番木瓜品种UN cotov的生理特性

Ruby Alejandra Loaiza, J. Cartagena, C. Barrera-Sánchez, Ó. Córdoba-Gaona
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引用次数: 0

摘要

植物生理原理在遗传改良中的应用,可以更容易地以一种完整和清晰的方式解决农业生产的局限性。因此,生理指标被用作选择UN cotov木瓜品种植物的标准,作为物种育种计划的亲本。选取18株进行每月气体交换测定、叶绿素荧光测定和叶面积指数测定。数据分析采用多变量非分层聚类和析因分析。在气体交换、光系统II的量子产率(PSII)和叶面积指数(LAI)方面,产生了两个不分组形态的簇。方差分析证实了大多数变量在植物间的显著差异。均数与Tukey检验比较(P < 0.05)。其中6株表现出较好的产量,是在热带干燥森林条件下获得具有突出特征的木瓜品种的有希望的材料。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Physiological characterization of Carica papaya L. variety UN Cotové
The application of plant physiological principles in genetic improvement allows to approach with greater ease, the solution of the limitations of the agricultural production in an integral and articulated way. For this reason, physiological indicators were used as criteria for the selection of UN Cotové papaya variety plants, which serve as parents for a species breeding program. Eighteen individuals were selected for monthly gas exchange measurements, chlorophyll fluorescence, and leaf area index. The data analysis was done with multivariate non-hierarchical clustering and factorial analysis. Two clusters were generated that did not group morphotypes regarding the gas exchange, quantum yield of Photosystem II (PSII), and leaf area index (LAI). ANOVA established significant differences between plants for most variables. The means were compared with the Tukey test (P < 0.05). Six plants presented better yield, positioning them as a promising material to obtain a papaya variety with outstanding characteristics under tropical dry forest (TDF) conditions.
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