Deciduous broad-leaved trees showed great self-fertilization capacity owing to plenty of litter under than and its rapid decomposition rate.
落叶阔叶树种由于凋落物丰富、分解速率快，而具有显著的自肥能力；
Inbreeding depression is the decrease of offspring fitness after inbreeding and is one of the primary forces selecting against the evolution of self-fertilization.
近交衰退指近交个体的适合度相对下降的现象，它是近亲繁殖的主要障碍。
Therefore, it should be emphasized to enhance the self - fertilization capability of forest by adjusting the species composition and increasing the proportion of native broad - leaved species.
因此，应重视通过调整物种组成，增加阔叶树种比例以增强森林的自肥能力。
Conclusion Self-mitochondria transfer can improve embryos' quality and pregnancy rate without influence on fertilization rate.
结论自体颗粒细胞线粒体移植可明显改善胚胎发育质量，提高妊娠率。
Conclusion Self-mitochondria transfer can improve embryos' quality and pregnancy rate without influence on fertilization rate.
结论自体颗粒细胞线粒体移植可明显改善胚胎发育质量，提高妊娠率。
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