DAMAGE BY THE MALAYAN BLACK BUG (HETEROPTERA, PENTATOMIDAE) IN RICE

被引:6
作者
MORRILL, WL
SHEPARD, BM
RIDA, GS
PARDUCHO, M
机构
[1] COASTAL RES & EDUC CTR, CHARLESTON, SC 29407 USA
[2] INT RICE RES INST, MANILA 1099, PHILIPPINES
关键词
MALAYIAN BLACK BUG; RICE; LOSS ASSESSMENT;
D O I
10.1093/jee/88.5.1466
中图分类号
Q96 [昆虫学];
学科分类号
摘要
Adult Malayan black bugs, Scotinophara coarctata (F.), are highly mobile, and heavy populations may quickly invade rice fields. Attack of seedling plants reduced plant growth significantly after 1 or more days of feeding. Damage was characterized by desiccation of leaves and plant death, S. coarctata attack of newly emerged panicles significantly reduced the number of filled grains after reaching feeding intensities of 1 or 2 bugs for 4 d and when 4 and 6 bugs fed for 4 or 6 d. The weight of grain per panicle was significantly reduced when 6 bugs fed for 4 or more days.
引用
收藏
页码:1466 / 1468
页数:3
相关论文
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