Prevention and control measures of tomato diseases and insect pests
In addition to being rich in vitamin C and various minerals, virgin fruit tomato has higher nutritional value than ordinary tomatoes, and it has a good taste. It is not only suitable for fresh dishes, but also can be used as a fruit listed in the four seasons to meet the needs of people with different living habits. However, there are many diseases and insect pests in the process of cultivation. The common diseases and insect pests and control measures in our southern umbrella are as follows: the common pests of virgin fruit tomato are Spodoptera litura, cotton bollworm and aphids. For Spodoptera litura and Helicoverpa armigera, 600 and 800 times of trichlorfon and dichlorvos can be sprayed, and 1000 times of imidacloprid can be used for aphids. The common diseases are quenching disease, early blight disease, bacterial wilt disease and virus disease. In the early stage of the disease, 64% alum wettable powder 500 times or 70% Dysen zinc wettable powder 400 times 500 times, or 50% methyl topiramate 500 times 600 times, can be used for spray control.
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Six steps of high-yield cultivation of virgin fruit
First, throw seedlings at the right time to give full play to the advantage of early birth and quick development. There is less soil in the seedling tray, and under the premise that the seedlings can be picked up and the soil is not scattered, the sooner the seedlings are thrown, the better. Generally, the seedlings can be thrown after about three leaves for 20 days after the early planting and 10 days for the late planting. The shorter the seedling, the faster the seedling will recover and grow.
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Characteristics and Seedling raising techniques of Tree Pineapple
Tree pineapple, also known as wood pineapple, jackfruit, is a little-known tropical fruit, which is only sporadically distributed in the tropical and subtropical regions of China. Native to western India. Guangdong has sporadic distribution in all cities and counties south of Guangzhou, with more Dianbai and Gaozhou in the west of Guangdong and more cities and counties in Leizhou Peninsula. But with China's reform, opening up and.
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