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    Seed set patterns in east African highland cooking bananas are dependent on weather before, during and after pollination

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    Journal Article (531.1Kb)
    Date
    2021
    Author
    Waniale, A.
    Swennen, R.
    Mukasa, S.
    Tugume, A.K.
    Kubiriba, J.
    Tushemereirwe, W.K.
    Batte, M.
    Brown, A.
    Tumuhimbise, R.
    Type
    Journal Article
    Review Status
    Peer Review
    Target Audience
    Scientists
    Metadata
    Show full item record
    Abstract/Description
    Seed set in banana is influenced by weather, yet the key weather attributes and the critical period of influence are unknown. We therefore investigated the influence of weather during floral development for a better perspective of seed set increase. Three East African highland cooking bananas (EAHBs) were pollinated with pollen fertile wild banana ‘Calcutta 4′. At full maturity, bunches were harvested, ripened, and seeds extracted from fruit pulp. Pearson’s correlation analysis was then conducted between seed set per 100 fruits per bunch and weather attributes at 15-day intervals from 105 days before pollination (DBP) to 120 days after pollination (DAP). Seed set was positively correlated with average temperature (P < 0.05–P < 0.001, r = 0.196–0.487) and negatively correlated with relative humidity (RH) (P < 0.05–P < 0.001, r = −0.158–−0.438) between 75 DBP and the time of pollination. After pollination, average temperature was negatively correlated with seed set in ‘Mshale’ and ‘Nshonowa’ from 45 to 120 DAP (P < 0.05–P < 0.001, r = −0.213–−0.340). Correlation coefficients were highest at 15 DBP for ‘Mshale’ and ‘Nshonowa’, whereas for ‘Enzirabahima’, the highest were at the time of pollination. Maximum temperature as revealed by principal component analysis at the time of pollination should be the main focus for seed set increase.
    https://dx.doi.org/10.3390/horticulturae7070165
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/7172
    IITA Authors ORCID
    Rony Swennenhttps://orcid.org/0000-0002-5258-9043
    Michael Battehttps://orcid.org/0000-0002-6793-2967
    Allen Brownhttps://orcid.org/0000-0002-4468-5932
    Digital Object Identifier (DOI)
    https://dx.doi.org/10.3390/horticulturae7070165
    Research Themes
    Biotech and Plant Breeding
    IITA Subjects
    Agronomy; Banana; Climate Change; Food Security; Plant Breeding; Plant Production
    Agrovoc Terms
    Bananas; Breeding; Pollination; Climate Change; Weather; East Africa; Cooking Bananas
    Regions
    Africa; Central Africa; East Africa
    Countries
    Burundi; Democratic Republic of the Congo; Kenya; Rwanda; Tanzania; Uganda
    Hubs
    Southern Africa Hub
    Journals
    Horticulturae
    Collections
    • Journal and Journal Articles4839
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