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Causes, Symptoms and Control Methods of Sorghum Sheath Blight
What causes sorghum sheath blight? What are its symptoms? How should it be controlled? Let's take a look together. Symptoms: It mainly damages the leaves and the base of the stem. On the leaf sheaths near the ground level, small white-green water-soaked lesions first appear, then expand into oval shapes, with brown margins and lighter centers. Lesions on the leaves appear grayish-green or grayish-white and cloud-like, and most of the lesions merge into a tiger-stripe pattern, causing the entire leaf to wither and die.
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Occurrence of the bamboo mirid bug on crops and its control methods
The bamboo mirid bug is a pest you surely know about. So how do you control it and eliminate its harm to agriculture? Let's take a look below. Currently, chemical control can still effectively control the bamboo mirid bug, but because it is not suitable to apply pesticides during the continuous bamboo shoot harvesting period (April to October)
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Is the garlic return a normal occurrence or an isolated incident? A review of China-South Korea trade frictions
Since the establishment of diplomatic relations between China and South Korea in 1992, the economic and trade cooperation between the two countries has developed rapidly. By the 20th anniversary of the establishment of diplomatic relations, bilateral trade between China and South Korea had grown from 5 billion USD to 256.3 billion USD in 2012, an increase of 50 times. At present, China has become South Korea's largest trading partner, largest export market and largest source of imports, while South Korea is China's third-largest trading partner and fifth-largest source of foreign investment. South Korean President Park Geun-hye said that China-South Korea trade volume could reach 300 billion USD in 2015. On November 10 last year, Chinese President Xi Jinping and South Korean President Park Geun-hye held a meeting in Beijing, and the two sides jointly confirmed the conclusion of substantive negotiations on the China-South Korea Free Trade Area, meaning that China-South Korea trade is about to open a new chapter.
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Grim Situation of Major Pests and Diseases at the Wheat Ear Stage
At present, wheat in the Jianghuai, Huanghuai and other regions has successively entered the booting and heading stages, which is an important period for yield formation and also a critical period for the occurrence and control of pests and diseases. Affected by last year's warm winter, the base number of wheat pests and diseases in some areas is relatively high; recently, continuous rainy weather has appeared in Jianghuai and other areas,
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