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National General Administration of Prevention and Control: large-scale spring flood may occur in spring 2016
Spring floods are expected to occur in some parts of China in the spring of 2016, the office of the State Flood Control and drought Relief headquarters announced on the 21st. The report shows that the El Nino event, which has lasted since May 2014, developed from the equatorial central Pacific to the eastern Pacific in May this year.
2015-12-26 The country the General Administration of Prevention 2016 spring may occur large wide range spring flood -
Over-warning floods occurred in 118 rivers across the country
Over-warning floods occurred in 118 rivers across the country
2019-02-21 -
Control of diseases and insect pests of licorice
(1) Rust: the disease occurred from May to June, causing damage to leaves. Prevention and treatment methods: ① concentrated burning of diseased branches; at the initial stage of the onset of ②, 90% diazepam sodium was sprayed 400 times. (2) Brown spot disease occurred from May to June, causing damage to leaves. Prevention and treatment methods: ① concentrated burning of diseased branches; at the initial stage of the onset of ②, spray 1: 1 100: 160 Bordeaux solution or 70% methyl topiramate wettable powder 1500-2000 times. (3) powdery mildew occurred from May to June, causing damage to leaves. Prevention and control method: spray 0.2-0.3 Baume stone sulfur
2019-01-16 -
What diseases and insect pests may occur in the cultivation of Pleurotus ostreatus? How to prevent and cure?
In the specific planting process of Pleurotus ostreatus, it is likely that Pleurotus ostreatus is attacked by diseases and insect pests due to improper management and other reasons, resulting in the decline of Pleurotus ostreatus yield, poor quality and other phenomena, which brings great losses to the economy of the majority of growers. It is possible in the cultivation of Pleurotus ostreatus
2020-11-08 Pleurotus ostreatus cultivation medium possible occurrence which diseases and insect pests how in -
Orchids pest control
Anthracnose, this disease is the most common disease of orchids, mainly harmful to leaves, late disease spots produce black dots, eventually pathogenic leaves yellow, the disease occurs in May-June, plum rain season or September-October autumn rain or typhoon years.
2018-02-25 -
How to prevent and cure the disease and insect of Achyranthes bidentata
The disease during the growth period of Achyranthes bidentata is mainly white rust, which is characterized by damage to the aboveground parts of the plant, yellowish green patches on the leaf surface, outstanding blister protuberances on the back, 1 mm in diameter, and white and glossy sticky powder after the epidermis is ruptured. The diseased leaves turn yellow and brown when blister spots occur for a long time. Occurs in the petiole bud and other parts, resulting in light yellow spots, and then into white blister spots, the diseased stem is often swollen and twisted. The incidence rule of white rust is that the pathogen is mainly oospore.
2019-01-16 -
What is the breeding method of chrysanthemum? How to deal with chrysanthemum potted plants attacked by red spiders? ...
Chrysanthemum is the third of the top ten famous flowers in China, one of the four gentlemen (plum orchid bamboo chrysanthemum). Different types of chrysanthemums are named after a variety of varieties. Chrysanthemum is a valuable ornamental flower cultivated by long-term artificial selection. Let's talk about the relevant knowledge of cultivating chrysanthemum. What is the breeding method of chrysanthemum?
2019-02-10 -
Why is fish disease difficult to treat? Characteristics of fish disease
Why is fish disease difficult to treat? Characteristics of fish disease
2019-08-26 -
The cause of death of pigs
In the process of raising pigs, pigs may develop a variety of diseases, resulting in death, this phenomenon generally occurs in piglets and large pigs. So what are the causes of pig death? I. Acute digestive systemic diseases
2020-11-11 Pig death cause in raising pig in the process pig maybe -
The control time of wheat scab is better in the early stage of infection
Wheat scab is most likely to occur at heading and flowering stage, that is, from mid-April to mid-May, so the control effect is better at this stage. Wheat scab should be mainly prevented. If it is infected during flowering stage, severe disease may occur during grain filling stage.
2020-11-08 wheat scab mildew control time infection initial stage progress better -
Opinions on Prevention and Control of Diseases and insect pests in Peach trees in early Spring
Peach leaf shrinking disease mainly harms leaves, but also young branches and young fruits. The disease usually occurs from April to May and occurs only once a year. When the fruit occurs, it turns red, the disease part is swollen, the villi fall off, and the surface is smooth. Varieties with high yield, high quality and disease resistance were selected for agricultural control. Enter the fruit period of the peach orchard, do a good job of soil and fertilizer.
