Question for Dan Gill: We have a few citrus trees, and all but one are turning yellow and partially dying. Two are navel with a calamondin in the center. One navel orange and a key lime seem to be ...

Mycelial growth of Phytophthora nicotianae var. parasítica in vitro was inhibited by phosphorous and acetyl salicylic acids at 10ppm; mycelial growth of P. citrophthora was inhibited by phosphorous ...

The influence of sprinkler, drip, sip and subirrigation methods on both the degree of feeder root infection (RI) and the inoculum density (ID) of Phytophthora spp. in the rhizosphere of citrus plants ...

I would like your expertise on my Louisiana sweet oranges. Some of the fruit is splitting open. Could you let me know what is wrong? — James Howard This occurs when a citrus tree absorbs water and ...