干旱区生态环境知识资源中心(Arid): Climatic influences on fruit quality and sensory traits of cactus pear (Opuntia ficus-indica): a 5-year evaluation

Arid

DOI	10.17660/ActaHortic.2019.1247.4
	Climatic influences on fruit quality and sensory traits of cactus pear (Opuntia ficus-indica): a 5-year evaluation
	Coetzer, G. M.; De Wit, M.; Fouche, H. J.; Venter, S. L.
通讯作者	De Wit, M (corresponding author), Univ Free State, Nelson Mandela Rd,POB 339, Bloemfontein, South Africa.
会议名称	9th International Congress on Cactus Pear and Cochineal - CAM Crops for a Hotter and Drier World / General Meeting of the FAO-ICARDA International Cooperation Network on Cactus Pear and Cochineal (FAO-ICARDA CACTUSNET)
会议日期	MAR 26-30, 2017
会议地点	Coquimbo, CHILE
英文摘要	Cactus pears were introduced into South Africa and are used mainly as fodder crops. Interest in commercial fruit production has increased in the past few years. Since Opuntia ficus-indica and Opuntia robusta flourish in arid and semi-arid regions, it is worth looking into their potential not only as a fodder crop in dry seasons, but also for fruit production. Forty-two cultivars are being evaluated at an experimental orchard at Bloemfontein in the Free State Province in South Africa. Twelve cultivars with commercial fruit production potential were selected for evaluation of fruit eating quality as well as the effect of climate thereon. These were evaluated over five production seasons. Correlations were drawn on the influence of maximum temperature, heat units and rainfall on fruit quality. Rainfall had a significant positive effect on fruit mass, total soluble solids (TSS) content, glucose content, pulp pH and percentage titratable acidity (% TA), while it had a negative effect on percentage pulp and betacyanin (Bc) and betaxanthin (Bx) pigment contents. Fruit mass, TSS, glucose, fructose content and % TA correlated negatively with total heat units, while % pulp, vitamin C content, pulp pH, Bc and Bx correlated positively with total heat units. Maximum temperatures had similar effects on fruit quality to those observed for heat units, except for pulp pH. From these data, it is clear that all climatic factors measured correlated to changes in fruit quality, especially TSS, sugars, acidity and colour (pigments), although the effect of rainfall was most profound.
英文关键词	fruit quality rainfall accumulated heat units maximum temperature
来源出版物	PROCEEDINGS OF THE IX INTERNATIONAL CONGRESS ON CACTUS PEAR AND COCHINEAL: CAM CROPS FOR A HOTTER AND DRIER WORLD
ISSN	0567-7572
EISSN	2406-6168
出版年	2019
卷号	1247
页码	23-30
ISBN	978-94-62612-44-0
出版者	INT SOC HORTICULTURAL SCIENCE
类型	Proceedings Paper
语种	英语
收录类别	CPCI-S
WOS记录号	WOS:000719258700004
WOS关键词	YIELD ; SEASON ; HARDINESS ; CULTIVAR ; LOCATION
WOS类目	Agronomy ; Plant Sciences ; Horticulture
WOS研究方向	Agriculture ; Plant Sciences
资源类型	会议论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/370255
作者单位	[Coetzer, G. M.; De Wit, M.] Univ Free State, Nelson Mandela Rd,POB 339, Bloemfontein, South Africa; [Fouche, H. J.; Venter, S. L.] Agr Res Council, 1134 Pk St, Pretoria, South Africa
推荐引用方式 GB/T 7714	Coetzer, G. M.,De Wit, M.,Fouche, H. J.,et al. Climatic influences on fruit quality and sensory traits of cactus pear (Opuntia ficus-indica): a 5-year evaluation[C]:INT SOC HORTICULTURAL SCIENCE,2019:23-30.