Fruit shape is the result of the interaction between genetic, epigenetic, environmental factors and stochastic processes. As a core biological descriptor both for taxonomy and horticulture, the point at which shape stability is reached becomes paramount in apple cultivar identification, and authentication in commerce. Twelve apple cultivars were sampled at regular intervals from anthesis to harvest over two growing seasons. Linear and geometric morphometrics were analysed to establish if and when shape stabilised and whether fruit asymmetry influenced this. Shape stability was detected in seven cultivars, four asymmetric and three symmetric. The remaining five did not stabilise. Shape stability, as defined here, is cultivar-dependent, and when it occurs, it is late in the growing season. Geometric morphometrics detected stability more readily than linear, especially in symmetric cultivars. Key shape features are important in apple marketing, giving the distinctness and apparent uniformity between cultivars expected at point of sale.

Pollination services are critical for food production. Although domesticated honey bees are important pollinators in agriculture, there is growing interest in supporting naturally occurring wild bees. Diversifying pollination management strategies by encouraging healthy wild bee communities may be especially useful for growers of insect-pollinated crops, such as apples. Although research has identified several land management practices that can enhance local pollinator communities on farms, there are few studies on the factors that influence growers to adopt pollinator-supporting actions on their land. Here, we surveyed 75 Canadian apple growers and used regression models to explore the influence of farm characteristics and perceptions about bees on the likelihood of adopting 15 unique pollinator-supporting practices. We also provide a descriptive analysis of growers' pollination management practices and self-assessed resourcefulness on the ability to improve habitat for wild pollinators on the farm. We found that an increase in three variables: awareness of wild bees, perception of the severity of threats facing wild populations, and the perception of the benefits provided by wild bees is associated with more pollinator-supporting practices on the farm. Overall, growers were less likely to adopt pollinator-friendly practices as the fraction of rented land increased and as the perceived costs of implementing these practices rose. We found ‘low-hanging fruit’ (i.e., pollinator-supporting practices that could be easily and inexpensively implemented) were adopted by less than one-third of growers and that the majority of those surveyed had little to no knowledge on what actions to take if they wanted to improve their farms for wild bees or where to go for that knowledge. Our results suggest that policies and programs that focus on raising grower awareness of wild bees, increasing grower perception of their benefits, and reducing the perceived costs of implementing pollinator-supporting practices may positively affect their uptake. A deeper understanding of grower perceptions will provide essential insight into how growers may contribute to wild pollinator conservation while potentially increasing agricultural production and reducing vulnerability borne of heavy reliance on managed pollinators.

In-transit cold treatment consists of exposing food commodities – generally fresh agricultural products – to temperatures approaching 0 °C for a variable number of days during shipping in purpose-equipped containers in order to manage the risks of quarantine contamination. In this paper, we show that in-transit cold treatment is frequently required in the international trade of apples potentially affected by Mediterranean fruit fly (Ceratitis Capitata), despite the existence of potentially less costly and equally effective alternative means of applying the same treatment, in particular ‘cold storage’. We then try to understand why these alternative methods do not emerge spontaneously or become more widespread. We suggest that technical aspects and their respective costs are not always the most important factors. Transaction costs may also come into play. In accordance with ‘institutional path dependence’ literature, we suggest that the negotiation costs a country has to bear in order to encourage its trading partners to adopt an alternative treatment are high enough for it to be preferable to continue using the current solution, despite its higher adoption cost.

Whole apples are a source of pectin and polyphenols, both of which show potential to modulate postprandial lipaemia (PPL). The present study aimed to explore the effects of whole apple consumption on PPL, as a risk factor for CVD, in generally healthy but overweight and obese adults. A randomised, crossover acute meal trial was conducted with seventeen women and nine men (mean BMI of 34·1 (sem 0·2) kg/m2). Blood samples were collected for 6 h after participants consumed an oral fat tolerance test meal that provided 1 g fat/kg body weight and 1500 mg acetaminophen per meal for estimating gastric emptying, with and without three whole raw Gala apples (approximately 200 g). Plasma TAG (with peak postprandial concentration as the primary outcome), apoB48, chylomicron-rich fraction particle size and fatty acid composition, glucose, insulin and acetaminophen were analysed. Differences between with and without apples were identified by ANCOVA. Apple consumption did not alter postprandial TAG response, chylomicron properties, glucose or acetaminophen (P > 0·05), but did lead to a higher apoB48 peak concentration and exaggerated insulin between 20 and 180 min (P < 0·05). Overall, as a complex food matrix, apples did not modulate postprandial TAG when consumed with a high-fat meal in overweight and obese adults, but did stimulate insulin secretion, potentially contributing to an increased TAG-rich lipoprotein production.

