Deleterious
发表于 2025-3-21 19:53:45
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ligature
发表于 2025-3-21 21:05:54
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subacute
发表于 2025-3-22 00:27:49
The History and Development of Biological Control,ontrol only since about 1890. However, there are antecedent historical events that trace the evolution of some of the fundamental concepts in the development of biological control, and several of these events show the remarkable and perceptive insight of man into the workings of nature. Without thes
gerontocracy
发表于 2025-3-22 06:37:59
Microbial Control of Insects, Weeds, and Plant Pathogens,be “microbial control” agents because of the techniques involved in their utilization. Various types of microorganisms have been used in biological control, among them bacteria, viruses, fungi, and protozoa. The most important groups of microbial agents are discussed in this chapter. In the broadest
endarterectomy
发表于 2025-3-22 08:54:35
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opportune
发表于 2025-3-22 14:41:22
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licence
发表于 2025-3-22 17:38:33
Factors Limiting Success of Introduced Natural Enemies,f the world have been completely or substantially controlled by imported natural enemies (Laing and Hamai, 1976). Despite this gratifying record, most attempts in classical biological control either have met with total failure, or have been only partially successful (Turnbull and Chant, 1961; Turnbu
珐琅
发表于 2025-3-22 22:45:11
Analysis of Classical Biological Control Programs, Some of these have been of minor or localized status, while others have been species of continental distribution and great economic importance. In certain cases success was attained with but modest effort, while in others success came only after elaborate preparation, dogged perseverance over many
musicologist
发表于 2025-3-23 02:38:43
Other Kinds of Pests and Other Biological Methods of Pest Control,tat provides no natural population control, the population of the introduced vertebrate expands dramatically and an artificial means of population control must be implemented, either through harvesting or biological control. Examples of such introductions are: the marine toad, . L., in Australia, th
愚笨
发表于 2025-3-23 08:39:41
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