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題 名 | 紅龍果採後真菌相調查與車前子煎汁液處理效果=Investigation of Fungi on Postharvested of Pitaya and Control Effect of Plantago asiatica Extract |
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作 者 | 葉士財; 謝慶昌; | 書刊名 | 臺中區農業改良場研究彙報 |
卷 期 | 134 2017.03[民106.03] |
頁 次 | 頁53-67 |
分類號 | 435.39 |
關鍵詞 | 紅龍果採後病害; 分子輔助鑑定; 溫度; 車前子煎汁液; Pitaya fruit rot; Molecular identification; Temperature; Plantago asiatica extract; |
語 文 | 中文(Chinese) |
中文摘要 | 利用真菌ITS序列進行分子輔助鑑定紅龍果之採後真菌種類,將PCR反應後產生之產物委託源資生物技術公司解序,將其結果上傳於NCBI基因庫中比對,分析發現有Bipolaris cactivora、Colletotrichum gloeosporioides、Fusarium oxysporum、Fusarium sp.、Fusarium dimerum、Aspergillus sp.、Alternaria alternata、Alternaria carthami、Dothideomycetes sp.、Diaporthe endophytica及Cladosporium sp.等11種。以車前子煎汁液稀釋20倍處理市售白肉紅龍果後,為調查處理後貯藏期間的罹病度,將果實在10℃、15℃、20℃、25℃及30℃等5個溫度貯藏21天,於10℃處理組比對照無處理,可延遲8天發病,其次分別為15℃(延遲4天發病)、20℃及25℃(延遲2天發病),如置於30℃,可延遲1天發病。因此以10℃貯藏效果最佳,第19天開始發病,對照組則早在第11天發病,貯藏至21天,處理組罹病度在25%,對照組罹病度在55%,同上試驗處理市售紅肉紅龍果,將果實於10℃貯藏14天,處理組比對照組,可延遲7天發病,其次分別為15℃(延遲6天發病)、20℃(延遲2天發病)、25℃(延遲1天發病),置於30℃與對照無顯著性差異,貯藏至14天,處理組罹病度在6.3%,對照組罹病度在18.8%。因此,兩種紅龍果之病害隨溫度升高,貯藏之罹病度也隨之升高,且壽命變短。 |
英文摘要 | The experiment was using ITS sequences to identify pitaya postharvested associated fungi. The result showed that Bipolaris cactivora, Colletotrichum gloeosporioide, Fusarium oxysporum, Fusarium sp., Fusarium dimerum, Aspergillus sp., Alternaria alternata, Alternaria carthami, Dothideo mycetes sp., Diaporthe endophytica and Cladosporium sp. were found during postharvest. White pitaya fruits which were bought from market were treated with 20X dilution of Plantago asiatica extract, and then stored for 21 days under 10℃, 15℃, 20℃, 25℃ and 30℃. The occurrence of fruit rot on treated fruits stored at 10℃ was delayed eight days, 15℃ (delayed four days), 20℃ and 25℃ (delayed two days) and 30℃only delayed one day. The occurrence of fruit rot on treated fruits 10℃ initiated at the day 19 and untreated fruits started at the day 11. At the day 22, the Plantago asiatica extract treatment only had 21% disease incidence while the untreated treatment had about 55%. The similar results also found in red pitaya fruits , the occurrence of fruit rot on treated fruits stored at 10℃ for 14 days delayed seven days, 15 ℃ (delayed six days), 20℃ (delayed two days), 25℃ (delayed one days) and 30℃ showed no significant different with untreated fruits. In addition, the disease incidence of treated fruits after stored at 10℃ for 14 days was 6.3% while disease incidence of fruits without treat with Plantago asiatica extract was about 18.8%. In conclusion, the disease incidence of pitaya fruits in both cultivars will increase along with the increasing of storage temperature, which would shorten their shelf-life of pitaya fruits. |
本系統中英文摘要資訊取自各篇刊載內容。