Field evaluation of five clones of tissue-cultured bananas in northern New South Wales

• Authors : Johns, G.G.


• Document type : Journal article


• Year of publication : 1994


• Journal title : Australian Journal of Experimental Agriculture


• Volume (number) : 34 (4)




• Pages : 521-528


• Peer-reviewed : Yes


• ISSN : 1836-0939; 1836-5787


• Language(s) : English


• Abstract : The performance of 5 clones of tissue culture (TC) plants (Chinese Cavendish, 2 Mons Mari clones and 2 Williams clones) and 1 clone propagated by suckers (Williams) was monitored in the field over 3 crop cycles. TC offtypes became evident during the first year. Overall, 11% of field-planted TC plants were dwarf offtypes, and 8% were mosaic offtypes. Total offtypes ranged from 1 to 63% for different clones. Dwarf offtypes produced 6% fewer (P<0.001) bunches than normal types. Many mosaic offtypes died during the trial, and overall they produced 34% fewer (P<0.001) bunches than normal plants. Dwarf offtypes produced 41% of the marketable fruit of normal plants, while mosaic offtypes produced only 7% (P<0.001). TC plants produced their first crop 60 days earlier than plants from suckers; thereafter bunch to bunch intervals were similar. TC plants also produced 40% more (P<0.001) suckers during the first 18 months. Within the Williams clone, normal TC plants produced 15% more fingers per bunch in the plant crop than plants propagated as suckers (P<0.001). As TC plant crop fingers were 8% smaller (P<0.01), total fruit weight per bunch was 6% greater (P<0.05). Yield parameters were not significantly different during the first ratoon, but in the second ratoon TC plants had 5% more (P<0.05) fingers and 9% greater (P<0.01)total fruit weight. In the clonal comparison Chinese Cavendish was the shortest plant, had below-average finger size and its production and marketable fruit was below average. Mons Mari-WR was the tallest clone with the longest fruit, and the highest production of marketable fruit. Other clones were intermediate in height and production.
  
  [Cinq clones issus de culture de tissus : un 'Chinese Cavendish', deux 'Mons Mari' et deux 'Williams', ont été comparés à un clone 'Williams' issu de rejet, durant trois cycles, au champ. Les variants hors-type étaient des nains (11 pourcent) et des mosaïqués (8 pourcent). Le total des hors-types variaient de un à 63 pourcent selon les clones. Les nains produisaient 41 pourcent du produit commercialisable des normaux. Les plants normaux issus de culture de tissus étaient récoltés 60 jours plus tôt que ceux issus de rejets. Chez le clone 'Williams', les plants issus de culture de tissus normaux produisaient 15 pourcent de plus de doigts/régime que les plants issus de rejets. Les paramètres de récolte n'étaient pas significativement différents durant le deuxième cycle mais au troisième cycle les plants issus de culture de tissus avaient 5 pourcent de plus de doigts et 9 pourcent de plus du poids total. Caractéristiques des clones étudiés.]
  
  [Cinco clones procedentes de cultivo de tejidos (un 'Chinese Cavendish', dos 'Mons Mari' y dos 'Williams') fueron comparados con un clon 'Williams' cultivado de un retoño, durante tres ciclos en el campo. Las variantes eran enanas (11 por ciento) y con mosaico (8 por ciento). El total de variantes estuvo entre 1 y 63 por ciento de acuerdo al clon. Los enanos rindieron un 41 por ciento de la producción comercial de las plantas normales. Las plantas normales, procedentes de los cultivos de tejidos, fueron cosechadas 60 días más temprano que las plantas procedentes de retoños. En el 'Williams', las plantas normales cultivadas a partir del tejido normal, produjeron 15 por ciento más dedos por racimo que las plantas cultivadas a partir de retoños. Los parámetros de la cosecha no presentaron diferencias significativas en el segundo ciclo, pero en el tercer ciclo las plantas, procedentes de cultivo de tejidos, tuvieron 5 por ciento más dedos y 9 por ciento más de peso total. Características de los clones estudiados.]


• Keywords : TISSUE CULTURE; EVALUATION; AUSTRALIA; PLANTING MATERIAL


• Open access : No


• Document on publisher's site : View article on publisher's site


• Musalit document ID : FA955091

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