season spray trees host:plantpathology.tamu.edu

Listing 1 - 7 from 7 for season spray trees

Fruit5
... than encouraging late fall growth which is more easily infected. Prune when trees are fully dormant (January and February). Trees pruned early in the year prior to dormancy can be infected with ... . This results in the bacteria dying. Chemical control during the season is ineffective. Dormant sprays have been somewhat effective, the spray is accurately timed to protect the stem tissue during the fall ...
plantpathology.tamu.edu

Pecan
... the season, the lesions turn brown due to the death of the leaf cells in the disease area. Spores are spread by wind and rain to nearby leaves and neighboring trees. Although ... , North America Return To Top Copper Sulfate - Basicop (2lb/100 gal.) - Interval 2 wk. - Last spray (shuck split) - Signal word WARNING - Contact fungicide - No grazing restrictions - No special equip. req. - Use ...
plantpathology.tamu.edu

Trees 1
... a "shot hole" appearance. Collect and burn fallen leaves. Chemical control usually not necessary. Spray valuable trees as leaves unfurl, when half-grown, and again when full grown. Powdery Mildew (fungus - ... gray powdery mold on both leaf surfaces, usually late in the season on younger leaves. Leaves may be deformed or curled. Spray as needed with a powdery mildew control fungicide. Trunk Rots ...
plantpathology.tamu.edu

Trees part 2
... these rotting bracts are covered with a gray-brown, fuzzy mold that produces powdery spores. Spray early when flower buds start to open. Cotton Root Rot (fungus - Phymatotrichum omnivorum): Dogwood is ... sapwood. Tree defoliation may occur rapidly or take place over an entire season. Likewise infected trees may die in a single season or live for several years. The disease is spread by elm ...
plantpathology.tamu.edu

Trees Part 4
... be serious on young trees but has less effect on older trees. Summer Scorch (physiological): Leaves on affected trees have chlorotic margins. ... ,and papery texture are diagnostic characteristics. Late in the growing season dark pustules, formed by the fungus, can be seen ... the diseased foliage, remove all dead twigs from the tree, and spray with a copper fungicide. Make first application when leaves ...
plantpathology.tamu.edu

Trees Part 5
... ): Several fungi cause disease of minor importance that can be controlled by the spray schedule suggested for control of anthracnose. Phloeospora multimaculans:known mainly in Texas. Irregular, ... heavy defoliation of young trees. Powdery Mildew (fungi - Phyllactinia guttata and Uncinula salicis): White powdery growth on leaf surfaces may become heavy late in the season, especially on tender ...
plantpathology.tamu.edu

Multicrop Problems 2
... or defoliation, but unless some serious mistake has been made, spray or dust injury is not an important consideration. Pesticides in ... and apricots. Zinc Sulfate: This causes severe defoliation of fruit trees and should not be included in fruit sprays. Sulfur: Frequent ... ammonia. Apply the ammonia to Plant sorghum or corn next season. After sorghum or small grain harvest, immediately prepare land for ...
plantpathology.tamu.edu