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Effect of morphactin on stem growth in relation to auxin in precooled rooted tulip bulbs

100%

Saniewski M., Okubo H., Puchalski J.

Acta Physiologiae Plantarum

1999

tom 21

nr 2

Effect of morphactin IT 3456, an auxin transport inhibitor, on tulip stem elongation induced by indole-3-acetic acid (IAA) was investigated. Tulip stem growth induced by IAA 0.1 % in lanolin paste applied on the top internode after excision of flower bud and removal of all leaves was greatly inhibited by 0.2 % morphactin IT 3456 applied on the 4th, 3rd, 2nd and 1st internode. The inhibitory effect of the morphactin on tulips stem growth promoted by IAA was restored by additional application of IAA below the morphactin treatment place. Morphactin inhibited also the growth of all internodes induced by flower bud in the absence of leaves. These results suggest a crucial role of auxin in the control growth of all internodes in tulip stem.

Morphactin substantially induced the fourth internode growth in decapitated tulips: relevance to endogenous levels of indole-3-acetic acid

67%

Ueda J., Goraj J., Wegrzynowicz-Lesiak E., Miyamoto K., Saniewski M.

Journal of Fruit and Ornamental Plant Research

2012

tom 20

nr 2

Ograniczanie wyników

1 Acta Physiologiae Plantarum

1 Journal of Fruit and Ornamental Plant Research

2 Saniewski M.

1 Goraj J.

1 Miyamoto K.

1 Okubo H.

1 Puchalski J.

1 Ueda J.

1 Wegrzynowicz-Lesiak E.

1 2012

1 1999

Wyniki wyszukiwania

Effect of morphactin on stem growth in relation to auxin in precooled rooted tulip bulbs

Morphactin substantially induced the fourth internode growth in decapitated tulips: relevance to endogenous levels of indole-3-acetic acid