The Effect of Heat Stress on the Reproductive Structures of Peach
DOI:
https://doi.org/10.71318/apom.2017.71.2.112Keywords:
Prunus persica, pollen, pistil, blooming, high temperatureAbstract
As in other areas of the world, global warming is also a reality in Southern Brazil, where the occurrence of temperatures above 25°C prior to blooming is becoming common, which is detrimental to the production of temperate climate fruit species. The aim of this work was to evaluate the effect of 30°C, during blooming, on pistil length, pollen number and viability of peach genotypes. Different genotypes as well as male and female parts of the flowers, responded differently to temperature. Among the assayed genotypes, ‘BR1’, ‘Chimarrita’, ‘Tropic Beauty’ and ‘Atenas’ showed higher tolerance to the high temperature condition.
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