SAMPLING STRATEGIES FOR ABOVE AND BELOW GROUND POPULATIONS OF SACCHARICOCCUS SACCHARI (COCKERELL) (HEMIPTERA: PSEUDOCOCCIDAE) ON SUGARCANE

P. J. Barro
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引用次数: 6

Abstract

A flotation method using stubble pieces of sugarcane was more efficient in sampling underground sugarcane mealybugs, Saccharicoccus sacchari than were flotation using stools or cores or the dry probe method using stools, cores or single‐stalk stubble pieces. Above‐ground populations were distributed randomly within a stool. Total number of mealybugs per sample could be estimated from the number of adults per sample.
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甘蔗上、地下糖球菌(半翅目:假球虫科)种群取样策略
甘蔗残茬浮选法比粪便或岩心浮选法和干探针法(粪便、岩心或单茎残茬)浮选法对地下甘蔗粉蚧、糖精球菌的取样效率更高。地上种群随机分布在一个粪便中。每个样本的粉蚧总数可由每个样本的成虫数估计。
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