wheel pattern Learn more about wheel pattern
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A gorgeous succulent gem-- raw stone flower
Preface follow Encyclopedia meet Beautiful (WeChat account: duoroubaike) text begins: thank the author [Jingnight] for his original contribution, sharing and editing: encyclopedia coordinates: Dalian City, Liaoning Province, once upon a time, Prunus officinalis succulent instant red.
2018-09-20 -
What do you think of the age of the cow?
What do you think of the age of the cow?
2018-07-06 -
Control techniques of Tomato early Blight
Control techniques of Tomato early Blight
2018-07-05 -
Color appreciation
Color appreciation
2018-04-28 -
The latest course of techniques and methods for Prevention and Control of Tomato early Blight
Tomato early blight occurs in Northeast, North China, East China and Southwest China. Its main feature is that no matter the disease spot on the fruit, leaf or main stem, there are obvious wheel lines, so it is also called ring disease. The fruit spot is often near the fruit pedicel.
2020-11-10 The latest tomato early blight control technology methods tutorials -
Coriander planting: what is the early blight of coriander?
What is the early blight of parsley? What are the hazards of parsley early blight? Please introduce and control the harm of parsley early blight: parsley early blight is a fungal disease, which can occur at seedling stage and adult stage, and the stem base of seedlings has dark brown spots, slightly sunken and has wheel pattern. The disease in the adult stage is generally from the bottom.
2018-07-18 -
The latest prevention and control methods of mung bean ring disease
Mung bean ring disease treatment not only infects mung bean, but also harms adzuki bean, kidney bean, broad bean and so on, causing the outbreak of brown spot, mainly harming the leaves, causing the leaves can not work properly, and has a great impact on the yield. So how to prevent and cure mung bean ring disease? Follow the editor
2020-11-10 The latest mung bean wheel pattern disease prevention and treatment method -
Appreciation of flowers and colors of orchids
(1) the plain heart flap is the plain heart valve that does not have a color block on the lip flap. As the pigment of orchids is mostly concentrated in the lip, therefore, the general lip colorless block, the outer three petals and holding petals will not have color blocks. The traditional plain flap has three outer petals, the holding flap is green, and the labial flap is white. Correspondingly, the lips of orchids are usually reddish or.
2018-03-03 -
Prevention and control of diseases and insect pests of tree peony
Symptoms of peony virus disease: peony ringspot virus (PRV) produces concentric round spots with the same dark green and light green on leaves, at the same time, there are small necrotic spots, plants are not dwarfed, TRV also changes in different sizes of ring spots or wheel spots, sometimes irregular, and PLCV causes
2020-11-08 Species peonies diseases and pests control peony viruses diseases symptoms -
How to identify Tomato late Blight and Botrytis cinerea
Late blight and Botrytis cinerea are important diseases that seriously affect the yield and output value of tomato in spring cropping facilities in North China. Early detection and accurate identification is the premise of effective prevention and control. The field symptoms often vary with different varieties and environmental conditions, and they are easy to be confused with each other or with other diseases, which puzzles growers.
2018-09-11 -
Symptoms and control of early defoliation disease of pomegranate
Early defoliation includes a variety of diseases, which can be divided into brown spot, round spot and ring spot, among which brown spot is the most serious. When the disease is serious, it causes a large number of fallen leaves in the early stage, premature senescence of tree potential, less flower buds and lower measurement. 1 、
2020-11-08 Species pomegranate early stage deciduous leaves disease symptoms prevention and treatment -
How to prevent and cure tea wheel spot disease?
How to prevent and cure tea wheel spot disease?
2018-06-28 -
What are the classifications of ornamental peony varieties?
What are the classifications of ornamental peony varieties? The peony flower is colorful and magnificent, and is known as the "king of flowers". At the same time, because the peony flower is large and fragrant, it is also known as "national color and Tianxiang". There are thousands of peony varieties in our country.
2018-05-31 -
Cuiyan cold orchid
Toothpick rod, triangular lobe with round tongue, compound wheel bright eye, square emerald green flower, pattern dignified and bearable!
2018-02-25 -
How to control black spot of rape
First, the symptom of rape black spot mainly harms leaves, petioles, stems and pods. Leaves infected with primary brown round disease spot, slightly concentric wheel pattern, sometimes surrounded by yellow halo, when the humidity is high, black mildew. The disease at the junction of petiole, petiole and main stem forms an oval to fusiform ring-shaped spot.
2018-09-10 -
Control of Penicillium bulb Penicillium in Lily
Symptoms: occur during storage. The disease spot on the bulb is sunken, dark brown, the upper turquoise mildew layer (spore mass), the internal scales gradually rot, and finally cause the bulb dry rot. It usually takes two or three months for the bulb to rot completely. Pathogen: PenicilliumcyclopiumWestl. It belongs to the subphylum of fungal penicillium, hyphomycetes, Penicillium, Penicillium. Colony dark blue-green, without or inconspicuous wheel patterns, granular or clustered, abaxially light pink, occasionally yellow or purplish. The diameter of conidiophores is 3-3.
2019-01-16 -
Control methods of Brown spot of Peony
Peony brown spot is a common disease in the later growth stage of peony. Symptoms: pale spots of different sizes appear on the leaf surface, usually round spots with a diameter of 3Mel and 7mm. There are 1-2 spots in a leaf, and up to 30 spots in a leaf. The middle of the spot gradually turns brown, and the front is scattered with very small black.
2018-09-09 -
New techniques for prevention and control of apple ring disease
New technology for prevention and control of apple ring disease Apple ring disease, apple tree rot and early apple defoliation are the three major diseases of apples in China. Because of its close relationship with climate, the disease is more serious in North China, Northeast China and East China. 1...
2018-06-09 -
Herbaceous plant tomato (tomato) what symptom does early blight, anthrax have? What kind of medicine should I take? How to prevent and cure?
Tomato (tomato) early blight and anthracnose are common diseases of tomato, which occur everywhere and are important diseases harmful to tomato. So what are the symptoms of these diseases? What kind of medicine should I take? How to prevent and cure? Let's learn more about it.
2019-04-10 -
Herbaceous plant tomato (tomato) what symptom does early blight, anthrax have? What kind of medicine should I take? How to prevent and cure?
Tomato (tomato) early blight and anthracnose are common diseases of tomato, which occur everywhere and are important diseases harmful to tomato. So what are the symptoms of these diseases? What kind of medicine should I take? How to prevent and cure? Let's learn more about it. Tomato (tomato) morning
2020-11-09 Herbs tomatoes early blight anthrax