金光杏梅果实生长发育规律研究

研究结果表明,金光杏梅果实,生长发育动态呈“慢—快—慢—快—慢”的“3S”形曲线,整个发育过程可分为5个时期:即幼果缓慢生长期,果实第1次迅速生长期,果实第2次缓慢生长期,果实第2次迅速生长期和果实熟前缓慢生长期。果实第2次缓慢生长期与果实硬核期相吻合,果实第1、2次迅速生长期是果实增长的两个关键时期。果实纵、横、侧径、果肉厚度与果实鲜重、体积变化曲线极为相似,果实纵、横、侧径、果肉厚度与果实鲜重、体积均极显著相关,说明它们是同步增长的。果核的生长发育动态呈“快—慢—停”的近“厂”形曲线,谢花后31d前是迅速生长期;31d后进入缓慢生长期并开始硬化、变色;至59d达到固有大小和颜色,硬化结束;59d后停止生长。

Studies on Growth and Development of Golden Plum

The experimental results indicated that the growth and development of golden plum was about S-shaped curves: slow-fast-slow-fast-slow. The whole growth and development course was divided into five periods: the slow growth period of infant fruit, the first fast growth period of fruit, the second slow growth period of fruit, the second fast growth period of fruit and the third slow growth period of fruit at the beginning of ripening. The second slow growth period of fruit inosculated with the rigidification period of stone, and the first and the second fast growth period of fruit were two pivotal periods for fruit to grow. The variation curves of fresh fruit weight and fruit volume were almost semblable with that of vertical diameter, horizontal diameter, side diameter and pulp thickness of fruit. After relatively analyzed, we found that the relative coefficients among vertical diameter, horizontal diameter, side diameter, thickness of fruit and fresh fruit weight and fruit volume. The growth and development of stone was about T-shaped curves: fast-slow-stopping. Before thirty-one days after golden plum shattered, it was the fast growth period of stone. After that it was the slow growth period of stone, and at the same time, stone started to scleroses and change color. It was fifty-nine days after golden plum shattered that stone attained the inherent size and color.