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• Background and Aims Isolation and drift are the main causes for geographic structure of molecular variation. In contrast, the one found in a previous survey in Armeria (Plumbaginaceae) for nuclear ribosomal ITS multicopy regions was species‐independent and has been hypothesized to be due to...
• Background and Aims Titanotrichum oldhamii is a monotypic genus distributed in Taiwan, adjacent regions of China and the Ryukyu Isands of Japan. Its conservation status is vulnerable as most populations are small and widely scattered. Titanotrichum has a mixed system of reproduction with...
• Background and Aims Previous work has shown that Borszczowia aralocaspica (Chenopodiaceae) accomplishes C 4 photosynthesis in a unique, polarized single‐cell system in leaves. Mature cotyledons have the same structure as leaves, with chlorenchyma cells having biochemical polarization of...
• Background and Aims Betula ermanii , B. maximowicziana and B. platyphylla var. japonica have heterophyllous leaves (i.e. early leaves and late leaves) and are typical pioneer species in northern Japan. Chemical and physical defences against herbivores in early and late leaves of these species...
• Background and Aims In some dicotyledonous leaves and leaflets, the secondary veins run more‐or‐less straight to the margins and have well‐defined lengths. For a given half‐lamina of length L , an equation, previously proposed, relates the lengths of these veins, p , to the distances,...
• Background and Aims Border cells are released from the root tips of many plant species, and can remain viable in the rhizosphere for 1 week. Whether border cells are capable of controlled glucose exchange with their environment was investigated. • Methods Border cells were removed from Zea...
• Model A previously developed dynamic model, NICOLET, designed to predict growth and nitrate content of a lettuce crop, is subjected to (virtual) constant environmental conditions. For every combination of shoot and root environment, the cell sap, here assumed to reside in the ‘vacuole’...
• Background and Aims Aglaonema is an important ornamental foliage plant genus, but genetic relationships among its species and cultivars have not been reported. This study analysed genetic relatedness of 54 cultivars derived from nine species using amplified fragment length polymorphism (AFLP)...
• Background and Aims High lignin content of lignocellulose jute fibre does not favour its utilization in making finer fabrics and other value‐added products. To aid the development of low‐lignin jute fibre, this study aimed to identify a phloem fibre mutant with reduced lignin. • Methods...
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