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Rose wilt – Rose wilt is a complex of viruses and is referred to as "dieback" in some areas. The disease can be spread by vectors such as aphids. Symptoms are variable and range from stunted growth to curled young leaves. The soft tissue symptoms are more evident in spring and new leaves will reflex towards their own petioles.
19th-century illustration. Lily of the valley (Convallaria majalis / ˌ k ɒ n v ə ˈ l ɛər i ə m ə ˈ dʒ eɪ l ɪ s /), [2] sometimes written lily-of-the-valley, [3] is a woodland flowering plant with sweetly scented, pendent, bell-shaped white flowers borne in sprays in spring.
This mycelial layer may quickly spread to cover all of the leaves. The lower leaves are the most affected, but the mildew can appear on any above-ground part of the plant. As the disease progresses, the spots get larger and denser as large numbers of asexual spores are formed, and the mildew may spread up and down the length of the plant.
'Maiden's Blush', an Alba rose (before 1400) Literally "white roses", derived from R. arvensis and the closely allied R. × alba. The latter species is a hybrid of R. gallica and R. canina. [14] This group contains some of the oldest garden roses. The shrubs flower once yearly in the spring or early summer with scented blossoms of white or pale ...
The leaves are pinnate, 7–14 cm long, with three to seven leaflets. The leaflets are ovate, with serrate (toothed) margins. The flowers are pink (rarely white), 3.5–5 cm diameter; the hips are red, pear-shaped to ovoid, 10–15 mm diameter. Its native habitats include thickets, stream banks, rocky bluffs, and wooded hillsides.
Boxelder bugs only feed on box elder seeds and leaves, so they don't actually cause damage to most plants. "They appear in high numbers which leads people to get concerned when you see 50, 60 ...
Rosa californica, the California wildrose, [1] or California rose, is a species of rose native to the U.S. states of California and Oregon and the northern part of Baja California, Mexico. The plant is native to chaparral and woodlands and the Sierra Nevada foothills, and can survive drought, though it grows most abundantly in moist soils near ...
Sporotrichosis, also known as rose handler's disease, [2] is a fungal infection that may be localised to skin, lungs, bone and joint, or become systemic. [2] [4] It presents with firm painless nodules that later ulcerate. [3] Following initial exposure to Sporothrix schenckii, the disease typically progresses over a period of a week to several ...
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