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对杂交柚果实纵、横径进行定期田间测定,计算其相应的果实体积,绘制出果实纵、横径及体积的年变化速度曲线,研究其果实生长发育的年变化规律。结果表明,杂交柚果实纵、横径和体积在生长过程中均出现三次生长高峰,第一次生长高峰纵、横径比体积早到10天,纵、横径的生长主要集中于这次高峰;第二、三次生长高峰,纵、横径和体积均同时到达,但纵、横径生长量较小;三次生长高峰对果实体积的影响均较大。
The vertical and horizontal diameter of hybrid pomelo fruit were measured in a regular field and the corresponding fruit volume was calculated. The annual variation speed curve of fruit length, diameter and volume was plotted, and the annual variation rule of its fruit growth and development was studied. The results showed that there were three growth peaks in the length, width and volume of the hybrid grapefruit during the growth. The height of the first growth peak was 10 days earlier than the volume, and the growth of the vertical and horizontal diameter mainly focused on this peak The second and third growth peak, the vertical and horizontal diameter and volume all reach at the same time, but the growth of the vertical and horizontal diameter is small. The effect of the three growth peak on the fruit volume is larger.