improves flowering in cassava, and its effectiveness is enhanced when PGR and pruning are applied. Thus, deployment of these technologies in breeding programs could significantly enhance cassava hybridizations and thus cassava breeding efficiency and impact.
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