Huck M.G. 1970. Variation in taproot elongation as influences composition of the soil air.
Agronomy Journal62:815–818.
Imaseki H. 1985. “Hormonal control of the wound-induced responses.” In Hormonal regulation of
development. III. Role of environmental factors, Encyclopedia of plant physiology, New Series,
Vol. 11, edited by R.P. Pharis and D.M. Reid, pp. 484–512. Berlin: Springer.
Ishikawa H., Evans M.L. 1990a. Gravity-induced changes in intracellular potentials in elongating
cortical cells of mung bean roots. Plant and Cell Physiology31:457–462.
Ishikawa H., Evans M.L. 1990b. Electrotropism of maize roots: role of the root cap and relation-
ship to gravitropism. Plant Physiology94:913–918.
Iwabuchi A., Yano M., Shimizu H. 1989. Development of extracellular electric pattern
around Lepidiumroots: its possible role in root growth and gravitropism. Protoplasma
148:94–100.
Jaffe M.J., Takahashi T., Biro, R. L. 1985. A pea mutant for the study of hydrotropism in roots.
Science230:445–447.
Kang J.-y. Choi H.-i., Im M.-y., Kim S.Y. 2002. Arabidopsisbasic leucine zipper proteins that me-
diate stress-responsive abscisic acid signaling. Plant Cell14: 343–357.
Kiss J.Z., Hertel R., Sack F.D. 1989. Amyloplasts are necessary for full gravitropic sensitivity in
roots of Arabidopsis thaliana.Planta177:198–206.
LaMotte C.E., Pickard B.G. 2004. Control of gravitropic orientation. II. Dual receptor model for
gravitropism. Functional Plant Biology31: 109–120.
Larcher W. 1995. Physiological plant ecology, 3d ed. Berlin: Springer.
Lee J.S., Mulkey T.J., Evans M.L. 1983. Reversible loss of gravitropic sensitivity in maize roots
after tip application of calcium chelators. Science220:1375–1376.
Lincoln C., Britton J.H., Estelle M. 1990. Growth and development of the axr1mutant of
Arabidopsis.Plant Cell2:1071–1080.
Lu C., Federoff N. 2000. A mutation in the Arabidopsis HYL1gene encoding a dsRNA binding
protein affects responses to abscisic acid, auxin, and cytokinin. Plant Cell12:2351–2365.
Lush M.W., Grieser F., Wolters-Arts M. 1998. Directional guidance of Nicotiana alatapollen
tubes in vitro and on the stigma. Plant Physiology118:733–741.
Ma H. 2003. Plant reproduction: GABA gradient, guidance and growth. Current Biology
13:R834–R836.
Marsh G., Beams H.W. 1945. The orientation of pollen tubes of Vincain the electric current.
Journal of Cellular and Comparative Physiology25:195–204.
Márton M.L., Cordts S., Broadhvest J., Dresselhaus T. 2005. Micropylar pollen tube guidance by
egg apparatus 1 of maize. Science307: 573–576.
Massa G.D., Gilroy S. 2003. Touch modulates gravity sensing to regulate the growth of primary
roots of Arabidopsis thaliana.Plant Journal33:435–445.
McGillavray A.M., Gow N.A.R. 1986. Applied electrical fields polarize growth of mycelial fungi.
Journal General Microbiology132: 2515–2525.
Molisch H. 1884. Ueber die Ablenkung der Wurzlen von ihrer normalen Wachsthumsrichtung
durch Gase (Aerotropismus). Berichte der Deutschen Botanischen Gesellschaft2:160–169.
Moore R., Fondren M., Marcum H. 1987. Characterization of root agravitropism induced by ge-
netic, chemical and developmental constraints. American Journal of Botany74:329–336.
Nagpal P., Walker L.M., Young J.C., Sonwala A., Timpte A., Estelle M., Reed J. W. 2000. AXR2
encodes a member of auxin Aux/IAA protein family. Plant Physiology123:563–573.
Newcombe F.C., Rhodes A.L. 1904. Chemotropism of roots. Botanical Gazette37:23–35.
Nylander M., Svensson J., Palva E.T., Welin B.V. 2001. Stress-induced accumulation and tissue-
specific localization of dehydrins in Arabidopsis thaliana.Plant Molecular Biology 45:
263–279.
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