What if there are insect pests on roses?
The common pests that harm roses are leaf-cutting wasp, stem-leaf wasp, rose night moth, blow cotton scale and red spider. The main control methods are as follows: 1. Leaf-cut bees. It mainly harms the tender leaves of plants, and when a large number of them occur, the complete leaves can be bitten into incomplete ones in a short period of time. It is mainly controlled by manual killing of adults or spraying 1000 times of fenitrothion to the nest. two。 Stem and leaf wasp. It mainly harms the stem of the plant, causing the branches to wither and lead to the death of the plant. Check the pulp of the stubble when pruning in winter. If you find a moth, drop 1-2 drops of pyrethroid insecticides and seal it with mud to control it. If the tender branches have been damaged, they should be cut off and destroyed. 3. The middle night moth. The larvae mainly harm leaves, buds and flowers. Spray control with 1000-1500 times liquid of 90% crystal trichlorfon or 1000 times solution of fenitrothion EC. 4. Red spider. It mainly harms the positive and negative sides of the leaves, causing the leaves to dry up and fall off. At the initial stage of the disease, 20% triclofenac wettable powder was sprayed with 800-1000 times liquid, once every 2 weeks, twice in a row.
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Standardized cultivation techniques of Rose
In recent years, our field has implemented the Science and Technology Spark Project of the Provincial Department of Science and Technology, and successively introduced five new varieties of fresh cut rose, including Meilan lipstick, Bellamy, American Powder, Cardinal and Hongjiu ○, from outside the province, and summed up a set of standardized cultivation techniques. 1. Variety layout: Meilan lipstick and Bellamy are the main varieties in summer.
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Preparation of mushroom bag of Pleurotus eryngii
Pleurotus eryngii is a kind of high-grade edible mushroom, and its production benefit is ideal. In recent years, it has attracted many mushroom farmers to join the ranks of planting Pleurotus eryngii. However, many mushroom farmers call and write to reflect that they have little knowledge of the high-yield cultivation techniques of Pleurotus eryngii. For this reason, this newspaper has organized this special edition of Pleurotus eryngii cultivation, hoping to have something for everyone.
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