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. 1986 Apr;80(4):856-8.
doi: 10.1104/pp.80.4.856.

Effect of Calcium on Tuberization in Potato (Solanum tuberosum L.)

V Balamani  1 , K Veluthambi, B W Poovaiah
Affiliations

Effect of Calcium on Tuberization in Potato (Solanum tuberosum L.)

V Balamani et al. Plant Physiol. 1986 Apr.

Abstract

Tuberization response of single-node leaf cuttings from induced potato plants (Solanum tuberosum L.) was reversed when pretreated with 5 millimolar ethyleneglycol-bis-(beta-aminoethyl ether)N,N'-tetraacetic acid (EGTA) + 50 micromolar calcium ionophore (A23187) and resumed when transferred to a CaCl(2)-containing medium. Tuberization was inhibited by LaCl(3), chlorpromazine, and trifluoperazine at 5 to 10 micromolar. These results suggest a role for calcium in the tuberization process.

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