We developed a trade model under imperfect competition to analyze the market power of U.S. and Chinese apple producers in the Association of Southeast Asian Nations (ASEAN) market and their domestic markets and the elimination of ASEAN tariffs on U.S. and Chinese apples. We also formulated welfare functions for the United States, China, and ASEAN. Comparative static results are derived to analyze the effect of tariff changes on exports, domestic sales, and welfare. Based on the theoretical model, we derived an econometric specification and used the new empirical industrial organization literature to estimate the market power of U.S. and Chinese apple producers. The econometric model is simulated to quantify the effect of tariff removal on exports and domestic sales.

Higher fruit intake is associated with lower risk of all-cause and disease-specific mortality. However, data on individual fruits are limited, and the generalisability of these findings to the elderly remains uncertain. The objective of this study was to examine the association of apple intake with all-cause and disease-specific mortality over 15 years in a cohort of women aged over 70 years. Secondary analyses explored relationships of other fruits with mortality outcomes. Usual fruit intake was assessed in 1456 women using a FFQ. Incidence of all-cause and disease-specific mortality over 15 years was determined through the Western Australian Hospital Morbidity Data system. Cox regression was used to determine the hazard ratios (HR) for mortality. During 15 years of follow-up, 607 (41·7 %) women died from any cause. In the multivariable-adjusted analysis, the HR for all-cause mortality was 0·89 (95 % CI 0·81, 0·97) per sd (53 g/d) increase in apple intake, HR 0·80 (95 % CI 0·65, 0·98) for consumption of 5–100 g/d and HR 0·65 (95 % CI 0·48, 0·89) for consumption of >100 g/d (an apple a day), compared with apple intake of <5 g/d (Pfor trend=0·03). Our analysis also found that higher apple intake was associated with lower risk for cancer mortality, and that higher total fruit and banana intakes were associated lower risk of CVD mortality (P<0·05). Our results support the view that regular apple consumption may contribute to lower risk of mortality.

The number of insecticide applications made by an apple grower to control an insect infestation is modeled as a geometric random variable. Insecticide efficacy, rate per application, month of treatment, and method of application all have significant impacts on the expected number of applications. The number of applications to control a given insect population is dependent on the probability of achieving successful control with a given application. Results suggest that northeastern growers have the highest and mid-Atlantic growers the lowest probability of controlling an infestation with a given application. Results also indicate that scales require the least and moths the most number of applications. Growers are not responsive to per unit insecticide prices, but respond negatively to insecticide toxicity, supporting findings from previous pesticide demand analyses.

The appearance of organic produce is often less than perfect because of limited methods of avoiding plant diseases. We combine hypothetical and real auction mechanisms to investigate how cosmetic damage affects Consumers' willingness to pay for apples. We find that 75% of the participants are willing to pay more for organic than for conventional apples given identical appearance. However, at the first sight of any imperfection in the appearance of the organic apples, this segment is significantly reduced. Furthermore, the cosmetic damage has a larger impact on the willingness to pay for organic apples than for conventional apples.

Introduction. The objectiveof this study was to examine the relationships among the ripeningattributes of ‘Honeycrisp’ apples at harvest and after storage,and the direct and indirect contributions of these attributes topeel greasiness and the incidence of soft scald and soggy breakdownduring storage using correlation and path-coefficient analyses. Materialsand methods. Fruit were harvested from a commercial orchardat least five times throughout the commercial harvest period during foursubsequent years (2008 to 2011). In two of the years, fruit werestored in air for 3 months at 3 °C and/or in a controlled atmosphere(1–2 kPa O2 + 1–2 kPa CO2) for 6 months at 3 °C. Fruit were analyzedat harvest and after storage. Results and discussion.Negative correlations were detected between internal ethylene concentration(IEC) and soluble solids concentration (SSC) or titratable acidity(TA) (the higher the IEC, the lower the SSC and TA) and a positivecorrelation between firmness and TA (the higher the firmness, thehigher the TA). More peel greasiness and higher incidence of soggybreakdown during storage were associated with lower firmness, SSCand TA. Negative correlations were also detected between the incidence ofsoft scald and IEC or peel greasiness. The results of the path-coefficientanalyses suggest that, in ‘Honeycrisp’, interrelationships amongpostharvest ripening indices and each individual disorder differ. Threepossible path models for the interrelationships among ripening attributes (independent variables)and the incidence of peel greasiness, soft scald and soggy breakdown(dependent variables) are presented.

