摘要
针对多年来稻赤斑黑沫蝉在湘西自治州局部发生程度重的情况，研究了稻赤斑黑沫蝉的发生特点及发生规律。结果表明，稻赤斑黑沫蝉在湘西自治州每年发生1代，以卵在土表下越冬，若虫盛发期为5月中下旬，成虫盛发期为6月下旬至8月下旬，卵盛期为9月中下旬。海拔250～500 m处发生程度最重；地头地边发生程度重于中间；周边杂草丛生的田块发生程度重。最后着重提出了以农业防治为基础，结合运用物理防治、生物防治和化学防治的科学、高效的综合治理对策。
The paper investigated the occurrence characteristics and regularity of Callitettix versicolor Fabricius in allusion to the problem of heavy harm caused by Callitettix versicolor Fabricius in some parts of Xiangxi autonomous prefecture. The results showed that it had one generation per year and overwintered at the egg stage under the surface soil; the nymph reached the peak in mid-to-late April, the imagoes reached the peak from late June to late August, and the eggs reached the peak in mid-to-late September. The heaviest damage happened at the elevation of 250～500 m; the edge of field suffered heavier damage than the middle; there was heavier damage in the fields along river or ditch with thick grasses and those surrounded by lush weeds. In the end, a scientific and efficient comprehensive countermeasure is put forward, which is based on agricultural control, and combines with the use of physical, biological and chemical control methods.
出处
《湖南农业科学》
2014年第5期49-51,共3页
Hunan Agricultural Sciences
关键词
水稻
稻赤斑黑沫蝉
发生现状
防治对策
rice
Callitettix versicolor Fabricius
occurrence status
control countermeasures
