PHYSIOLOGICAL POSTHARVEST BEHAVIOUR OF FLORAL ROSE STEMS (Rosa hybrida L.) IN RESPONSE TO PHOSPHORUS APPLIED IN PREHARVEST

被引：0

作者：

Juarez-Lopez, P. ^{[1
]}

Sandoval-Villa, M. ^{[2
]}

Gonzalez-Hernandez, V ^{[2
]}

Colinas-Leon, M. T. ^{[3
]}

机构：

[1] Univ Autonoma Nayarit, Unidad Acad Agr, Km 9 Carretera Tepic Vallarta Xalisco, Vallarta Xalisco, Nayarit, Mexico

[2] Colegio Postgrad, Montecillo, Mexico

[3] Univ Autonoma Chapingo, Dept Fitotecnia, Texcoco, Mexico

来源：

REVISTA BIO CIENCIAS | 2010年 / 1卷 / 02期

关键词：

Classy; Vega; transpiration; swelling potential; vase life; hydroponics;

D O I：

暂无

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

During growth development of flowers, phosphorus nutrition is a factor that may influence the life of the flower in the vase. The objective of this study was to evaluate the effect of five levels of phosphorus (P) 0, 0.5, 1.0, 1.5 and 2.0 me.L-1 of P applied in pre-harvest, by using an open hydroponics system, on the physiological postharvest behavior of floral rose stems (Rosa hybrida L.) 'Classy' and 'Vega'. The variables assessed during the vase life of floral stems were: leaf and floral transpiration, leaf and petals swelling potential. In addition, the concentration of anthocyanins in petals at the time of harvest was evaluated. The pre-harvest application of P had a significant effect only on leaf transpiration; however, it was demonstrated that the longest vase life (15.8 days) of 'Classy' compared to 'Vega' (11.7 days) was directly associated with increased swelling potential in leaf and petals, higher floral transpiration and lower leaf transpiration rates in 'Classy'.

引用

页码：3 / 16

页数：14

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