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Specific medicine for corn leaf spot
Maize leaf spot will affect the normal growth and development of maize, resulting in the reduction of maize yield. So what are the specific drugs for corn leaf spot? How to control corn leaf spot? 1. The specific drug of corn leaf spot can be used in the heading stage or the early stage of the disease for corn in high-yielding fields.
2020-11-08 Corn big spot disease specific medicine corn disease association influence -
What are the animals?
What are the animals?
2018-07-03 -
How to control corn leaf blight caused by big and small leaf blight
How to control corn leaf blight caused by big and small leaf blight
2018-10-28 -
Rose black spot disease so that flowers bloom full branches and big and colorful
Rose black spot disease is a common rose disease, so friends who like roses need to know the prevention and treatment methods of rose black spot disease. Below is to take everyone to understand the next rose black spot disease! Symptoms of black spot disease: rose hair...
2018-08-13 -
Sow has tear spot originally is this reason, the influence is so big?
Sow has tear spot originally is this reason, the influence is so big?
2020-06-23 -
How much is a kilo of spotted shrimp? Three big differences from nine shrimp!
Spotted shrimp, also known as grass shrimp, black tiger shrimp, flower shrimp, is a common edible shrimp in China, because anthocyanin is 20% higher than other shrimps and deeply loved by people, especially to the Spring Festival, the sale price is very high, that spotted shrimp about how much money a catty? And what's with the nine-node shrimp
2020-11-11 mottled joints shrimp probably more less money one jin and nine joints three big -
What is the symptom of big leaf yellow poplar gray spot disease?
Symptoms of gray spot of Populus tomentosa: occurs on the leaves of Populus tomentosa. The small chlorotic macula appeared on the infected leaves at the initial stage, and then gradually expanded into irregular spots, showing gray, grayish white or irrigated yellow. The boundary between the sick and the healthy is often brown or dark brown everywhere, and the edges are often raised. In the later stage, several disease spots are often linked together, accounting for 1/2 to 1/3 of the total leaf area. when the damage is serious, the diseased leaves can fall off in the same year and even cause the branches to die.
2019-01-11 -
Skin rot of poplar and its control
Poplar skin rot: the symptoms of poplar rot occur on the trunk and branches, showing two types of dry rot and withered branches: dry rot mainly occurs in the trunk, big branches and branch bifurcations. At the initial stage, the disease showed dark brown edematous spots, cortical tissue decayed and softened, and the bark dried and sunken after dehydration, sometimes cracked.
2018-07-19 -
For the reasons for the failure of novice ricefield eel culture, the following 7 points should be paid attention to
The quality of seedlings is poor: high-quality seedlings such as dark yellow spots and earth red spots should be selected. The pool water is too deep: the water depth should be about 5-20cm. Mixed culture: all food will be eaten by big eels, and when hungry, big eels will swallow young eels. Changing feed frequently: yellow eel will be difficult to adapt.
2020-11-08 Novice ricefield eel breeding failure reason below 7: 00 need pay attention -
Robinia pseudoacacia dry rot
Symptoms: the disease harms the branches of young trees to big trees, causing the branches to wither or the whole plant to die. Big trees occur mainly at the base of the stem and a few at the bifurcations of the upper branches. The base of the tree was killed, there were no obvious symptoms on the outside, the interior of the bark was discolored and rotten, there was a bad smell, and the surface of the xylem produced brown to dark brown irregular spots. The disease spot continues to expand, encircling the tree trunk for a week, causing the branches above the disease spot to die, and the leaves yellowing and withering. The main stem of the shoot or young tree was damaged, and the diseased tissue rotted in the form of water stains, resulting in obvious ulcer spots, slightly sunken, and the margin purplish brown.
2019-01-15 -
The latest course of techniques and methods for Disease and Pest Control of Cornus officinalis
Cornus officinalis is a kind of medicine which has been introduced and cultivated in Sichuan. The main diseases of Cornus officinalis are anthracnose, angular spot, gray plaster and so on. The main pests of Cornus officinalis are green-tailed silkworm moth, big coir moth, Cornus officinalis fruit moth and yellow.
2020-11-10 Most Xinshan Cornus officinalis diseases and insect pests control techniques methods tutorials mountains -
Rose flowers bloom without insects to teach you a few tricks big and gorgeous flowers
Rose flowers are easy to raise and look good, and there are many varieties and colors. There are always diseases and insect pests in the process of maintenance, so it is critical to take good control measures. Let's take a look at the prevention and control methods of diseases and insect pests! Rose insect pests (1). Red spider red spider common worm.
2018-10-14 -
The latest Control measures of Maize Leaf spot
Corn leaf spot is one of the main diseases of maize, which mainly harms leaves and also harms leaf sheaths and wrapped leaves in serious cases. After the plant is susceptible, it starts from the bottom leaf and gradually expands upward, the same leaf, large and small spots can be mixed, or multiple disease spots can occur with each other.
2020-11-10 The latest corn big spot disease control measures -
The peony blossoms are big and beautiful in spring with 100% survival before the peony flowers are put into pot.
08, peony flowers on the pot, such a treatment, 100% survival, spring blossoms big and beautiful! This is the eighth article of the blue demon's original "Peony Culture" column. Yesterday we talked about the improvement of the soil planted in the peony and the preparation scheme of the basin soil.
2018-09-05 -
How to treat corn leaf spot?
How to treat corn leaf spot? Please introduce that maize leaf blight has always been a major epidemic leaf disease that threatens the safety of Shangluo maize production. Summer sowing corn is often the most harmful to the disease. Occurrence characteristics: first, there are significant differences in disease resistance among maize varieties. The investigation proved that Zhengda 12, Yuyu 22, Agricultural University 3138, Anyu.
2018-07-19 -
What are the occurrence and control methods of rust in small spring crops (big wheat, broad bean)?
Rust is a kind of plant disease caused by the parasitism of rust in fungi. It is widely distributed and harmful, mostly in cereal crops, legumes, pears and so on. The rust of many crops is worldwide, and some of them have the characteristics of regional epidemic, and the yield loss is often tens of thousands of tons.
2020-11-09 Spring crops big wheat broad beans rust disease occurrence and -
What are the symptoms of big cherry suffering from dry rot? Attached prevention and control technology
Big cherry is a kind of fruit with high nutritional value, and even the high price is deeply loved by consumers. Many people buy big cherries one by one. There are many key points in the planting and management of big cherries, and they are also vulnerable to diseases and insect pests.
2020-11-08 Big cherry dry rot disease symptoms which attached prevention and treatment -
How big can the striped squirrel grow?
Striped carp is a kind of fish, quick seven-star fish, red circles, distributed in the ditches or streams between the plains of the south and Taiwan, is a common freshwater fish, and now many people have begun to raise striped fish, so how big can striped fish grow? 1. Striped Stripes
2020-11-11 Striped small can grow how big striped yes a kind of fish -
Control techniques of Diseases and insect pests in Cornus officinalis
Control techniques of Diseases and insect pests in Cornus officinalis
2018-07-05 -
Chunlan is rich and noble.
Chunlan "Da Fu Gui" is also known as "Zheng Tonghe" and "Tuan he". Selected in Shanghai Flower Kiln in 1909, Zheng Tongmei in Shuanglin in Huzhou and Wu Chunbai in Hangzhou respectively. There are different opinions about whether "Zheng Tonghe" and "Da Fu Gui" are the same or two kinds. According to the physical observation, it should be compatriots and sisters in the same year. It may be the same place of origin.
2018-03-04