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The most troubling grapevine diseases

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There are more than 30 known grape diseases. Among them, sour rot, anthrax and powdery mildew are the most common diseases. If we know more about grape diseases, we can improve grape growing environment, promote grape yield and improve economic benefits.















Grape Sour Rot Sour rot is usually caused by the mixture of acetic acid bacteria, yeasts, fungi, Drosophila larvae and other microorganisms. It is a serious disease that can reduce grape yield by 30%-80%.Symptom There are rotten grapes, if it is bagged grapes, under the bags there is a dark moist, while there are vinegar flies around the rotten ears, emitting acetic acid taste. White maggots can be seen in the rotten fruit. As the rotten juice flows out, the place where the juice flows will rot. Site of occurrence:Fruit Occurrence stage:After grape sealing→When grapes are colored Best prevention time:Staining to Maturity Grape Powdery Mildew It is a common disease of many plant species and belongs to the fungal disease of the genus Leptospi…

What’s symptoms of Grape leaf roll disease ?

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Grape leafroll Diseases Grape leafroll disease is a common virus disease in grape production, which is widely spread. Grape leaf roll disease has semi-latent characteristics. It does not show symptoms in most growing seasons. Most Eurasian plants show symptoms only at fruit ripening stage. Leaf symptoms were most obvious from harvest to deciduous stage. Leaf margins were rolled back, veins became yellow or red, only the main veins remained green, while some varieties gradually withered and browned. The disease is harmful and can reduce grape yield by 20%-50%.








Disease manifestation The symptoms of grape leaf roll disease vary with environmental conditions and time. The symptoms of grape leaf roll disease vary according to environmental conditions and at different times of the year.


Transmission pathway Grape leaf roll virus is mainly transmitted through seedlings, scions and cuttings. Cause of disease Grape leaf roll disease is mainly transmitted by artificial cultivation activities. …

Discount for natural triacontanol products on sale

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What's Triacontanol ?Triacontanol is a plant growth regulator for many plants.It can be used as photosynthesis enhancer.As we know,photosynthesis is the most important life activities,most of the plants energy come from photosythesis.

When applied on plants, it can significantly increases the amount of chlorophyll in leaves, thereby improving the rate of photosynthesis.It can also increase the rate of cell growth,nitrogen fixation,enzymes activities,free aminoacids, reducing sugars,and soluble protein of plants.

After using triacontanol,it increases crop's resistance ability and reduce the use of triditional pesticide.Finally help crops have a good promote on yields and quality.Suitable for various of vegetables,fruits and other crops...











Advangages  of Triacontanol


Stimulate formation of bud,flowers and plant branching.Increase photosynthesis and plant metabolism. Stimulate cell growth,build healthy root system, thicken plant’s foliage and flowers.Make stem and root stronger and h…

How to deal with root knot nematodes in tomato farm

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Target CropsTomato vegetables, peppers,  carrots and lots of other vegetable crops. Tomato vegetables are moderately prone to root knot nematodes. Where to find All over the world, in warm temperate climates Brief infoRoot knot nematodes are small eelworms living in soil and be plant parasites once they use tomato roots as their nurseries. Usually nematodes enter tomato roots through plant’s small injuries.With the increase of number of nematodes, healthy plant’s roots are destroyed, and twisty galls to take their place. Bad influencePlants grow progressively, in erratic spurts, and they’re dwarfed wide. In situation you uncover a troubled tomato, numerous swellings and galls are apparent within the roots. Because root knot nematodes don’t move for long distance within the soil without farmer’s help, neighboring plants might be infected while individuals inside the finish within the row stay healthy. How to preventTomato vegetables and peppers are moderately prone to root knot nematodes, …

Use chitosan oligosaccharide on Oragne farm in China

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Dora Rootguard trichoderma prevent plant diseases and increase root deve...

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Most effective tips to deal with powdery mildew on grape

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If you grow grapes,you may reaching to see a white powdery substance on the grape leaves.It’s the grape powdery mildew. Especally in main grapevine growing area such as Americas,Europe and Australia.
The disease seems as a whitish-gray powdery coating on the leaves or fruit caused by plant mycelium and conidia on the surface of the plant. On leaves, initial symptoms seem as chlorotic spots on the leaf surface that presently become whitish lesions.
While this can be common,it’s a disease which will injury your grape plants and your crop if left untreated.
Manual managementDisease development is powerfully favored by high humidness and cloudy weather, additionally to comparatively heat temperatures.
Manual management of powdery mildew helps prevent the disease from overwintering in bark crevices and also the spread of current infections. powdery mildew infects leaves, shoots, bark and developing fruit on grapevines, releasing spores in spring throughout heat, wet conditions. Removing morbid …