Abstract
Banana, one of the major staple food crops of the world, flowers round the year irrespective of the season. It gives the decisive flexibility to the grower for planning orchard operations as well as exploring the best marketing opportunities for the produce well in advance. Being a heavy feeder of nutrients and water, these inputs are critical to the success of banana cultivation especially at reproductive stage. Also, banana fruits are sensitive to many biotic and abiotic stresses which render them unsuitable for marketing. All these factors could be taken care of if phenological cycle of the crop is known to the grower. In Ney Poovan (Musa AB) banana, 58 plants were studied for parameters like days taken for floral initiation, anthesis, completion of female phase, fruit filling and total crop duration using BBCH scale. Inflorescence appeared after 311 days of planting and duration of reproductive stage varied between 124–147 days with average crop duration of 443 days. An account of the practical implications of this study has been discussed in detail. Further, another study was conducted in order to study the changes in the quality and storage behavior of the fruits harvested at different phases of bunch development (12–18 weeks after anthesis). Studies revealed that fruits harvested after 16 weeks of anthesis were more firm, exhibited maximum shelf life with minimum PLW and had highest TSS content amongst all the groups studied. The early as well as delayed harvesting rendered the fruits inferior in most of the parameters studied.
Zusammenfassung
Die Banane, eines der Hauptnahrungsmittel der Welt, blüht, unabhängig von der Jahreszeit, während des ganzen Jahres. Diese Eigenschaft ermöglicht dem Anbauer, die Obstproduktion zu planen und die besten Vermarktungsmöglichkeiten für das Produkt im Voraus zu erkunden. Dadurch, dass Bananen einen hohen Nährstoff- und Wasserbedarf haben, sind diese Faktoren besonders während der Fruchtbildungsphase entscheidend für den Erfolg der Bananenkultur. Bananen reagieren ebenfalls empfindlich auf biotischen und abiotischen Stress, der zu unzureichenden Vermarktungsqualitäten führen kann. Alle diese Faktoren können berücksichtigt werden, wenn sich der Anbauer mit dem phänologischen Zyklus auskennt.
58 Pflanzen der Bananensorte ‚Ney Poovan‘ (Musa, AB) wurden auf Parameter wie Tage bis zum Blühbeginn, Anthese, Beendigung der weiblichen Phase, Fruchtbildung und Reifestadien unter Zuhilfenahme der BBCH-Skala untersucht. Der Blütenstand erschien 311 Tagen nach der Pflanzung, die generative Phase lag zwischen 124 und 147 Tagen. Von der Pflanzung bis zur Ernte vergingen durchschnittlich 443 Tage. Die praktischen Schlussfolgerungen dieser Studie werden berichtet und ausführlich diskutiert.
Darüber hinaus wird eine weitere Studie ausgeführt, die sich mit der Qualitätsveränderung und dem Lagerverhalten der in verschiedenen Entwicklungsphasen geernteten Bananenbüschel (12 bis 18 Wochen nach der Anthese) befasst. Studien zeigten, dass die Früchte, die 16 Wochen nach der Anthese geerntet wurden, weniger fester waren und ein größtmögliches Shelf Life mit kleinstem physiologischen Gewichtsverlust (PLW) und höchstem Trockensubstanzgehalt (TSS) innerhalb aller geprüften Varianten aufwiesen. Die zu frühe als auch die zu späte Ernte führte zu geringeren Fruchtqualitäten.
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Senior author is thankful to the Department of Science and Technology, Government of India, for providing financial assistance in the form of an INSPIRE Fellowship (IF 10077).
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Bohra, P., Waman, A., Umesha, K. et al. Key Phenological Events, their Practical Implications and Effect of Bunch Age on Physico-Chemical and Postharvest Attributes in Ney Poovan Banana (Musa AB). Erwerbs-Obstbau 57, 13–22 (2015). https://doi.org/10.1007/s10341-014-0224-4
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DOI: https://doi.org/10.1007/s10341-014-0224-4