Leaf dynamics in growth and reproduction ofXanthium canadenseas influenced by stand density | Zendy

Takahiro Ogawa | Zendy; Shimpei Oikawa | Zendy; Tadaki Hirose | Zendy

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Leaf dynamics in growth and reproduction ofXanthium canadenseas influenced by stand density

Author(s) -

Takahiro Ogawa,

Shimpei Oikawa,

Tadaki Hirose

Publication year - 2015

Publication title -

annals of botany

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.567

H-Index - 176

eISSN - 1095-8290

pISSN - 0305-7364

DOI - 10.1093/aob/mcv114

Subject(s) - xanthium , biology , canopy , vegetative reproduction , botany , main stem , sink (geography) , growth rate , leaflet (botany) , horticulture , geometry , cartography , mathematics , geography

Leaf longevity is controlled by the light gradient in the canopy and also by the nitrogen (N) sink strength in the plant. Stand density may influence leaf dynamics through its effects on light gradient and on plant growth and reproduction. This study tests the hypothesis that the control by the light gradient is manifested more in the vegetative period, whereas the opposite is true when the plant becomes reproductive and develops a strong N sink.

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