Inflammatory bowel diseases (IBD) are immunomediated ailments affecting millions of individuals. Although diet is regarded as an important factor influencing IBD, there are no accepted dietary recommendations presently available. We administered 7·6 % lyophilised apples obtained from two cultivars (Golden Delicious and Marie Ménard, low and high in polyphenols, respectively) to HLA-B27 transgenic rats which develop spontaneous IBD. After 3 months feeding, rats fed Marie Ménard apples had reduced myeloperoxidase activity (3·6 (sem 0·3) v. 2·2 (sem 0·2) U/g tissue; P < 0·05) and reduced cyclo-oxygenase-2 (P < 0·05) and inducible NO synthase gene expression (P < 0·01) in the colon mucosa and significantly less diarrhoea (P < 0·05), compared with control rats. Cell proliferation in the colon mucosa was reduced significantly by feeding Golden Delicious apples, with a borderline effect of Marie Ménard apples. Gene expression profiling of the colon mucosa, analysed using the Whole Rat Genome 4 × 44 K Agilent Arrays, revealed a down-regulation of the pathways of PG synthesis, mitogen-activated protein kinase (MAPK) signalling and TNFα–NF-κB in Marie Ménard-fed rats. In the stools of the animals of this group we also measured a significant reduction of bacteria of the Bacteriodes fragilis group. In conclusion, the administration of Marie Ménard apples, rich in polyphenols and used at present only in the manufacturing of cider, ameliorates colon inflammation in transgenic rats developing spontaneous intestinal inflammation, suggesting the possible use of these and other apple varieties to control inflammation in IBD patients.

Production of some organic commodities, such as apples, is heavily concentrated in the United States (US), with Washington State being the leading US producer of organic apples. In 2003, there were 4047 ha of certified organic apple orchards in Washington State, an all-time high and a more than tenfold increase since 1989. But this growth has not occurred without difficulties. Washington State's organic apple growers have encountered international supply and demand pressures forcing them to seek new markets, such as the European Union (EU). In this paper, we explore the complexities of the international marketing of organic fruit, using organic apple production in Washington State and market opportunities for this organic fruit in the EU, as a case study. We find that as a result of the expansion of organic apple plantings in Washington State, there has been a decrease in the price premiums, which traditionally offset the greater costs of organic production and which originally motivated many Washington growers to certify their apple orchards. We also find that increased demand for organic fruits in the EU has been outpacing supply, making EU member states the most important export market for Washington's organic apples. However, despite the unification of US standards by the US Department of Agriculture (USDA) and an overriding EU standard, an entanglement of regulatory bodies from around the world is involved in the certification of organic products. For example, growers and marketers may have to interact with as many as six different regulatory bodies in order to export organic produce from the US to the EU. This study shows that while the EU market remains a promising destination for US organic apples, organic growers and marketers must plan ahead and thoroughly understand the multitude of regulations involved in the international trade of organic fruits.

Introduction. Les effets de la consommation de fruits et légumes vis-à-vis de pathologies ont été déjà mis en évidence par de nombreuses études dans lesquelles, en particulier, la consommation de la pomme a pu être corrélée à un effet protecteur significatif. Le document présente une synthèse des résultats qui ont été obtenus à l'issue de cette série d'études. Les fractions nutritionnellement actives de la pomme. Les apports de la pomme en glucides, polyphénols, minéraux, anions organiques et vitamines ont été successivement analysés et commentés en fonction des effets de ces éléments sur la santé humaine. Les effets santé potentiels de la pomme. Les effets protecteurs de la pomme vis-à-vis du risque cardiovasculaire ont été tout d'abord exposés ; des effets plus spécifiques ont ensuite été passés en revue : effets sur le statut insulinique et sur le statut antioxydant, effets antiacidosiques et impact sur les fermentations digestives dans le côlon. Conclusion. La pomme possède, d'un point de vue nutrition préventive, des potentialités très intéressantes. Un grand nombre d'effets santé qui lui sont attribués dépendrait d'interactions entre divers nutriments comme, par exemple, les interactions entre les fibres et certains polyphénols. Ces interactions sont encore mal connues ; leur étude semble prometteuse et pourrait être transposée à de nombreux aliments d'origine végétale.

The area devoted to organic table fruit production in Switzerland remained virtually unchanged from the 1930s to the mid-1980s. However, during the last decade there has been a fivefold increase in the production area, approaching a total of 340 ha in 2000 (4.8% of the total area of table fruit production). Factors contributing to this dramatic increase include (1) new and effective non-chemical methods for pest and disease control, (2) improved management and production techniques from research and extension programs, (3) increased marketing of organic produce by supermarkets due to consumer demand, and (4) change in Swiss government policy that began to subsidize ecological performance rather than farm production. A 1994 poll of consumer demand indicated that 3 to 5% of the total apples marketed in Switzerland was organically grown, and projected a total market share of 10% in the near future. Despite this, conventional fruit growers are hesitant to convert to organic production methods because of certain risks involving (1) selection of varieties, (2) pest and disease control, (3) crop hectarage controls, (4) weed control, and (5) tree nutrition. Research and development programs are attempting to deal with these problems, to reduce the level of risk with organic production. Nevertheless, ecological considerations to optimize fruit production are strongly dictated by market conditions and consumer demand. Finally, the development of a stable organic fruit production sector will require that retailers and supermarkets make certain concessions for marketing organic fruit.