Forcing of lower‐chilling peach with plastic covering

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  • 低温要求量の少ないモモ選抜系統のビニル被覆による促成栽培
  • テイオン ヨウキュウリョウ ノ スクナイ モモ センバツ ケイトウ ノ ビニル ヒフク ニ ヨル ソクセイ サイバイ

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Abstract

The extent of growth promotion by plastic covering in mid‐chill peaches obtained from crosses between Japanese high‐chill cultivars and Floridian low‐chill cultivars was compared with that in a high‐chill peach. Plastic covering hastened flowering and harvest by 3 weeks. However, the extent of promotion of flowering and harvest was almost the same between the peaches with different chilling requirement. Under plastic covering conditions, bud burst and flowering of the mid‐chill peaches occurred 2 weeks earlier than those of the high‐chill peach, as well as under open field conditions. This showed the advantage of using mid‐chill peaches for cultivation in a plastic house. Under plastic covering conditions, although the fruit ripening period was slightly longer, fruit quality was higher than under open field conditions.

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