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首页> 外文期刊>Acta Horticulturae >Does dye infusion indicate xylem functionality in kiwifruit?
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Does dye infusion indicate xylem functionality in kiwifruit?

机译：染料注入是否指示猕猴桃中的木质部功能？

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This study was undertaken to establish whether the rate of uptake of an aqueous solution by the fruitstalks of detached Actinidia deliciosa fruits ('Hayward') correlates with fruit xylem functionality assessed by dye infusion. Fruits were collected from the orchard, pre-dawn and 65 days after bloom. In the laboratory the fruitstalks were re-cut under water and their outsides lightly smeared with Vaseline before placing their cut ends in small, pre-weighed (W1) (mg) vials of dye solution. Fruits were allowed to take up dye solution for ~100 min (T) under uniform aerial conditions. Fruits were then sliced 1/5 way up from the stalk end and the fraction (F) (%) of stained bundles was determined. The residual dye solution was weighed (W2) (mg) and the solution uptake rate (U) (mg/min) determined per unit of fruit surface area (S) as U=(W1-W2)/(S x T). Analysis reveals that F is linearly related to U (R2=0.81). The suitability of the stain infusion technique for assessing xylem functionality is discussed.
机译：进行这项研究是为了确定脱附的猕猴桃果实（“海沃德”）的果实柄对水溶液的吸收速率是否与通过染料注入评估的木质部木质部功能相关。从果园，黎明前和开花后65天收集果实。在实验室中，将果梗在水下重新切开，并用凡士林轻轻涂抹其果皮，然后再将切成小段的果皮预先称重（ W 1 ）（mg）小瓶的染料溶液。使水果在均匀的空中条件下吸收染料溶液约100分钟（ T ）。然后将水果从茎端切成1/5的距离，并测定染色束的分数（）（％）。称量残留的染料溶液（ W 2 ）（mg），并确定每单位的溶液吸收速率（ U ）（mg / min）表面积（ S ）的 U =（ W 1 - W 2 ）/（ S x T ）。分析表明， F 与 U 线性相关（ R 2 = 0.81）。讨论了污渍注入技术对评估木质部功能的适用性。

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