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System for selecting plants from among a population of plants

  • US 10,412,901 B2
  • Filed: 11/01/2009
  • Issued: 09/17/2019
  • Est. Priority Date: 10/30/2008
  • Status: Active Grant
First Claim
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1. A system for identifying one or more plants in a population of two or more plants in an environment, comprising:

  • (a) two or more monitoring units, each plant being simultaneously monitored, before and after an environmental change, as a whole plant, by a monitoring unit, each monitoring unit comprising;

    (i) a pot for holding a plant from the population;

    (ii) a container configured to contain water and to receive said potted plant, said container being covered with a cover to reduce or prevent evaporation of water out of said container, wherein a stem of the plant passes through said cover; and

    (iii) one or more sensors configured to sense a weight of the whole plant and to transmit one or more time dependent signals indicative of values of said weight;

    (b) a display device; and

    (c) a processor configured to;

    (i) receive the time dependent weight signals from the monitoring units, and to process the signals to calculate, based on said signals, a cumulative weight gain and one or both of a momentary transpiration rate or a rate of change of the momentary transpiration rate of each plant, for each time interval of one or more time intervals, and also to calculate a cumulative transpiration over a time period, based on said momentary transpiration rate or said rate of change of said momentary transpiration;

    (ii) rank the plants in the population based on both said cumulative weight gain and said cumulative transpiration for at least one time interval before said environmental change and for at least one time interval after said environmental change;

    (iii) identifying plants in the population according to said ranking; and

    (iv) displaying on said display device identifiers of the identified plants.

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