Weed Photo Gallery
The UC IPM Weed Photo Gallery includes many, but not all, weed species commonly found in California farms and landscapes. Additional species will be added over time. Acknowledgments ... [... more]
University of California IPM |
Peach
2004 Fungicide Efficacy and Timing for Deciduous Tree Fruit and Nut Crops and Grapevines (PDF* 272K) ... [... more]
University of California IPM |
Phytophthora Root And Crown Rot
Symptom expression depends upon how much of the root or crown tissues are affected and how quickly they are destroyed. Generally, crown rots advance rapidly and trees collapse and die soon after the first warm ... [... more]
University of California IPM |
Omnivorous Leafroller
Begin monitoring by placing pheromone monitoring traps in the orchard by mid-February in the San Joaquin Valley to establish the biofix for the first flight; biofix is the first night moths are consistently caught in ... [... more]
University of California IPM |
Ripe Fruit Rot
Ripe fruit rot caused by Monilinia or Botrytis results in firm, circular spots that spread rapidly over fruit. Monilinia causes dark brown lesions on fruit that eventually turn black from the development of ... [... more]
University of California IPM |
Brown Mite
Determine the relative number of mite eggs present on branches or prunings during the dormant season. Use dormant sprays with oils at the high rate to help control the overwintering eggs. An insecticide can be added ... [... more]
University of California IPM |
Crown Gall
Preplant treatment is for prevention only. Galltrol is a preparation of the biological control agent Agrobacterium tumefaciens-84. It is used as a root dip before heeling in or planting. It does not eradicate ... [... more]
University of California IPM |
General Properties Of Fungicides Used In Peaches
sulfur inorganic contact multi-site low highly toxic to native strains of western predatory mite (Galendromus occidentalis) ... [... more]
University of California IPM |
Peach Leaf Curl
Leaves produced in spring are thickened, curled, and colored red or yellow instead of normal green. Severely affected shoots die. Irregular, reddish lesions are sometimes seen on fruit. Badly diseased leaves fall by ... [... more]
University of California IPM |
Relative Toxicities Of Insecticides And Miticides Used ...
5 Ratings are as follows: I = Do not apply to blooming plants; II = Apply in evening after bees have stopped foraging; III = Apply in late evening after bees have stopped foraging until early morning before they ... [... more]
University of California IPM |
Peachtree Borer
COMMENTS: Apply with a hand spray gun to tree trunk from juncture of main scaffold limbs to soil line. Cover trunk thoroughly using enough liquid so it runs off to form a small puddle at base of tree. Two treatments ... [... more]
University of California IPM |
Bacterial Canker
Problems with bacterial canker can be minimized at planting by carefully selecting the planting site, choosing the least susceptible rootstocks, and following recommended cultural practices regarding pruning and ... [... more]
University of California IPM |
