Aroma Characteristics of Two Primocane-Bearing Blackberry Cultivars as Impacted by Foliar and Shade Applications

IF 2.8 Q2 FOOD SCIENCE & TECHNOLOGY

ACS food science & technology Pub Date : 2025-08-29 DOI:10.1021/acsfoodscitech.5c00137

Tianyou Xu, Jayesh Samtani, Han Chen, Jingsi Liu and Yun Yin*,

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引用次数: 0

Abstract

This study aimed to evaluate the influence of shade cloth and preharvest foliar treatments on aroma profiles and fruit quality of two blackberry (Rubus spp.) cultivars in Virginia across two growing seasons. Two newly developed thornless primocane cultivars, Prime-Ark Traveler and Prime-Ark Freedom blackberry, were randomly assigned to treatments, including 30% light-reducing shade cloth, calcium and salicylic acid foliar applications, and grower standard control. Aroma characterization was performed using headspace solid phase microextraction (HS-SPME) and gas chromatography–mass spectrometry–olfactometry (GC–MS-O), and 14 key aroma-active compounds were identified. Prime-Ark Freedom is characterized as more “fruity” and “floral”, while Prime-Ark Traveler features more “green” and “fresh” notes. This study revealed the aroma profiles of the above two Virginia-adapted cultivars for the first time. Seasonal aroma variation indicated that environmental factors played a greater role than agronomic treatments; therefore, regional berry growers should be cautious about adopting foliar and shade applications.

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叶面和遮荫对两个含原烷黑莓品种香气特性的影响

本研究旨在评价遮荫布和采前叶面处理对两个维吉尼亚州黑莓（Rubus spp.）品种两个生长季节香气和果实品质的影响。两种新开发的无刺黑莓品种，Prime-Ark旅行者和Prime-Ark自由黑莓，随机分配到30%的遮光布处理，钙和水杨酸叶面施用，以及种植者标准对照。采用顶空固相微萃取法（HS-SPME）和气相色谱-质谱-嗅觉法（GC-MS-O）进行香气表征，鉴定出14种关键芳香活性化合物。Prime-Ark Freedom的特点是更“果味”和“花香”，而Prime-Ark Traveler的特点是更“绿色”和“清新”。本研究首次揭示了上述两个维吉尼亚适应品种的香气特征。季节香气变化表明环境因素的影响大于农艺处理；因此，区域浆果种植者应谨慎采用叶面和遮荫应用。

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来源期刊

ACS food science & technology

CiteScore

3.30

自引率

0.00%

发文量