Penicillium rot of Lilium bulb
The disease occurs in the process of storage and transportation of lily bulbs.
Symptoms: in the early stage of the disease, dark brown disease spots and sunken spots are produced on the injured scales. After that, the disease gradually spread inward, resulting in slow dry rot of the bulb, which took several weeks to rot away. In the later stage of the disease, the disease produced cyan mildew, which were the conidiophores and conidia of the pathogen.
The pathogen is Penicillium circularum (PenicilliumcyclopiumWestl.) And P.corymbiferumWestl, belonging to the subphylum Trichoderma, Trichospora, Trichoderma, Penicillium. In addition to harming some plants, germs can also make a variety of organic matter mildew.
Control: refer to lily bulb soft rot. In addition, when 156g calcium hypochlorite powder was added to the packaging soil per 22.7kg during storage and transportation, the disease could be controlled, and the bulb soaked in warm water could also inhibit the disease.
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Bulb soft rot of lily
The disease occurs in the process of storage and transportation of lily bulbs. Symptoms: at the initial stage of the disease, the susceptible scales produce water-stained spots, then turn dark brown, and the bulbs soften and rot. In the later stage of the disease, a thick mildew layer grows on the surface of the disease spot, and many sporangia that are white first and then turn black are produced in the mold layer. The pathogen is Rhizopusstolonifer (Ehrenb.exFr.) Vuill. And R.nigricannsEhrenb.
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The method of improved Variety cultivation of Lily
Lily is used as a bulb for food or medicine, which has the effect of moistening the lungs and relieving cough, clearing the heart and calming the mind; it is a kind of economic crop widely planted by farmers in recent years. In this paper, the cultivation methods and technical points of improved varieties of lily are introduced as follows: after lily harvest, select the large bulb with strong growth, no damage and no disease and insect harm, cut off the base, leave the scales and dry for several days. Make a horizontal groove on the whole seedbed with a row spacing of 15 cm, with a depth of about 7 cm, and then put scales 1 into the horizontal groove every 3 cm.
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