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1. 毕业设计（论文）的内容、要求、设计方案、规划等

2016年南京林业大学果树教学科研基地引进培育了4个盆景桃新优品种。

经过连续两年的试验观察，4个品种在南京均表现出了良好的适应性并顺利挂果。

不同品种的果实成熟期、 果实形状和颜色均不相同，枝、叶等也存在一定的外观差异。

2. 参考文献（不低于12篇）

[1]qianqian li,yueming hu,feixiang chen, et. al.. environmental controls on cultivated soybean phenotypic traits across china[j]. agriculture, ecosystems and environment,2014,192(3):12-18.

[2]yuling yin,gina borges,masaaki sakuta, et. al.. effect of phosphate deficiency on the content and biosynthesis of anthocyanins and the expression of related genes in suspension-cultured grape ( vitis sp.) cells[j]. plant physiology and biochemistry,2012,55:77-84.

[3]tomkins joseph l,kotiaho janne s,lebas natasha r. phenotypic plasticity in the developmental integration of morphological trade-offs and secondary sexual trait compensation.[j]. proceedings of the royal society b-biological sciences, 2005, 272(1562):543-551.