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자료유형
학술저널
저자정보
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한국원예학회 HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY Vol.50 No.2
발행연도
2009.4
수록면
94 - 99 (6page)

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Almond is one of the drought resistant species suitable for growing in the dry lands of Iran. To evaluate the response of seedlings and cuttings of peach-almond hybrid (GF677) to different irrigation regimes, an experiment was conducted under greenhouse conditions in 2007. The stratified kernels and uniform rooted cuttings were planted in 20-L pots. After determination of field capacity (FC) of pot soils, irrigation treatments were imposed by daily irrigation to FC level or irrigation to FC at intervals 2, 4, or 8 days for 96 days. Stem water potential (SWP), relative water content (RWC), stomatal conductance, transpiration rate, photosynthetic rate, sub-stomatal CO₂, and water use efficiency were determined at 32 day intervals during the experimental period. Results showed that SWP at the three measurement times was lower in seedlings under 8 day irrigation intervals (-2.14 ㎫) than in the cuttings (-1.95 ㎫). The reduction of RWC throughout the experimental period was higher for seedlings (7.1%) than cuttings (5.1%). Therefore, cuttings of GF677, through better control of stomata, decreased transpiration, increased water use efficiency and appear to be more drought-resistant than their seedling counterparts.

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Abstract
Introduction
Materials and Methods
Results
Discussion
Acknowledgement
Literature Cited

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