A Proportion Method for Sampling Spittlebug Populations
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چکیده
منابع مشابه
Effects of Inbreeding in Mimulus Guttatus on Tolerance to Herbivory in Natural Environments
Inbreeding, which is common in plants, may increase the vulnerability of populations to natural enemies. Similarly, natural enemies may increase the expression of inbreeding depression in their hosts, resulting in altered selection on host mating-system evolution. To examine effects of inbreeding on tolerance to herbivory, we transplanted experimentally selfand cross-fertilized plants into four...
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Objectives: Study of hidden populations such as Injection Drug Users (IDU) due to their exposing to high risk diseases and their roll in public health is very crucial. Conventional statistical methods for sampling these populations are not applicable because of the restrictions these populations are faced. Despite the introduction of respondent driven sampling as a successful method for samplin...
متن کاملPLANT RESISTANCE Evaluation of Turfgrass Species and Cultivars for Potential Resistance to Twolined Spittlebug (Hemiptera: Cercopidae)
Potential resistance to the twolined spittlebug, Prosapia bicincta (Say), was evaluated among 56 turfgrass genotypes. Greenhouse, laboratory, and Þeld bioassays identiÞed differences in spittlebug survival and development, host preference and damage levels, and turfgrass tolerance to and ability to recover from pest induced injury. All centipede grasses demonstrated high levels of susceptibilit...
متن کاملEvaluation of turfgrass species and cultivars for potential resistance to twolined spittlebug (Hemiptera: Cercopidae).
Potential resistance to the twolined spittlebug, Prosapia bicincta (Say), was evaluated among 56 turfgrass genotypes. Greenhouse, laboratory, and field bioassays identified differences in spittlebug survival and development, host preference and damage levels, and turfgrass tolerance to and ability to recover from pest induced injury. All centipede grasses demonstrated high levels of susceptibil...
متن کاملCROP PROTECTION Infl uence of Mahanarva fi mbriolata (Stål) (Hemiptera: Cercopidae) Injury on the Quality of Cane Juice
Mahanarva fi mbriolata (Stål) is an important pest in Latin America and causes signifi cant reduction in sugarcane productivity. There is no information regarding the effect of this pest on the quality of cane juice used for sugar and alcohol production. This work aimed at evaluating the quality of sugarcane juice from plants attacked by spittlebugs. The experiment was arranged in a completely ...
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تاریخ انتشار 2017