Leaf area measurement spinach, chlorophyll of spinach, Spinacia oleracea bush

Petiole in action: leaf surface area measurement & estimation of level of chlorophyll in spinach (Spinacia oleracea) leaves

Today we had experimented with Spinach (Spinacia oleracea).
Using Petiole mobile app we measured 8 spinach leaves and received the following results:

  • Estimated time of measurement: 2 minutes 43 seconds
  • Total spinach leaves area: 162,5 cm2
  • Average dark green index: 0,452

You can download Petiole app for your Android phone here.

PS: Want to increase sales? Cartoon hero Popeye, the Sailorman says: “Easy peasy japanesey!”.
In the 1930’s U.S. spinach growers credited Popeye with a 33% increase in domestic spinach consumption – a welcome boost to an industry during the depression era. The spinach growing town of Crystal City, Texas, even erected a statue of Popeye in 1937.