Cultivars and sequential harvesting influence physiological and functional quality of strawberry fruits

Strawberry is basically a temperate fruit, but, due to its short production cycle (100?120 days), it has now become the fastest growing crop in the tropical and sub-tropical regions of the Asian nations. In India, farmers of northern plain regions transplant the strawberries before the onset of the winter and keep on harvesting until early summer. Not much is known about the impact of the harvesting season (winter and summer) on the accumulation of health-promoting substances or on quality traits. Considering the existing research gaps and practical utility, the present study was undertaken. Materials and methods Four varieties were grown on raised beds with black polythene mulch, and a drip and fertigation system. Fruits were harvested at the ? colour (scarlet) development stage and observations were recorded on different physiological and functional attributes consecutively during three harvesting months. Results and discussion Our results indicated that both cultivars and harvesting months affected the physiology and functional quality of strawberry fruit. Anthocyanin, ascorbic acid and total antioxidants were found to be higher during March. Ascorbic acid content registered ? 50% reduction during advance summer harvesting (April). Among the tested varieties, Camarosa gave better results during all three harvesting months in terms of desirable quality traits. Conclusion Our findings show that there are some varieties such as Camarosa which have the potential to produce functionally superior fruits over other cultivars even during early summer. The information presented may be helpful in selection of suitable cultivars, and postharvest handling and processing measures for strawberry fruits harvested during different months. Sources Cultivars and sequential harvesting influence physiological and functional quality of strawberry fruits Pankaj Kumar Kannaujia, Ram Asrey, Kavita Bhatia and Sunil Kumar Jha Division of Post Harvest Technology, Indian Agricultural Research Institute, New Delhi, India, ramu_211@yahoo.com Fruits 69 (2014) 239-246 Abstract The picture of Camarosa is by Eurosemillas Key words Poscosecha??????? postcosecha????? postharvest?????? na-oes? ?????????????? ?????????????????????? post-r?colte????? ???? ?? ??????????????????????????????????????? na-oogst???????????? post-raccolta???? Obr?bka po?????? p?s-colheita????? ???????????????????????? hasat sonras????? ??????????????? Ernte???? ????????????????????????? ???? ?????????????????? postcollita?????????? poskliz?ov頠???? ?????? ????????????????? ??????????????? nakon branja???? pozberov頠?????????????????????? obdelovanje zemlje po??????????????? post-colleita????? ??????????????? pascapanen??????????????? ?il?onn postharvest??????? ????????????? p?c ra?as???????????? derliaus apdirbimas polepas tuai??????????? ??????????? post-recoltare???????????? ?????? ?????? ???????????????????????? ?????????????????????? ??????????????????????????? sau thu ho?ch??????????????? ?????????????????????????????? zangemva kwenkathi yokuvuna????????????????????????????? Fresa??? frutilla?? strawberry strawberries??????????????? aarbei?? ????????????????????? ?????????????????????? fraise??? ?????????????????? ??????????? aardbei??????????????? fragola? truskawka??????????????? morango???????????? ?????????????????? ?ilek?????? ???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? ?????????????????????????????????????????????????????????????????????????????????????????????????????????????