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<p>Understanding the temporal occurrence of mango flowering phenostages in relation to environmental cues is crucial for improving reproductive success, optimizing yield, and ensuring resilience to climate fluctuations. Variations of main phenophases in the phenological calendar was marked by shifts in the studied period. The bud swelling (BS) stage was identified as critical for transitioning and BS persisting in the temperature range of 15–23 °C across all four cultivars. The critical temperature for bud burst was estimated for varieties such as ‘Dashehari’, ‘Langra’, ‘Amrapali’, and ‘Chausa’, with ‘Chausa’, showing a&#xa0;tendency for late flowering linked to higher temperatures. Variability for flowering attributes such as length/width of panicle, percent hermaphrodite flower, flower intensity and fruit set highlight the interplay of genetic and environmental factors in the candidate varieties. A&#xa0;strong positive correlation for maximum temperature and daily evaporation rate was recorded in 2019 and 2020, which highlight the critical role of temperature and humidity in influencing flowering intensity, with notable year-to-year variability. The percentage of hermaphrodite flowers, a&#xa0;key factor for fruit set and yield, varied significantly across the 2&#xa0;years for the alternate-bearing cultivars. The results revealed a&#xa0;clear model showing that flowering intensity was positively correlated with temperature, humidity, sunshine, and evaporation rate, while it was negatively correlated with minimum humidity. This emphasizes the need to consider location-specific phenophase shifts, as trends may differ within a&#xa0;country, which has important implications for agricultural planning and fruit supply to both local and international markets.</p>

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Impact of Weather Changes on the Phenostages and Flowering Times of Mango (Mangifera indica L.)

  • 期刊论文

  • 发表日期：

    2025年2月21日

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  • Yashi Bajpai,
  • Anju Bajpai,
  • Sumit K. Soni,
  • Laxmi Rastogi,
  • Mala Trivedi

摘要

Understanding the temporal occurrence of mango flowering phenostages in relation to environmental cues is crucial for improving reproductive success, optimizing yield, and ensuring resilience to climate fluctuations. Variations of main phenophases in the phenological calendar was marked by shifts in the studied period. The bud swelling (BS) stage was identified as critical for transitioning and BS persisting in the temperature range of 15–23 °C across all four cultivars. The critical temperature for bud burst was estimated for varieties such as ‘Dashehari’, ‘Langra’, ‘Amrapali’, and ‘Chausa’, with ‘Chausa’, showing a tendency for late flowering linked to higher temperatures. Variability for flowering attributes such as length/width of panicle, percent hermaphrodite flower, flower intensity and fruit set highlight the interplay of genetic and environmental factors in the candidate varieties. A strong positive correlation for maximum temperature and daily evaporation rate was recorded in 2019 and 2020, which highlight the critical role of temperature and humidity in influencing flowering intensity, with notable year-to-year variability. The percentage of hermaphrodite flowers, a key factor for fruit set and yield, varied significantly across the 2 years for the alternate-bearing cultivars. The results revealed a clear model showing that flowering intensity was positively correlated with temperature, humidity, sunshine, and evaporation rate, while it was negatively correlated with minimum humidity. This emphasizes the need to consider location-specific phenophase shifts, as trends may differ within a country, which has important implications for agricultural planning and fruit supply to both local and international markets.