湖南茶陵县生姜栽培已有1300多年历史,它与大蒜、.白芷号称“茶陵三宝”。其品质较佳,在国际国内市场上享有盛名。种植面积由50年代前的2000亩左右,发展至现在的4000多亩,但亩产量始终徘徊在1600公斤左右。其低产的一个重要原因是姜瘟病严重。发病后一般减产20—30%,重者达70-8 Chaling County, Hunan ginger cultivation has been more than 1300 years of history, with garlic, Angelica is known as “Chaling Sambo.” Its better quality, renowned in the international and domestic markets. Planting area from the pre-1950s about 2000 acres, development to the present 4,000 acres, but the mu output has always hovered around 1600 kg. An important reason for its low yield is the serious blast of ginger. After the onset of general reduction of 20-30%, severe cases up to 70-8