A Comparative Study of some Local Genotypes with Commercial Cultivar of Black Elder (Sambucus nigra L.) Regarding Vegetative and Reproductive Traits

The main goal of this study was to evaluate three black elder (Sambucus nigra L.) genotypes (“Prigorje”, “Korčula”, “Zagreb”) and compare them with cv. Haschberg as standard cultivar. Diameter of inflorescences, cluster mass, berry/stem mass ratio, mass of 10 berries and SSC were higher in season 2014 than in season 2015, while length of one-year-old shoot and flowering density showed no significant differences. Interaction between season and genotype (S × G) was not significant for any of studied parameters. Genotype “Korčula” had significantly smaller diameter of inflorescence (11.26 ± 1.5 cm) than genotypes “Prigorje”, “Zagreb” and cv. Haschberg (16.81 ± 2.38, 18.05 ± 2.39, 17.5 ± 2.23 cm, respectively). Genotype “Korčula” (0.09 ± 0.03 flowers·cm-1) had significantly smaller flowering density than genotypes “Prigorje”, “Zagreb” and cv. Haschberg (0.15 ± 0.07, 0.15 ± 0.04, 0.16 ± 0.04 flowers·cm-1, respectively). Genotype “Korčula” had significantly smaller cluster mass (23.35 ± 10.71 g) than genotypes “Prigorje”, “Zagreb” and cv. Haschberg (54.07 ± 22.09, 56.24 ± 22.76, 67.29 ± 24.56 g, respectively). Cv. Haschberg had significantly higher mass of 10 berries (1.35 ± 0.2 g) than genotypes “Zagreb” (1.15 ± 0.17 g) and “Korčula” (1.14 ± 0.19 g). Genotype “Zagreb” had significantly higher value of total soluble solids (10.23 ± 1.74 %Brix) than genotype “Korčula” (8.99 ± 1.89 %Brix). Among studied genotypes and cv. Haschberg no significant differences were found for length of one-year-old shoot. Since no significant differences were recorded between cv. Haschberg and genotypes “Zagreb” and “Prigorje” in majority of parameters, these genotypes should be further evaluated for longer period in order to bring final conclusions about their commercial and breeding potential

A Comparative Study of some Local Genotypes with Commercial Cultivar of Black Elder (Sambucus nigra L.) Regarding Vegetative and Reproductive Traits

The main goal of this study was to evaluate three black elder (Sambucus nigra L.) genotypes (“Prigorje”, “Korčula”, “Zagreb”) and compare them with cv. Haschberg as standard cultivar. Diameter of inflorescences, cluster mass, berry/stem mass ratio, mass of 10 berries and SSC were higher in season 2014 than in season 2015, while length of one-year-old shoot and flowering density showed no significant differences. Interaction between season and genotype (S × G) was not significant for any of studied parameters. Genotype “Korčula” had significantly smaller diameter of inflorescence (11.26 ± 1.5 cm) than genotypes “Prigorje”, “Zagreb” and cv. Haschberg (16.81 ± 2.38, 18.05 ± 2.39, 17.5 ± 2.23 cm, respectively). Genotype “Korčula” (0.09 ± 0.03 flowers·cm-1) had significantly smaller flowering density than genotypes “Prigorje”, “Zagreb” and cv. Haschberg (0.15 ± 0.07, 0.15 ± 0.04, 0.16 ± 0.04 flowers·cm-1, respectively). Genotype “Korčula” had significantly smaller cluster mass (23.35 ± 10.71 g) than genotypes “Prigorje”, “Zagreb” and cv. Haschberg (54.07 ± 22.09, 56.24 ± 22.76, 67.29 ± 24.56 g, respectively). Cv. Haschberg had significantly higher mass of 10 berries (1.35 ± 0.2 g) than genotypes “Zagreb” (1.15 ± 0.17 g) and “Korčula” (1.14 ± 0.19 g). Genotype “Zagreb” had significantly higher value of total soluble solids (10.23 ± 1.74 %Brix) than genotype “Korčula” (8.99 ± 1.89 %Brix). Among studied genotypes and cv. Haschberg no significant differences were found for length of one-year-old shoot. Since no significant differences were recorded between cv. Haschberg and genotypes “Zagreb” and “Prigorje” in majority of parameters, these genotypes should be further evaluated for longer period in order to bring final conclusions about their commercial and breeding potential

