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Baogang Wang
Beijing Academy of Forestry and Pomology Sciences, Beijing Academy of Agriculture and Forestry Sciences, National R & D Center for Fruit Processing, Beijing 100093, China

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Journal article
Published: 26 November 2020 in Horticulturae
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Irradiation is becoming a more accepted phytosanitary market access treatment for some international horticultural trades. However, there is little information on the effects of phytosanitary irradiation treatment on persimmon fruit quality. ‘Jiro’ persimmon fruit were treated with an average of 769 Gray (Gy) at a commercial phytosanitary irradiation X-ray facility to examine the effect of this market access treatment on fruit quality during storage. After treatment, fruit were stored in air at 15 °C for up to three weeks. The results showed that, in general, there was no effect of irradiation treatment on fruit weight loss, calyx appearance, fruit firmness (objective and subjective), total soluble solids (TSS), titratable acidity (TA), internal appearance, and ethylene production rate. There were some treatment differences in fruit respiration rates and some aspects of fruit appearance and colour, where irradiated fruit had higher respiration rates and were slightly darker with higher levels of skin blemish, although these measured differences were not commercially significant. This study showed the promise of using low dose irradiation as a phytosanitary treatment for ‘Jiro’ persimmons, but more work is required to test other persimmon cultivars and other storage and marketing environments.

ACS Style

John Golding; Penta Pristijono; Baogang Wang. Effect of Phytosanitary Irradiation Treatment on the Storage Life of ‘Jiro’ Persimmons at 15 °C. Horticulturae 2020, 6, 92 .

AMA Style

John Golding, Penta Pristijono, Baogang Wang. Effect of Phytosanitary Irradiation Treatment on the Storage Life of ‘Jiro’ Persimmons at 15 °C. Horticulturae. 2020; 6 (4):92.

Chicago/Turabian Style

John Golding; Penta Pristijono; Baogang Wang. 2020. "Effect of Phytosanitary Irradiation Treatment on the Storage Life of ‘Jiro’ Persimmons at 15 °C." Horticulturae 6, no. 4: 92.

Research article
Published: 15 October 2020 in Journal of the Science of Food and Agriculture
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Backgroud A common lenticel disorder which occurs in the peel of ‘Xinli No. 7’ pears (Pyrus bretschneideri Rehd.) had not previously been described. Symptoms of this lenticel disorder include enlarging and bulging of the lenticels which results in significant commercial losses. Understanding the physiological basis of lenticel disorder and developing practical methods to control it is crucial for the successful marketing of this pear. Results The development of this lenticel disorder was found to be closely related to the endogenous ethylene production during storage. 1‐Methylcyclopropene (1‐MCP) combined with an ethylene absorbent (EA) treatment was found to significantly reduce the development of the disorder by inhibiting the expression of ethylene related genes, PbACS1, PbACS2 and PbACO. It is proposed that the enlarged lenticels may result from increased lignin accumulation in the peel cells, which is inhibited by this combined postharvest treatment. It was shown that the expression of six lignin related genes decreased following the treatment. The results suggest that PbPAL, Pb4CL and PbCAD could be the critical in regulating the development of this lenticel disorder. Conclusion Endogenous ethylene plays a key role in the development of this lenticel disorder in ‘Xinli No. 7’ pear. The enlarged lenticels which is characteristic of this disorder maybe related to increased lignin accumulation in the peel cells, which were inhibited with 1‐MCP combined with an EA treatment. These results provide a practical method for managing the development of lenticel disorder in ‘Xinli No. 7’ pear and helps clarify the developmental mechanisms of this disorder. This article is protected by copyright. All rights reserved.

ACS Style

Baogang Wang; Yunxiang Wang; Wensheng Li; Jiahua Zhou; Hong Chang; John B Golding. Effect of 1‐MCP and ethylene absorbent on the development of lenticel disorder of ‘Xinli No.7’ pear and possible mechanisms. Journal of the Science of Food and Agriculture 2020, 101, 2525 -2533.

AMA Style

Baogang Wang, Yunxiang Wang, Wensheng Li, Jiahua Zhou, Hong Chang, John B Golding. Effect of 1‐MCP and ethylene absorbent on the development of lenticel disorder of ‘Xinli No.7’ pear and possible mechanisms. Journal of the Science of Food and Agriculture. 2020; 101 (6):2525-2533.

Chicago/Turabian Style

Baogang Wang; Yunxiang Wang; Wensheng Li; Jiahua Zhou; Hong Chang; John B Golding. 2020. "Effect of 1‐MCP and ethylene absorbent on the development of lenticel disorder of ‘Xinli No.7’ pear and possible mechanisms." Journal of the Science of Food and Agriculture 101, no. 6: 2525-2533.

Journal article
Published: 13 January 2020 in Genomics
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Strawberry fruit ripening is a complex process affected by multiple factors at different regulation levels. To elucidate the regulation mechanisms, the combined analysis of sRNAome and transcriptome were used. A total of 124 known and 190 novel miRNAs were found, 62 of them were significantly differentially expressed (DE). The targets of the DE miRNAs were parsed and several TFs, such as SPL, ARF, WRKY, and TCP, were found to be involved in ripening. Elevated CO2 can significantly postpone ripening and miR156, miR166f, miR171a, and miR171d were the DE miRNAs. Transcriptome analysis found 313 DE genes related to fruit ripening, including cell wall metabolism-related genes, color-related genes, ethylene-related genes, and genes encoding TFs such as MYB, SPL, NAC, TCP, and ARF. Based on above, a combined regulatory model involved in fruit ripening was created. These results provide valuable information for understanding the complicated coordinated regulatory network of strawberry fruit ripening.

ACS Style

Yunxiang Wang; Wensheng Li; Hong Chang; Jiahua Zhou; Yunbo Luo; Kaichun Zhang; Jinhua Zuo; Baogang Wang. SRNAome and transcriptome analysis provide insight into strawberry fruit ripening. Genomics 2020, 112, 2369 -2378.

AMA Style

Yunxiang Wang, Wensheng Li, Hong Chang, Jiahua Zhou, Yunbo Luo, Kaichun Zhang, Jinhua Zuo, Baogang Wang. SRNAome and transcriptome analysis provide insight into strawberry fruit ripening. Genomics. 2020; 112 (3):2369-2378.

Chicago/Turabian Style

Yunxiang Wang; Wensheng Li; Hong Chang; Jiahua Zhou; Yunbo Luo; Kaichun Zhang; Jinhua Zuo; Baogang Wang. 2020. "SRNAome and transcriptome analysis provide insight into strawberry fruit ripening." Genomics 112, no. 3: 2369-2378.