achene

Examples

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• Second, the downward-facing heads of sunflower plants prevent a repellent from reaching the achenes through aerial application, the preferred method of crop treatment.

  Academic text (2011)

• Birds can easily access sunflower achenes by perching on the head.

  Academic text (2011)

• Once we have a count of achenes for each head, we select a random sample for weighing.

  Blog text (21)

• Here is Aldo, using the computer to count achenes from a scanned image:

  Blog text (21)

• Here is Char, randomizing achenes based on a numbered grid:

  Blog text (21)

• Since I arrived, the two major tasks for the volunteers have been counting, randomizing, and weighing achenes from heads collected in 2011.

  Blog text (21)

• This equipment should enable pesticide applicators to achieve better coverage of the achenes than is possible with low-volume aerial applications (Mullally 2010).

  Academic text (2011)

• Moreover, the captures occurred after the crop had reached physiological maturity and after the achenes had become less palatable, and so the risk for substantial damage had subsided.

  Academic text (2011)

• Blackbird damage begins after the ray petals drop from the ripening sunflower heads in late August, and the peripheral rows of achenes begin to develop (Figure 2).

  Academic text (2011)

• The sunflower produces numerous achenes that are small and dry, each containing a seed.

Surface Forms

Etymology