Utjecaj crvene foto selektivne mreže na kakvoću ploda jabuke \u27Granny Smith\u27 nakon čuvanja u hladnjači i života na polici

The present study was conducted with aim to test the effect of red photo-selective nets (Agritech S.r.l., Eboly, Italy) on \u27Granny Smith\u27 apple postharvest quality. The fruits have been harvested on optimal harvest date from orchard near city of Zadar where red photo-selective nets were used. Afterwards fruits were stored in regular air storage at 0°C for 4 months and then kept for 7 days at room temperature (shelf life). After harvest, cold storage and shelf life fruits grown under red net had significantly lower total soluble solid (SSC) content. After cold storage, superficial scald index and share of fruits with strong and very strong superficial scald severity were significantly higher in fruits grown under red net while for share of fruits with low superficial scald severity situation was opposite. After shelf life, fruits grown under red net had significantly higher titratable acidity (TA), but lower weight loss and SSC/TA ratio. It can be concluded that, due to greater susceptibility to superficial scald, prevention measures (optimal harvest time, 1-MCP and CA storage) should be applied when red photo-selective net is used on superficial scald-susceptible apple varieties.Cilj ovog istraživanja je utvrditi utjecaj crvene fotoselektivne mreže (Agritech S.r.l., Eboli, Italija) na kakvoću plodova jabuke \u27Granny Smith\u27 nakon skladištenja i života na polici. Plodovi su ubrani u optimalnom roku u voćnjaku lociranom pokraj Zadra, Hrvatska gdje je korištena crvena fotoselektivna mreža. Nakon berbe plodovi su tijekom 4 mjeseca skladišteni u običnoj hladnjači pri 0°C te potom 7 dana na sobnoj temperaturi (život na polici). Plodovi uzgajani ispod crvene mreže su nakon berbe, skladištenja u hladnjači i života na polici imali signifikantno manji sadržaj topljive suhe tvari. Nakon završetka skladištenja u hladnjači indeks površinskog scalda te udio plodova sa jakim i iznimno jakim simptomima površinskog scalda je bio signifikantno veći na plodovima uzgojenima ispod crvene mreže, dok je za udio plodova sa blagim simptomima površinskog scalda situacija bila suprotna. Nakon života na polici plodovi uzgojeni ispod crvene mreže su imali signifikantno veću titracijsku kiselost, ali manji kalo i omjer topljive suhe tvari i titracijske kiselosti. Može se zaključiti da zbog veće osjetljivosti na površinski scald preventivne mjere (optimalan rok berbe, 1-MCP i čuvanje u kontroliranoj atmosferi) trebaju biti primijenjene kada se crvena fotoselektivna mreža koristi na sortama jabuke osjetljivima na površinski scald

Analysis of Acoustic Impulse Method for Determining Firmness and other Quality Parameters of \u27Gloster\u27 Apple

A comparative study regarding standard fruit quality measurements (fruit mass, firmness, soluble solids concentration, starch conversion rate and Streif index) and acoustic properties (resonant frequency, peak width, resonant frequency/peak width ratio and stiffness) were conducted in ‘Gloster’ apples during two seasons. The findings obtained indicate no significant differences between seasons in studied quality parameters as well as in acoustic properties. The fruits were characterized with unusual high mass and high variation in resonant frequency and peak width, especially in season-I. In about 50% of examined fruit, the acoustic signal was not typical with one clearly visible peak, and appeared with two or, in few cases, even three peaks that were sometimes of similar height. The fruit mass was negatively correlated with resonant frequency, but correlation coefficient was lower in season-I and less significant than in season-II. Correlation coefficient between fruit mass and peak width was the same in both seasons. Although positive correlation existed between fruit mass and resonant frequency/peak ratio in both seasons, correlation coefficient in season-I was higher and more significant than in season-II. Correlation between fruit mass and stiff ness existed only in season-II. Resonant frequency was positively correlated with peak width only in season-I. Stiff ness was positively correlated with Streif index and peak width only in season-II. Though not significant, higher variations in acoustic properties than standard quality measurements still indicate some usefulness of acoustic impulse method for determination of fruit quality of ‘Gloster’ apple. However, further research is needed to elucidate the significance of individual acoustic parameters and their relation to fruit quality

