A wonderful method to control lily bulb canker
Lily bulb canker disease is caused by basidiomycete fungi. The disease is characterized by hypha on diseased tissue. The pathogen can directly or indirectly invade the stem base of lily. The disease was serious in continuous cloudy days, temperature lower than 20℃, high humidity and heavy soil. The control methods should strengthen cultivation management, reasonable fertilization and watering, and enhance plant resistance. in addition, it is also very important to plant plants in a reasonable density, regulate ventilation and light transmission, and pay attention to drainage in rainy seasons. At the early stage of disease, spraying 20% chlorophos methyl EC 1200 times or 40% quintozene powder 500 times, serious use of 40% quintozene, evenly scattered on the ground after harrowing soil chemical treatment is also effective.
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How to manage Lily during its growing period
Before emergence, the management should do a good job of ditch drainage to ensure that the lily land is neither dry nor waterlogged, and there is no low temperature freezing damage. Seedling management from late April to early May, when the seedling height is about 10 cm, 2550 kg of rotten vegetable cake fertilizer or 30 piculs of rotten pig manure and urine are applied per mu (chemical fertilizer containing fluorine and chlorine can not be applied, let alone without heap.
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Control methods of Rhizopus soft rot of lily bulb
First, the symptoms of damage: during the storage or transportation of the lily bulb, there are primary water stains on the outer skin, and then the color becomes darker, with a slightly pungent smell, the bulb becomes soft, and in serious cases, the bulb has destructive decay, and sometimes there is a thick mycelium layer on the bulb, that is, the cyst peduncle and sporangium of the pathogen. Second, the shape of the pathogen is special.
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