| 摘要 |
<p>Disclosed is a device for depositing fluid-suspended plant embryos while maintaining the orientation of the embryo comprising: i) a flow channel dimensioned such that the embryos may travel with fluid flowing through the channel but are restricted to travelling either in a crown-first or crown-last orientation by dimensional constraints, said flow channel emanating to an outlet (365); ii) an embryo receiver (340); and iii) means of forming a free jet (370) of fluid emanating from the outlet, wherein the free jet during operation is aligned with an embryo receiver (340) thus allowing embryos suspended in the fluid to be deposited in the embryo receiver (340); wherein the means of forming a free jet comprise a flow channel section immediately upstream of the outlet (365) having a straight section (370) with length at least equal to the largest cross-sectional inside dimension of the flow channel.</p> |
