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Croissance et développement du Pachyrhizus erosus (Urban), 1: Effects de l'acide gibbérellique et du chlorure de chlorocholine en jours courts

by Zinsou, C; Venthou-Dumaine, A; Vansuyt, G.
Publisher: 1987Subject(s): PACHYRHIZUS EROSUS | ACIDO GIBERELICO | FLORACION | MATERIA SECA | FRUCTIFICACION | CRECIMIENTO | REGULACION DEL CRECIMIENTO | SUSTANCIAS DE CRECIMIENTO VEGETAL | ORGANOS DE RESERVA | TUBERCULO | GIBBERELLIC ACID | FLOWERING | FRUITING | GROWTH | GROWTH REGULATION | PLANT GROWTH SUBSTANCES | STORAGE ORGANS | TUBERS | ACIDE GIBBERELLIQUE | FLORAISON | FRUCTIFICATION | CROISSANCE | REGULATION DE LA CROISSANCE | SUBSTANCE DE CROISSANCE VEGETALE | ORGANE DE RESERVE | TUBERCULE In: Agronomie (Francia) v. 7(9) p. 677-683Summary: The effects of gibberellic acid at 50 and 200 p.p.m. (GA 50 and GA 200) and chlorocholine chloride 1 000 and 5 000 (CCC 1 000 and CCC 5 000) were investigated in the field on growth, flowering and tuberization of yam bean, a tropical legume producing grain and tubers. GA enhanced the development of the aerial parts and tubers but inhibited flowering. CCC favoured flowering and pod formation but reduced tuber development. Only GA 50 plants presented dry matter accumulation per plant higher than that obtained with other treatments. Analysis of matter distribution revealed that the percent share allocated to aerial parts (leaves and stems) and to storage organs (pods and tubers) was almost constant. The effects of growth substances essentially resulted in a different distribution of dry matter between the two storage organs, pods and tubers.
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The effects of gibberellic acid at 50 and 200 p.p.m. (GA 50 and GA 200) and chlorocholine chloride 1 000 and 5 000 (CCC 1 000 and CCC 5 000) were investigated in the field on growth, flowering and tuberization of yam bean, a tropical legume producing grain and tubers. GA enhanced the development of the aerial parts and tubers but inhibited flowering. CCC favoured flowering and pod formation but reduced tuber development. Only GA 50 plants presented dry matter accumulation per plant higher than that obtained with other treatments. Analysis of matter distribution revealed that the percent share allocated to aerial parts (leaves and stems) and to storage organs (pods and tubers) was almost constant. The effects of growth substances essentially resulted in a different distribution of dry matter between the two storage organs, pods and tubers.

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