The Relationship between the Development of Haustoria of Erysiphe graminis and the Energy Status of Leaves
Powdery mildews are obligate pathogens. The fungus grows externally on leaf tissues and forms haustoria only in host epidermal cells. The haustorium is believed to be the absorptive organ through which the fungus acquires photosynthates for growth. The intimate interface established between fungus and host and subsequent alterations made to the region of the host plasmalemma in direct contact with the haustorium  may aid this function.
KeywordsPowdery Mildew Total Chlorophyll Epidermal Strip Total Carotenoid Concentration Photon Flux Densi
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