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大草蔻,即艳山姜(Alpinia speciosa(Wendl.)K.Schum.),系近年引入我所的南方药材之一,开花结果后发现果实炭疽病为害严重。为了解决这一病害,笔者对该病的发生发展情况作了一些观察,现将结果小结如下。一、为害情况大草蔻炭疽病主要为害果实,特别在果实已充分长大,即将由青转黄时特别严重。1985年我们定点观察7个果穗,其中4个果穗受害,占57·14%。84只果实,51只发病,占果数的60.7%。更严重的是受害果除果皮腐烂干瘪外,病菌侵入果实内部,使种子发烂变霉,
The big nutmeg, Alpinia speciosa (Wendl.) K. Schumm., Is one of the southern herbs introduced to me in recent years and is found to have serious anthracnose damage in fruit after flowering. In order to solve this disease, the author made some observations on the occurrence and development of the disease, the results are summarized as follows. First, the damage situation Herb Chamomile is the main fruit damage, especially in the fruit has been fully grown, the green is about to turn particularly serious. In 1985, we fixed-point observation of seven ears, of which four ears affected, accounting for 57.14%. 84 fruits, 51 diseases, accounting for 60.7% of the fruit. More serious is the victim fruit except skin rot rotten, the bacteria invade the interior of the fruit, so that rotten seeds become moldy,