Topics in Subtropics

UC Agriculture and Natural Resources scientists based at UC Riverside are honing in on odors that might lure Asian citrus psyllids into traps, and other odors that will keep them away from citrus trees, reported Mark Muckenfuss in the Riverside Press-Enterprise.

Edema may be caused by any agent that stimulates an abnormal increase in the size and number of a group of inner cells.

Impacts of the recent drought conditions on Central Coast avocado production, and potential impacts of continued drought conditions Avocados are the most salt and drought sensitive of our fruit tree crops.

I was recently in an avocado orchard and saw the rounded fruit and small leaves typical of zinc deficient trees. I asked the grower if there were recent leaf analysis of the orchard, and so we looked at them. The leaves were running at 20 ppm which is low. Sufficiency runs at 50 ppm.

By way of the San Francisco Chronicle Hopes of an almighty El Nio bringing rain to a drought-stricken California - with its fallow fields, depleted streams and parched lawns - were further dashed Thursday.