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Plant growth: Sentinel leaf tip communicates the shade threat to its base
1Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura, Facultad de Agronomía, Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, 1417 Buenos Aires, Argentina; Fundaciόn Instituto Leloir, Instituto de Investigaciones Bioquímicas de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, 1405 Buenos Aires, Argentina.
Abstract:
When neighbouring competitors shade the tip of a leaf, differential growth at the other end of the organ elevates its position to avoid shade. A new study elucidates how waves of growth hormones communicate these distant leaf sectors.
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