2018-09-15 -
Treatment of polyhydramnios of amniotic fluid
When there is a large amount of fluid in the fetal membranes, it is called excessive fetal fluid, which is mainly characterized by excessive urine or amniotic fluid, or both may occur at the same time. The disease is common in sheep and goats. Fetal water has no great change in quality, and it may be thinner than normal fetal water. The amount of amniotic fluid of sheep is generally small, the maximum amount is about 450ml, but when there is too much amniotic fluid, it can reach about 700ml. 1. Etiology 1. Because of torsion of the umbilical cord or some parts of the membranes. two。 Fetus or mother
2019-01-16 -
How to do orchid white silk disease? Symptoms and Control methods of White Silk Disease of Orchid
White silk disease of orchid is one of the main diseases of orchid, also known as white silk disease, Sclerotinia sclerotiorum, etc., which is second only to anthrax. Once it occurs, the damage and loss will far exceed anthrax. The infection usually begins from April to May, and the disease occurs rapidly during the peak period from June to August, resulting in the rot and death of the injured orchid plants.
2018-08-31 -
Ministry of Agriculture warns that El Nino may adversely affect autumn grain production
Xinhua News Agency, Chengdu, July 27 (Reporter Wang Yu) Yu Xinrong, vice minister of the Ministry of Agriculture, said at the national autumn grain disaster relief and harvest site meeting held here that the current period is the critical period for flood control and drought relief. It is also the key time for the growth and development of autumn grain and disaster prevention and reduction.
2016-03-20 Ministry of Agriculture warning El Nino or yes autumn grain production bring -
Lymphosarcoma in dogs and cats
There are two types of lymphadenomas: one occurs in lymphoid organs and tissues, called malignant lymphoma, and tumor cells (lymphocytes) may be present in the peripheral blood; the other occurs in bone marrow, called lymphoid leukemia, and tumor cells (lymphocytes) are often seen in the peripheral blood. The etiology is not clear, feline leukemia virus may be part of the feline lymphosarcoma pathogen. Investigation shows that 1/3 of cats with leukemia develop into lymphosarcoma. Nearly 70% of cats with lymphosarcoma tested positive for feline leukemia virus. diagnosis
2019-01-16 -
Causes and Control of Flower and Fruit drop of Schisandra chinensis
First, the reasons for falling flowers and fruits. 1. Low temperature and freezing injury cause falling flowers. The last frost period occurred in the middle of May in some areas in the east, and the cold air mass caused physiological chilling injury and caused some flower buds to fall off. 2. The drift of herbicide causes falling flowers. Field herbicides are mostly used at the end of April and the beginning of May, when Schisandra chinensis is in bloom. The drift of herbicides directly harms the petals of Schisandra chinensis, so that the female flowers can not be pollinated normally, resulting in falling flowers. 3. Fruit drop caused by diseases and insect pests. The main diseases are root rot, leaf blight and powdery mildew.
2019-01-16 -
Prevention and control techniques of common diseases and insect pests in orchids
Prevention and control techniques of common diseases and insect pests in orchids
2018-04-27 -
Occurrence and control techniques of common diseases and insect pests in orchids
Occurrence and control techniques of common diseases and insect pests in orchids
2018-04-02 -
The latest control methods of white silk disease of orchids
White silk disease of orchid is one of the main diseases of orchid, also known as white silk disease, Sclerotinia sclerotiorum, etc., which is second only to anthrax. Once it occurs, the damage and loss will far exceed that of anthrax. It usually begins to infect from April to May, and the disease occurs rapidly during the peak period from June to August.
2020-11-10 The latest orchid bleaching silk disease prevention methods whitening -
Actively deal with the "flood in the south and drought in the north" to ensure a steady increase in grain income
The main flood season has arrived at present. Under the influence of El Nino events, global meteorological disasters occur frequently. Severe convective weather in China has a wide range of points, high intensity, severe hail disasters, frequent torrential rains in the south, persistent high temperatures in the north, and precipitation and temperature break through historical extremes in some areas.
2016-01-10 Actively respond to "flood in the south and drought in the north" to ensure stable grain production and increase income