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Titolo:
2-PHENYL-5H-PYRAZOLO[5,1-A]ISOQUINOLIN-5-ONES - DEVELOPMENT OF NEW AUXIN TRANSPORT INHIBITORS AND THEIR PLANT-GROWTH REGULATING PROPERTIES
Autore:
WATANABE K; KAMURO Y; TANIGUCHI E;
Indirizzi:
KYUSHU NATL AGR EXPT STN,DEPT AGROENVIRONM MANAGEMENT NISHIGOSHI 86111 KUMAMOTO JAPAN FUJISAWA PHARMACEUT CO LTD TOYOSATO IBARAKI 30026 JAPAN KYUSHU UNIV,FAC AGR,DEPT AGR CHEM,HIGASHI KU FUKUOKA 812 JAPAN
Titolo Testata:
Journal of agricultural and food chemistry
fascicolo: 10, volume: 42, anno: 1994,
pagine: 2311 - 2316
SICI:
0021-8561(1994)42:10<2311:2-DONA>2.0.ZU;2-I
Fonte:
ISI
Lingua:
ENG
Soggetto:
IN-VITRO BINDING; 1-N-NAPHTHYLPHTHALAMIC ACID; CORN COLEOPTILES; PHYTOTROPINS; REQUIREMENTS; MORPHACTINS; RECOGNITION; RECEPTOR;
Keywords:
AUXIN TRANSPORT INHIBITORS; 2-PHENYL-5H-PYRAZOLO[5,1-A]ISOQUINOLIN-5-ONE; PLANT GROWTH REGULATING ACTIVITY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
39
Recensione:
Indirizzi per estratti:
Citazione:
K. Watanabe et al., "2-PHENYL-5H-PYRAZOLO[5,1-A]ISOQUINOLIN-5-ONES - DEVELOPMENT OF NEW AUXIN TRANSPORT INHIBITORS AND THEIR PLANT-GROWTH REGULATING PROPERTIES", Journal of agricultural and food chemistry, 42(10), 1994, pp. 2311-2316

Abstract

2-Phenylisoxazolylphenylacetic acids (isoxazoles) and 2-phenyl-5H-pyrazolo[5,1-alpha]isoquinolin-5-ones (isoquinolines) inhibited auxin polar transport (ATP) and inhibited hypocotyl elongation in the same concentration as benzoic acid APT inhibitors, known as phytotropins. At early growth stages of rice, tomato, cucumber, and soybean, isoquinolines inhibited stem elongation in a lower concentration than isoxazoles triiodobenzoic acid and 2-phenylisoxazolylbenzoic acid (phytotropin). p-OMe, F, Br, or CF3 substituent on isoquinoline increased the growth inhibiting activity in rice stem, whereas m-Cl, F, or m,p-DiOMe substituents increased the activity in soybean. In fields, p-F isoquinoline had more favorable properties than the other isoquinolines and structurally related compounds such as m-Cl isoxazole and DPX-1840 (phytotropin) in that it (25 g ha(-1)) sometimes increased seed yields of rice and wheat. The early morphological changes due to apical dominance inhibition, increase of tiller or branch number, and reduction of plant height were observed on various rice cultivars of Japonica and Indica, whereas they seem not to be concerned with seed yield.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 27/11/20 alle ore 10:29:41