Cnaphalocrocis medinalis damage
Cnaphalocrocis Cnaphalocrocis medinalis medinalis damage
Cnaphalocrocis medinalis damage
Cnaphalocrocis Cnaphalocrocis medinalis medinalis damage
Cnaphalocrocis medinalis damage
Cnaphalocrocis Cnaphalocrocis medinalis medinalis damage
2)Life Cycle ● 2-8 generations/year in China.2-3 in north areas of Yellow River,3-4 in valley of Yellow River;4-6 in mid-downstream Yangstz River,7-8 in Southern China. Northern limit of overwintering is about 30N.or average 4'C isotherm in Jan
z 2-8 generations/year in China. 2 8 generations/year in China. 2-3 in north 3 in north areas of Yellow River, 3 areas of Yellow River, 3-4 in valley of Yellow 4 in valley of Yellow River; 4-6 in mid 6 in mid-downstream downstream Yangstz Yangstz River, 7 River, 7-8 in Southern China. 8 in Southern China. z Northern limit of Northern limit of overwintering overwintering is about is about 30°N. or average 4 N. or average 4℃ isotherm in Jan. isotherm in Jan. 2) Life Cycle 2) Life Cycle
漠河。 中国一月平均气温 30.9 一月气温 最低的地方是 黑龙江省漠河 镇，那里曾出 现过一52.3℃， 气温（℃ 极萌4℃ 最高气益西现 在海南岛、台 12 湾声却 8 16℃ 0 -12 22.9℃一月平均气温最高值 西沙 -16 22. -20 -24 -30.9℃一月平均气温最低值 28
16 ℃ 4 ℃