ArticleCommunicative & integrative biology2019
Reproductive biology in cassava: stigma receptivity and pollen tube growth.
Article in Communicative & integrative biology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 25 citations in OpenAlex.
- A major FT/TFL1 regulatory locus (Frontiers in plant science · 2026Article
- Evolutionary signatures of the erosion of sexual reproduction genes in domesticated cassava (Manihot esculenta).G3 (Bethesda, Md.) · 2025Article
- Cassava Breeding and Cultivation Challenges in Thailand: Past, Present, and Future Perspectives.Plants (Basel, Switzerland) · 2024Review
- Flowering induction in cassava using photoperiod extension premature pruning and plant growth regulators.PloS one · 2023Article
- DNA fingerprinting reveals varietal composition of Vietnamese cassava germplasm (Manihot esculenta Crantz) from farmers' field and genebank collections.Plant molecular biology · 2022Article
- Optimum time for hand pollination in yam (Dioscorea spp.).PloS one · 2022Article
- Fifty years of a public cassava breeding program: evolution of breeding objectives, methods, and decision-making processes.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Review
- Environmental responsiveness of flowering time in cassava genotypes and associated transcriptome changes.PloS one · 2021Article
- Developmental Biology in Central America, the northern region of South America and the Caribbean.The International journal of developmental biology · 2021Review
- Article
- Protocol for Rescuing Young Cassava Embryos.Frontiers in plant science · 2020Article
- Effect of Pruning Young Branches on Fruit and Seed Set in Cassava.Frontiers in plant science · 2020Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Knowledge on the reproductive biology of cassava, relevant to breeders and molecular geneticists, is still limited. Therefore, different studies were carried out to determine the duration of stigma receptivity and the rate of pollen tube growth. Inflorescences were covered for up to 3 days after the first opening of the bracts (e.g. anthesis day) to prevent open pollination. Results indicate that fruit and seed set are drastically reduced when flowers were covered for 2 or 3 days. However, fruits and seeds were obtained even from flowers that had been covered for 3 days after anthesis, although at low frequency. The rate of pollen tube growth was assessed in many combinations of female and male progenitors crossed through controlled pollinations and collecting the pistils at varying hours after pollination (HAP). Pollen tube growth is fast during the first 6 HAP reaching the tip of the nucellar beak. The growth slows down thereafter, taking 10 additional hours to reach the end of the beak. The growth of pollen tubes slows down even further until they enter the embryo sac. Only 10% of samples showed pollen tubes entering the embryo sac between 48 and 66 HAP. Although several tubes may reach the nucellar beak, only one was observed entering the embryo sac. Results, across the different experiments, were highly variable suggesting that the timeline of fertilization is influenced both by genotypic and environmental factors as well as the manual manipulation of inflorescences and cyathia.
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