| In order to alleviate the slow updating of jujube varieties in arid area of central part of Ningxia,enrich the local jujube varieties and promoting the development of jujube industry.Taking 4 years-old of six varieties of jujube as experimental materials.Observating main phenophas,growth character,fundamentals of photosynthetic properties,fruit quality,yield traits,of six jujubevarieties,the results showed as follows:1?The sprout time of Six varieties jujube are distributed in different periods of the April,"goutou"sprout first,followed by "hami" jujube,"tongxin" is the latest one;the leaf expansion is concentrated in the late April to the beginning of May;before flowering in mid-late may,"tongxin" is the first one;late flowering in mid-late june to early july;fruiting period in late june to early june;fruit concentrated maturity in early middly september,"goutou" and "tongxin" mature earlier,"junzao" and "xiaokouzao"late maturing.2?"Jinchangyihao" and "xiaokouzao" jujube have shorter growth period;"junzao","tongxin","hami",have medium growth period;"goutou"is the longest one.3?The largest single fruit weight is "Jinchangyihao",can reach 24.31 g;"goutou" is the lightest one,only 10.16 g,but it can put most by single acres,the production of "tongxin" is moderate,"xiaokou"is the least one.4?In this experiment,37 kinds of indices of six jujube varieties in arid area of central part of Ningxia were determined by using conventional method,principal component factors were selected and achieved indices were analyzed.The results showed that the former three principal component factors could reflect the most information of original samples,whose cumulative contribution of variance accounted to 88.97%,and the indices comprehensive scores of jujube varieties were obtained.The comprehensive score of "jinchangyihao" was highest than other jujube varieties,the second jujube variety was "junzao",the variety of lowest comprehensive score was "xiaokouzao". |
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