Pruning Practices for Oak Wilt Prevention

Those of you who have heard the adage “February through June DO NOT PRUNE” probably know that it is in reference to the spread of Oak Wilt in  relation to the timing of pruning of susceptible trees. With Oak Wilt appearing in so many locations in Central Texas, it is safer to complete pruning by February 1st, before the temperatures become milder and the Nitidulid Beetle begins to become active after the winter. This beetle is responsible for transmitting the Oak Wilt Fungus from fungal mats on Red Oaks to [...]

By |2019-12-31T11:01:54-06:00December 31st, 2019|Disease, Trees|

Citrus Troubleshooting: Common Problems

Nutrient deficiency: Iron deficiency is common in areas with calcareous soils and alkaline water. The iron may be present in the soil, but it is in a form that is unavailable to the plant when grown in alkaline conditions. Deficiency occurs on young leaves, and the veins remain green while the rest of the leaf is yellow. This condition can cause dieback of limbs and small fruit. Iron deficiency is also associated with excessively wet soils or prolonged wet conditions, as this depletes the root system and uptake of nutrients [...]

By |2019-12-09T09:38:17-06:00November 5th, 2019|Disease, Fruit & Nuts, Insects, Trees|

Rose Rosette Disease

Rose Rosette Disease was first identified in wild roses in the 1940’s in California, the Rocky Mountains, and Manitoba, Canada. In 1990 the disease appeared in East Texas, and by the mid-1990’s infected plants were located in the Dallas-Fort Worth area. In 2015, the Fort Worth Botanic garden replaced all their roses due to infection by the Rose Rosette virus. Rose Rosette Disease is a lethal disease of roses, and has been determined to be caused by a virus. It has no known treatment or cure. The disease is spread [...]

By |2019-04-03T17:01:54-05:00April 3rd, 2019|Disease|

Using Oil Products to Control Insects and Disease

We now have available to us a wide range of oil products to use as alternatives to synthetic insecticides and fungicides. These include oils distilled from petroleum and oils extracted from plants and animals. Petroleum oils (including mineral oils) are highly refined, paraffinic oils that are often referred to as horticultural spray, summer oil, spray oil or white mineral oil. We recommend Bonide “All Seasons Spray Oil” for late winter insect and disease control. (The antiquated term “dormant oil” referred to the heavier, less refined oils produced in the past [...]

By |2019-02-13T10:42:05-06:00February 13th, 2019|Disease, Insects|