دانلود تحقیق آماده در مورد بیماریهای مهم گیاهی با فایل پاورپوینت
Dear friends, we have prepared for you a research on important plant diseases in PowerPoint format and beautiful slides. It is also editable and printable, you can easily change it.
مشخصات تحقیق آماده در مورد بیماریهای مهم گیاهی به شرح زیر می باشد :
- عنوان تحقیق : بیماریهای مهم گیاهی
- فرمت فایل : PowerPoint (.ppt)
- قابلیت ویرایش : دارد
- چاپ : بدون مشکل در پرینت گرفتن
- تعداد اسلاید : 47
اسکرین شات اسلاید های این تحقیق آماده در مورد بیماریهای مهم گیاهی
قسمتی از متن انتخاب شده از داخل فایل پاورپوینتی :
Plant diseases can cause a decrease in yield, a drop in product quality, and in some cases, the complete destruction of the plant. These diseases can be infectious, non-infectious, fungal, bacterial, viral and nematode.
در ادامه، به بررسی برخی از بیماریهای گیاهی مهم و رایج میپردازیم:
1- Season: This fungal disease occurs in many garden and field plants, including wheat, barley, rapeseed, apple and walnut. Its symptoms include brown spots on leaves and stems, white parts of the plant and its complete destruction.
2- Wilting of plants: This bacterial disease occurs in many plants, including tomatoes, potatoes, and cucumbers. Its symptoms include wilting and destruction of the roots, white veins on the leaves and death of the plant.
3- Damages from agricultural pests: These diseases include various pests such as ticks, worms, butterflies and ants that cause damage to the plant.
4- Rust: This fungal disease occurs in many plants, including apples, pears, and peaches. Its symptoms include brown spots on leaves and stems, blackening of parts of the plant and its complete destruction.
بلاست مركبات: Citrus blast
Disease caused by Pseudomonas syringae pv. Syringae is the compound that causes necrotic spots in leaves, petioles and fruits. The dark colored spots on the fruit are also called black pit. Disease symptoms in young foliage are similar to frostbite symptoms.
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شانكر باكتریایی مركبات :
It is caused by the bacterium Xanthomonas axonopodis pv.citri, and it causes scab-like lesions on the fruit and leaves, first watery spots, then slightly prominent corky spots on young branches. It has been reported that there are five strains of this bacterium named A, B, C, D and E. Strain A has more pathogenic power and a wider host range than other strains.
A type of disease in vegetables that has caused problems for gardeners in the southern regions of the country, including Hormozgan, Jiroft, Kerman, Sistan and Baluchistan.
سفیدك حقیقی(پودری) سیب :
The disease is caused by the fungus podosphaera leucotricha. This fungus affects young leaves, flowers and fruits and often causes drying of young branches. It also creates complications on the leaves. Infected flowers shrivel and become fleshy. Pollution is often seen on the paws
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