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- 저자 : Salma Jamalian (검색결과 1 건)
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Salma Jamalian,Ali Tehranifar,Enayatollah Tafazoli,Saeid Eshghi,Gholam Hossein Davarynejad 한국원예학회 2008 Horticulture, Environment, and Biotechnology Vol.49 No.1
Strawberry plants (Fragaria × ananassa Duch.) are very susceptible to salinity. In order to investigate the interaction effects of paclobutrazol (PP333) and salinity on flowering, yield and fruit quality of strawberry plants, three levels of NaCl (0, 5, 10 mM) were incorporated into the nutrient solution and four levels of PP333 [0, 10, 20, 30 ㎎·L¹] were sprayed. PP333 application caused reduction in inflorescence length, but increased inflorescence and flower number. Salinity reduced number of achenes per fruit. However 10 ㎎·L<SUP>-1</SUP> of PP333 ameliorated the diverse effect of salinity at 10 mM NaCl salinity and increased significantly the number of achenes per fruit. Interaction of 20 and 30 ㎎·L<SUP>-1</SUP> PP333 with 5 mM NaCl, showed increase in yield in comparison with 0 and 10 ㎎·L<SUP>-1</SUP> PP333 at the same salinity level. Total soluble solids (TSS) were increased at 30 ㎎·L-1 PP333 in combination with 5 and 10 mM NaCl. also increased by this level of PP333. The highest level of PP333 (30 ㎎·L<SUP>-1</SUP>) reduced titratable acidity (TA) on salt treated (5, 10 mM) plants. The ratio of TSS/TA tended to rise by application of PP333. Salinity reduced vitamin C, but 20 ㎎·L<SUP>-1</SUP> of PP333 significantly increased vitamin C in both levels of salinity (5, 10 mM). Therefore from the results of this study, PP333 application is recommended to increase reproductive growth, yield and improve fruit quality in saline condition.
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