What is it about?
To clarify the growth and reproductive success of seed-derived Sagittaria trifolia individuals emerging at different times within a season, we sowed seeds on May 16, June 16, and July 22, 2010, and allowed them grow in pots under shaded and non-shaded conditions. As sowing time was delayed, so too was the appearance of the first inflorescence. Additionally, the number of inflorescences, fruits, and seeds produced by non-shaded plants significantly decreased with sowing time. Total dry weight was significantly greater in non-shaded than in shaded plants; July-sown, shaded plants grew very poorly.
Why is it important?
Even in shaded groups, except for July-sown plants, most plants set seeds. Therefore, when addressing weed control in paddy fields, one should keep seedlings in mind, in addition to plants grown from tubers.
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This page is a summary of: Growth and reproductive success of the seed-derived plants ofSagittaria trifoliaemerging at different times, Weed Biology and Management, May 2014, Wiley, DOI: 10.1111/wbm.12045.
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