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Physiological Effects of Rare Earths on black currant Plants

Journal of Rare Earths 1995年第3期13卷 217-220页

作者：刘洪章李亚东郝瑞 Jilin Agricultural Univ Changchun China

Various concentrations of ''Nongle'' rare earth were applied on 'Xinbin'' cultivar of black currant plants. The results indicated that leaf chlorophyll contents, photosynthetic rate, stomatal conductance, photon flux density and leaf transpiration rate of black currant plants were influenced significantly by rare earth applied on leaves. Foliage application of 300 to 800 mg/L rare earth two times in the growing season was better than those applied once.

关键词： black currant RARE EARTHS PHYSIOLOGICAL EFFECT

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Production Situation of black currants (Ribes nigrum L.) in Poland

Production Situation of Black Currants (Ribes nigrum L.) in ...

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中国园艺学会观赏园艺专业委员会2008年学术年会

作者： Roman Holubowicz Agricultural University of Poznan 62-081 Poznan Poland

black currant (Ribes nigrum L.) is rich in ascorbic acid and has a number of healthy *** production of black currant in Po- land covers three-fourths of the total production in the European *** period of work made the breeders in Poland accumulate plenty of *** and credible germplasm resources have been protecting and reserving in the gene bank-of black currant for a long time. Hybridization,molecular marker and introduction from abroad were applied in the breeding of black currant cuhivars.

关键词： black currant Production Cultivar

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Dormancy Interferes with Flowering in Perennial Plants with Short Day Regulation of Both Processes:A Mini-Review

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Agricultural Sciences 2015年第8期6卷 778-782页

作者： Ola M.Heide Anita Sonsteby Department of Ecology and Natural Resource Management Norwegian University of Life SciencesAsNorway NIBIO Norwegian Institute of Bioeconomy ResearchAsNorway

In many perennial woody plants growing in the temperate and cold regions, regulation of seasonal growth cessation and floral initiation are closely integrated, both taking place in photoperiods shorter than a critical length. In the temperate shrub black currant (Ribes nigrum L.), the two processes proceed harmoniously in parallel under naturally decreasing autumn photoperiods, whereas an abrupt shift to photoperiods well below the critical length results in an immediate growth cessation and premature dormancy. As a result, floral initiation is suppressed and arrested. Other perennial plants such as hop (Humulus lupulus), which have the same dual short day responses, behave in the same way. In such plants, optimal flowering takes place at near-critical photoperiods, which are short enough to induce flowering and still long enough to prevent premature dormancy. These responses deviate from the situation in annual plants, which have predominated in studies on photoperiodic control of flowering. Another example of linkage between flowering and dormancy responses is the well-known dual effects of chilling temperature on vernalization and its relation to dormancy. Elucidation and disentangling of these networks of integrated processes are now awaiting joint research efforts in the areas of molecular genetics and experimental plant physiology.

关键词： black currant Dormancy and Flowering Hop Perennial Photoperiod

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