トウガラシ属の種子発芽にみられる変温要求性

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  • トウガラシ属の種子発芽にみられる変温要求性(農学部門)
  • トウガラシゾク ノ シュシ ハツガ ニ ミラレル ヘンオン ヨウキュウセイ
  • Requirement of alternating temperature for germination of pepper seeds (Agriculture)

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Abstract

The present experiment was conducted to study the optimum temperature range and the requirement of alternating temperature for seed germination of 10 cultivars representing 5 species of Capsicum. Japanese cultivars showed high percentages of seed germination at constant temperatures of a wide range from 20℃ to 35℃. Cultivars native to Central or South America showed differing optimum temperatures for seed germination, which was inhibited at temperatures below 20℃. Seeds of 3 wild species of Capsicum did not germinate at constant temperatures, but immediately did when subjected to alternating temperatures.

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