Topics in Subtropics

There is culture in agriculture. Mary Lu Arpaia says she spent hours looking at the avocado pictures, along with those of other fruit crops.

Why are avocado roots coarse, but dense, while grass roots are a fine mat? It has long been one of the best kept secrets in the underground world: what determines the variation in form and function of plant roots?

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The rains are gone and the hills are drying. The weeds in the orchards that aren't being hit by the irrigation water are drying up, as well. During winter and early spring, false chinch bug primarily feeds on foliage, stems, and seeds of wild grasses and cruciferous weeds.

Argentine Ant Management in Citrus (July 8, 2020) Dr. Mark Hoddle will talk about how to monitor and manage Argentine ant in citrus orchards with liquid baiting systems and discuss why ant management has such strong benefits for the suppression of sap-sucking pests by natural enemies.