CAJ | 학술논문

以设施油桃中油5号为试材，研究了不同钙素水平（0、2、4、6、8、10 mmol/L ）对设施油桃新梢长度及叶片光合作用的影响。结果表明：随施钙水平的提高，设施油桃新梢长度，叶片叶绿素a、叶绿素b、叶绿素a＋b、叶绿素a/b、净光合速率、蒸腾速率、气孔导度、胞间CO2浓度均表现为先升高后降低，并且均在 Ca2＋8 mmol/L 时达到最大值，与不施钙处理相比差异达显著水平（ P＜0.05）。不同水平的施钙处理均能显著促进设施油桃新梢生长，改善叶片的光合作用。
이설시유도중유5호위시재，연구료불동개소수평（0、2、4、6、8、10 mmol/L ）대설시유도신소장도급협편광합작용적영향。결과표명：수시개수평적제고，설시유도신소장도，협편협록소a、협록소b、협록소a＋b、협록소a/b、정광합속솔、증등속솔、기공도도、포간CO2농도균표현위선승고후강저，병차균재 Ca2＋8 mmol/L 시체도최대치，여불시개처리상비차이체현저수평（ P＜0.05）。불동수평적시개처리균능현저촉진설시유도신소생장，개선협편적광합작용。
The effects of different calcium levels on new shoots and leaf photosynthesis of nectarine under protected cultivation were studied by using 3-year-old nectarine( Prunus persica var . nectariana cv .Zhongyou 5) .The results showed that the different levels of calcium significantly improved the length of new shoots and leaf photosynthesis .The length of new shoots ,the chlorophyll contents ,net photosynthetic rate(Pn) ,stomatal conductance(Gs) ,transpiration rate (Tr) , and intercellular CO2 concentration(Ci) all increased firstly and then decreased with the increasing of calcium levels .These indices reached maximum at 8 mmol/L ,which had significant differences ( P<0.05) compared with calcium-free treatment .