-
A Detailed Explanation of the Symptoms and Control Measures of Banana Fusarium Wilt
Banana is a common tropical fruit with many varieties, and it is also one of the fruits we eat more of in our daily lives. Bananas are suitable for all ages, rich in certain nutrients, and inexpensive. When growing bananas, you should choose suitable varieties according to local conditions.
-
How to prevent and treat dactylogyrosis in tilapia farming
[Cause]Dactylogyrus worms use their anchor hooks and marginal hooklets to hook onto the gill filaments and move constantly, causing damage to the gill tissue. This disease mainly harms fry and fingerlings, and heavy infestation can cause mass mortality of fry and fingerlings. The parasite's suitable water temperature is 20-25°C, and the disease occurs in summer, autumn and the overwintering period.
-
How to prevent crab diseases in winter? Six practical methods to master
First, freeze and sun-dry the pond bottom. After the crab pond is cleaned, clear the drainage ditches, use machinery to pump water regularly, and try to let the pond bottom undergo severe freezing and sunlight exposure for about one month, so as to improve the soil condition of the pond bottom and allow some pathogens to be killed by freezing and sunlight exposure.
-
How should potatoes be remedied after herbicide damage?
The potato planting area has shown an upward trend year by year. If the rotation plot is chosen unreasonably, the residue of pesticides applied to the previous crop will cause herbicide damage problems in potatoes. So, what should be done about herbicide damage in potatoes? 1. What to do about herbicide damage in potatoes 1. Rinse with clean water or weakly alkaline water For
-
Prevention Methods for Deformed Fruit in Strawberry Cultivation
The main cause of deformed strawberry fruit is poor pollination and fertilization, but the degree of occurrence is related to factors such as variety, flower order, flower-visiting insects, temperature and humidity, and pesticide spraying during the flowering period. Therefore, to prevent the occurrence of deformed strawberry fruit in production, the following should mainly be considered
-
Occurrence Patterns and Control Methods of the Sweet Potato Hornworm
The sweet potato hornworm, Herse convolvuli (Linnaeus), belongs to the order Lepidoptera, family Sphingidae. It is distributed in Japan, and in China it is also found in Liaoning, Hebei, Henan, Shandong, Shanxi, Zhejiang, Taiwan, China, Guangdong and other provinces. It mainly damages plants of the Convolvulaceae, Solanaceae and Fabaceae. I. Morphology
-
Occurrence and Control Methods of Rice Pests and Diseases at the Mid-Season
According to field surveys of pests and diseases by each forecasting station, the field moth population of the third generation of the rice leaf roller is currently large, and the egg mass is high. All towns are urged to actively carry out control work. I. Occurrence situation: (1) Third generation of the rice leaf roller: 1. Field moth population: According to observations at each forecasting station, the field moth population
-
Control Methods and Technical Key Points for Rice Bakanae Disease
Symptoms: After rice is infected with bakanae disease, the internodes of the affected plants elongate, growing thin and tall, the plant color is paler, the leaves are narrower than those of normal plants, there are varying numbers of adventitious roots inside or outside the leaf sheaths at the nodes, and white mold grows inside the rice stalks, later turning light red, sometimes
-
Occurrence Patterns and Control Methods of Peanut Spider Mites
Peanut spider mites occur commonly in Zhaoyuan City, mainly the carmine spider mite (Tetranychus cinnabarinus) and the two-spotted spider mite (Tetranychus urticae), among which the carmine spider mite has the highest occurrence density and causes the most severe damage, while the two-spotted spider mite affects a smaller area, but in recent years the two-spotted spider mite has shown an upward trend in Zhaoyuan City. In recent years, peanut spider mites
-
Occurrence of Spring Frost Damage in Wheat and Remedial Measures
Every year in February and March of spring, cold air frequently breaks out and moves southward in the north, with a large temperature drop during the process, and wheat that has jointed too early often suffers frost damage. At this time, for seedlings growing too vigorously, the method of pressing should be adopted to inhibit growth; for weak seedlings, reasonable topdressing should be applied to promote weak ones into strong ones
条件筛选