Harmful to tomato leaves, petioles, stems and fruits. In the early stage, the leaves showed faded green dots, followed by irregular patches and white floc. The mildew layer is sparse, densely felt-like, with lesions contiguous or covering the entire leaf surface. Some of them are on the back of the leaves, and their yellow-green edges on the front of the leaves are not obvious, and the posterior leaves turn brown and die. Other parts of the disease, the surface of the disease also produces mildew
Control methods: clean the pastoral. The diseased plants found in the field were immediately cleared and sunburned to reduce the source of field bacteria. After harvesting, we will remove field diseases and weeds in the surrounding areas and deep-buried or incinerated.
Early onset of spraying control: pharmaceuticals can be used 50% carbendazim WP 600-800 times, 10% difenoconazole water dispersible granules 2000 to 3000 times, 15% triadimefon (triadimefon) wettability 1000 times liquid powder. Spray once every 7-10 days, continuous control 2 or 3 times. The above agents can be used in turn to prevent germs from developing drug resistance.
Ginger is the rhizome of the plant Zingiber officinale, consumed whole as a delicacy, medicine, or spice. It is the underground stem of the ginger plant. The ginger plant has a long history of cultivation, having originated in Asia and is grown in India Southeast Asia, West Africa and the Caribbean. The actual name for ginger is Root Ginger. However, it is commonly referred to as ginger, as the meaning is well known. It is used for abdominal bloating, coughing, vomiting, diarrhea, and rheumatism. The most active chemical compounds in ginger are known as the gingerols, which are also the most aromatic compounds in this root. Ginger also contains shogaols, which are formed during the drying process.
Ginger root extract powder is widely used as a digestive adjuvant for mild gastric discomfort and is recommended by professional herbalists to help prevent or treat nausea and vomiting caused by carsickness, pregnancy, etc. It has the functions of strengthening stomach, resisting gastric ulcer, cholagogue, protecting liver, strengthening heart, inhibiting platelet aggregation, preventing fainting, anti-tumor, central inhibition, enhancing immunity, antibacterial, insecticidal and anti-inflammatory, and has strong antioxidant capacity. Used as a food additive; used in the preparation of flavors.
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