Insects attack citrus trees in Al- Qalyubiyah Governorate, Eygypt

Species of Colletotrichum associated with citrus trees in Iran

Colletotrichum species are associated with citrus plants as pathogens, saprobes and endophytes. According to the most recent multigene phylogenetic analysis, a lot of changes were happened in the taxonomy and species delimitation in the genus Colletotrichum. In this investigation, 292 Colletotrichum isolates were obtained from leaves, fruits and stems of Citrus species at Golestan, Mazandaran, ...

Causal Agents of Citrus Trees Decline in Fars Province

Abbasi Domshahri M. and Ghaderi R. 2019. Causal agents of citrus trees decline in Fars province . Plant Pathology Science 8(1):15-23. DOI: 10.2982/PPS.8.1.15.  During recent years, citrus trees decline has becoming one of the most important factors of limiting the area of citrus orchards in the south of Iran including Fars province. Different biotic and abiotic agents were attributed to citr...

Foundations of Attack Trees

Attack trees have found their way to practice because they have proved to be an intuitive aid in threat analysis. Despite, or perhaps thanks to, their apparent simplicity, they have not yet been provided with an unambiguous semantics. We argue that such a formal interpretation is indispensable to precisely understand how attack trees can be manipulated during construction and analysis. We provi...

Attack-Defense Trees

Toxicity of fruit fly baits to beneficial insects in citrus.

Two fruit fly baits, Nu-Lure/malathion and GF-120 (Spinosad) were evaluated in the laboratory for non-target impacts on beneficial insects. Nu-Lure/malathion proved attractive and toxic to adults and larvae of the coccinellid species, Curinus coeruleus Mulsant, Cycloneda sanguinea L. and Harmonia axyridis Pallas, a lacewing species, Chrysoperla rufilabris Burmeister. The coccinellids Olla v-nig...