Thursday, October 17, 2019

Orderly and planned death...senescence

Leaves and orderly senescence...or not

Photo of grapevines with yellowing leaves ... 
Photo of vines with dead leaves at Los Lunas ASC,
October 15, 2019
Recently I posted about leaf senescence. In the photo above, taken at the Santa Ana vineyard north of Bernalillo, NM in 2018. One can see senescence in action with yellowing over time. This was not the case this year...vines were hit with a killing frost on October 9-11, 2019 (see photos below and to the right). 


Photo of vines at Santa Ana Vineyard, October 14, 2019

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