句容市推广种植的水稻武运粳七号品种，近年来，在后期发现部分田块稻穗发育不正常，表现为稻穗比正常穗的穗头少，枝梗少，籽粒不及正常籽粒的一半，颖壳开裂，米粒外露，发黑，发黄，穗直挺上翘，俗称“翘穗头”。有的是整穴发生，有的是部分穗发生，有的一个穗子上半截发生， In recent years, some rice fields in paddy field developed abnormally in Jurong City, which is characterized by lower panicles than normal panicles, few branches and stems, less seeds than normal ones Half cracked, cracked rice, rice exposed, black, yellow, spike upright Alice, commonly known as “Alice head ”. Some are the whole point occurred, some are spike occurred, and some spike occurred in the upper half,