野生毛樱桃生长期矿质营养含量变化与果实生长的关系

研究了野生毛樱桃生长期果实生长与叶果中7种矿质营养元素(Cu，Zn，Fe，Mn．Ca，Mg，K)的含量变化及其相关关系。结果表明，果实中Cu，Zn，Fe，Mn，Ca，Mg元素含量与果实生长呈负相关，其中Zn，Mg元素达显著水平；叶片中Cu，Zn，Fe，Mn，K元素含量与果实生长呈负相关，其中K元素达显著水平．叶片中Ca，Mg元素与果实生长呈正相关，其中Ca元素达显著水平。果实中各营养元素(除K外)生长期变化相互间均达极显著正相关。叶片中Ca与Mg元素呈极显著正相关；Zn，K均与Ca，Mg元素呈极显著负相关；Cu与Ca元素呈显著负相关；K与Zn，Cu元素呈显著正相关；Zn与Cu,Mn元素均呈显著正相关。叶片和果实中矿质营养元素间相关性均不显著。

The Correlation Between Mineral Elements Contents and the Fruit Growth of Prunus tomentosa Thunb During Growth Period

A study of the variations of 7 kinds of mineral elements contents(Cu,Zn,Fe,Mn,Ca,Mg,K) in leaf and fruits during the period of fruit growth and their correlation to the fruit growth.Theresults showed that the correlation of Cu,Zn,Fe,Mn,Ca and Mg contents in the fruit studied werenegative with regard to fruit growth, with only Zn and Mg, among these elements, beingremarkable.The contents of Cu,Zn,Fe,Mn and K in the leaf showed a negative correlation to the fruitgrowth,while the effect of K was remarkable.However,Ca and Mg in the leaf were positive to thefruit growth,and the effect of Ca was particularly notable.The correlations among all nutrient elementcontents for annual variations in fruit growth (except,that is,for the above) were extremely positive;and in the leaf,the correlation of Ca to Mg was also extremely positive;but K and Zn to Ca and Mgwere extremely negative;while Cu to Ca was remarkable in its negative effect,K to Zn and Cu, and Znto Cu and Mn were remarkable for their positive effects.The correlation between mineral elements inleaf and fruit was not remarkable overall.