A New Carnation Variety-Cloud Butterfly
Yunzhi Butterfly is a new mutant produced by the Flower Research Institute of Yunnan Academy of Agricultural Sciences after irradiating the main variety Languiren with gamma rays. In 2005, it was planted and demonstrated in Tonghai, Chenggong and Jinning, the main producing areas of Yunnan carnation. It showed wide adaptability, high yield, strong disease resistance, pure flower color, transportation resistance, long vase life, easy cultivation, and was welcomed by flower farmers. It has a good development prospect. In 2005, it obtained the registration and protection of new plant varieties of the Ministry of Agriculture. The production area is expanding.
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Carnation Fusarium wilt
1. The susceptible part of the symptom becomes yellowish brown or brown dry rot, which spreads upward quickly, the stem shrinks, and the xylem shows yellowish brown or purple brown rot. The leaves of the aboveground parts of the diseased plants lost their luster and became soft, and the leaves near the root neck first withered and sagged. With the rapid development of the disease, the plant withered quickly; if the bacteria invaded from one side of the plant, it first showed half of the wilt. When the environment is wet, color filaments can be seen at the rot of the root neck, which is the fruiting body of the pathogen. two。 Pathogenic half-known bacteria subphyllosporum Fusariumdianth
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Carnation rust
Rust is one of the common diseases of carnation, and its susceptibility is different among varieties. It generally occurs in the autumn and winter when it is neglected to control, and serious in the continuous cropping areas where the previous crops are seriously ill. The whole plant could be damaged, especially the leaves. Reddish-brown spots appeared on the front and back of the diseased leaves, and the epidermis around the diseased part was ruptured, revealing a red powder, that is, a pile of germ summer spores. In the later stage, the color of the disease deepened, and the black brown to black powder appeared after the rupture of the epidermis, that is, the pile of winter spores of the bacteria. Rust can also harm the stems and sepals of carnation. Carnation rust is caused by Puccinia caryophyllus, which is a kind of
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