Evaluation of Physiochemical Changes of Asian Pear Cultivars During Winter Season
2014
Shezod, R., National Agrobiodiveristy Center, NAAS, RDA, Jeonju, Republic of Korea | Kang, S.S., Pear Research Station, NIHHS, RDA, Naju, Repbulic of Korea | Kim, Y.K., Pear Research Station, NIHHS, RDA, Naju, Repbulic of Korea | Baek, H.J., National Agrobiodiveristy Center, NAAS, RDA, Jeonju, Republic of Korea
This study was conducted to evaluate the physicochemical changes of Asian pear cultivars ¡®Niitaka¡¯ and ¡®Chuwhangbae¡¯ during the winter of 2012 and 2013. Cultivar ¡®Chuwhangbae¡¯ distinguished with high water deficit and water content in shoots as compared with cv. ¡®Niitaka¡¯. However, water content of ¡®Chuwhangbae¡¯ was higher in buds than ¡®Niitaka¡¯. Chemical content in shoots and buds were varied during the winter season. Mineral compositions were higher in buds than in shoots, also values insignificantly varied and showed stable compared to shoots in both cultivars. During cold period in shoots of both cultivars significantly increased of glucose and fructose. Therefore, response of plants and the transition into the new level under action of the minus celsius degrees should be held equally at the all levels of the metabolism depending on the phase of development. All processes are interrelated and the backlog of any of them is the reason that leads to violation of conjugation between them, the accumulation of the metabolic products that reduce the stability of the entire system.
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