There are ways to protect papaya from cold.
Papaya is a tropical crop, like hot climate, avoid low-temperature frost. Freezing injury occurs when the temperature is lower than 5 ℃. It is very important to take the following measures to prevent freezing: re-application of overwintering fertilizer. Each tree is treated with 10kg of organic fertilizer mixed with mature human and animal manure and plant ash, and 1.5 kg of phosphate fertilizer. At 80cm and 100cm away from the trunk, dig a ring ditch 20 cm deep and 35 cm wide. Mix the fertilizer with the dug soil and fill it back into the ditch. Cover the tree plate with straw or other weeds after fertilization. Tree protection general lotion 100 times liquid (50 kg) sprayed tree trunks and branches, film-forming material can protect leaf flower buds from freezing injury.
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Control measures of papaya rot head disease
Papaya appeared different degrees of rotten head, even lodging and dead plant phenomenon, should be the occurrence of stem rot, high temperature and wet, more prone to disease. Control: generally used for melon root rot, disease control or bacterial agents. If you find a diseased plant, remove the soil from the neck of the diseased plant and use sterilized bamboo chips.
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Control of brown rot of papaya
Generally multi-row ground planting, but you can also make pile scenery to implement potted plants. The suitable planting period is before sprouting in early spring or after defoliation in early winter. When the seedling comes out of the nursery, keeping the intact root system of the seedling is one of the keys to the survival of planting. Generally, large seedlings should be planted with soil balls, and small seedlings should stay in the lodging soil according to the situation. The seedlings should be added after planting.
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