Pear rust

Uses as fungicide to control scab on apples and pears rusts and powdery mildews on ornamentals black spot on roses ... 

COURSE OF THE DISEASE. The causative organism of pear rust is a fungus which changes host, i.e. it undergoes part of its development on other plants (juniper). 

Russeted appearance of fruit Apples, pears Rust mites... 

Pear rust mite, Epitrimerus pyri, 303 Platynothrus peltifer, 180 Two-spotted spider mite, Tetranychus urticae, 251,303... 

Epitrimerus pyri (pear rust mite) Pome fhiits ... 

Figure 6.28 Visual image of a pear leaf infected by the pear rust Gymnosporangium fuscum (a), the corresponding cluster image created by hierarchical cluster analysis (b).

Uses as fungicide for control of powdery mildews in fruit, vines, and vegetables scab and rust in apples and pears ... 

Pyrimidinamine insecticides contain a pyrimidine and an amine group. Pyrimidifen is an insecticide/acaricide for control of spider and rust mites in apples, pears, vegetables, tea, and citrus. Its oral LD in rats is 148 mg/kg. 

Mildew, scab, rust mites, pear pox mites Preventive against fungi, kills the germinating spores... 

Prunus dulcis var. dulc. See Almond Prunus persica. See Peach Prunus salicina. See Plum, Japanese Pseudococcidae. See Mealybugs Pseudomonas blight, pear and, 170 Pseudomonas marginalis, 418 Psila rosae. See Carrot rust flies Psyllas, pear. See Pear psyllas Psyllids. Buxus and, 51 Pumpkin, 213... 

Triphenyltin hydroxide (Fentin) and triphenyltin acetate (Brestan) are used to combat potato blight, leaf spot on celery and sugar beet, rice blast, and coffee leaf rust. Tricyclo-hexyltin hydroxide (Plictran), bis(trineophyltin) oxide (Vendex or Torque), and 1-tricyclohexylstannyl-l,2,4-triazole (Peropal) have also been used for the contol of mites on apples, pears, and citrus fruits. 

Fenbuconazole (Table 17.11) is a triazole fungicide intended for use as an agricultural and horticultural fungicide spray for the control of leaf spot, yellow and brown rust, powdery mildew and net blotch on wheat and barley and apple scab, pear scab and apple powdery mildew on apples and pears. Fenbuconazole was already presented to the public in 1988 by Driant et al. [43]. 

BAYLETON 50% Wettable Powder is a unique fungicide which has the ability to control, as well as prevent, certain important fungus diseases, including rusts, powdery mildew and black rot in wheat, barley, grapes, apples, pineapples, pears, pine seedlings, and grasses grown for seed. 

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