Possibility of Early Evaluation of Yield and Spear Traits in Asparagus Cultivars

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  • アスパラガス品種•系統特性の早期検定について
  • アスパラガス品種・系統特性の早期検定について
  • アスパラガス ヒンシュ ケイトウ トクセイ ノ ソウキ ケンテイ ニ ツイテ

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Certain characteristics of asparagus cultivars and breeding lines were measured in two trials to test if yield and spear traits might be predictable from early evaluations.<BR>1. Significant correlation was not observed in both trials between 1) the stalk growth indexes before harvest and accumulated yield for 4 years, and 2) stalk diameter before harvest and average spear weight during the following 4 years.<BR>2. The subsequent yield potential of cultivars and lines was not predictable from the first-year yield because of its relatively small size ; however, it could be estimated with significant accuracy from the second year's data. 3. The average spear weight and spearhead tightness for the 3 following seasons were predictable from the first year's harvest data.

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