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        검색결과 7

        3.
        2019.12 KCI 등재 구독 인증기관 무료, 개인회원 유료
        After harvest, Dolcetto cut roses were immediately exposed to air for 0 (E-0), 1 (E-1), 2 (E-2), and 3 h (E-3) and then placed under tap water for recovery. We determined the effect of air exposure time on vase life, water relations, and gene expression of cut flowers. The results revealed that E-0 treatment exhibits a higher postharvest quality of cut flowers than others. E-3 treatment significantly decreased the vase l ife of c ut r oses d ue t o an early f ailure o f water relations, such as larger stomatal size, higher transpiration, shorter time maintaining positive water balance, and the bacterial proliferation. E-0 treatment significantly decreased water stress, maintained leaf chlorophyll fluorescence ratios, and extended the vase life of cut roses. The decrease in water stress of E-0 treated flowers may increase the expression of Rh-PIP2;1 and Rh-TIP in rose petals, resulting in maintained cell turgor and increased flower diameter of cut flowers. These results recommend that a non-exposed harvest can be used for the harvest s tage to improve the postharvest quality of cut flowers. Understanding the relationship between air exposure time and water relations of cut flowers will significantly help in developing distribution systems for assuring cut roses quality.
        4,200원
        4.
        2019.12 KCI 등재 구독 인증기관 무료, 개인회원 유료
        In the Fourth Industrial Revolution, digitally effective automatic tools in agriculture are being devised to produce food quickly. Therefore, it is essential to develop a deep understanding of digital technology and its features for the consideration of new relationships, arranged skills, and cultural economics to attain the best value for the consumption of agricultural products. Farmers play a crucial role in replacing traditional agricultural methods with new technologies in their fields. Experienced farmers can draw on the Internet of Things (IoT) to benefit from smart technologies, such as gateway data stores in light, humid, and pH sensors, and improve all sensor data daily in big sectors starting from their smart farms. This report focuses on the relationship between smart farms and IoT with new network knowledge and smart devices to benefit agriculture. This report hopes to support the farmers who intend to draw on the most recent advances in IoT-based smart farming against the backdrop of evolving sensors, tackling current
        4,900원
        5.
        2019.09 KCI 등재 구독 인증기관 무료, 개인회원 유료
        We examined the efficacy of various pretreatment solutions on the postharvest longevity and quality of ‘Hessa’ cut spray roses (Rosa hybrida L.) to develop an inexpensive and innocuous preservative solution for the cut flower industry. Cut flowers were pretreated with 4 preservatives for 10 hours: Scutellaria baicalensis Georgi extract (SC) at 300 μL·L-1, hydrosol (H), S. baicalensis Georgi extract 300 μL·L-1 + sucrose 1% (SC + Suc), and H + sucrose 1% (H + Suc). The results showed that pretreatment with all the solutions except H + Suc improved the postharvest longevity and extended the longevity of cut rose flowers. We found that 300 μL·L-1 of SC was the most effective preservative, which significantly prolonged the postharvest longevity in cut flowers from 9.7 days (control) to 14.1 days. The beneficial effects of 300 μL·L-1 SC pretreatment were associated with inhibition of bacterial accumulation at the basal portion of cut stems, enhanced water uptake, improved fresh weight, and a positive water balance. SC also effectively maintained chlorophyll fluorescence ratios in the leaves and reduced water stress in cut roses. The results demonstrate the potential of SC as an alternative preservative in the cut rose flower industry.
        4,000원