Analysis of Acoustic Impulse Method for Determining Firmness and other Quality Parameters of \u27Gloster\u27 Apple

A comparative study regarding standard fruit quality measurements (fruit mass, firmness, soluble solids concentration, starch conversion rate and Streif index) and acoustic properties (resonant frequency, peak width, resonant frequency/peak width ratio and stiffness) were conducted in ‘Gloster’ apples during two seasons. The findings obtained indicate no significant differences between seasons in studied quality parameters as well as in acoustic properties. The fruits were characterized with unusual high mass and high variation in resonant frequency and peak width, especially in season-I. In about 50% of examined fruit, the acoustic signal was not typical with one clearly visible peak, and appeared with two or, in few cases, even three peaks that were sometimes of similar height. The fruit mass was negatively correlated with resonant frequency, but correlation coefficient was lower in season-I and less significant than in season-II. Correlation coefficient between fruit mass and peak width was the same in both seasons. Although positive correlation existed between fruit mass and resonant frequency/peak ratio in both seasons, correlation coefficient in season-I was higher and more significant than in season-II. Correlation between fruit mass and stiff ness existed only in season-II. Resonant frequency was positively correlated with peak width only in season-I. Stiff ness was positively correlated with Streif index and peak width only in season-II. Though not significant, higher variations in acoustic properties than standard quality measurements still indicate some usefulness of acoustic impulse method for determination of fruit quality of ‘Gloster’ apple. However, further research is needed to elucidate the significance of individual acoustic parameters and their relation to fruit quality

Effect of Timing and Rates of NAA Chemical Thinner on Fruit Quality of apple cv. \u27Granny Smith\u27

Fruit thinning in apple crop plays a critical role to achieve marketable king size fruits with better fruit quality apples. The thinning experiments were conducted using naphthaleneacetic acid (NAA) at different concentrations (0, 10, 15 and 20 μl·l-1) applied at three timings [full bloom (FBT), fruit (FT) and the combination of both (FBT + FT)] in order to evaluate the optimum level of thinner with best application timing on fruit quality attributes of cv. \u27Granny Smith\u27 fruits. Statistically significant differences were found regarding the effect of timing, concentration and combination of both, timing and concentrations, on firmness, soluble solids concentration (SSC) and titratable acidity (TA), while there were no significant differences with addition of timing for SSC/TA ratio, fruit mass and starch degradation level. The highest fruit mass (195.09 g) and TA (0.67%) was achieved using NAA at 20 μl·l-1 in FT time while NAA at 15 μl·l-1 resulted in highest fruit firmness (7.25 kg cm-2), SSC (13.04° Brix) in FBT time. SSC/TA ratio was the highest (25.31) at FT time with the same NAA dosage. However, the highest starch degradation was achieved at FBT + FT time with 15 μl·l-1. It can be concluded that application of 10 μl·l-1 NAA at FBT + FT time is recommended to achieve best results since it favourably affected the most quality parameters

HIV, Gender, Race, Sexual Orientation, and Sex Work: A Qualitative Study of Intersectional Stigma Experienced by HIV-Positive Women in Ontario, Canada

Mona Loutfy and colleagues used focus groups to examine experiences of stigma and coping strategies among HIV-positive women in Ontario, Canada

Hole transport in molecularly doped polymers used for xerographic photoreceptors

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