Controlling powdery mildew caused by Sphaerotheca fuliginea in cucumber by foliar sprays of phosphate and potassium salts

Comparative Efficacy of Potassium Salts Against Soil-borne and Air-borne Fungi and Their Ability to Suppress Tomato Wilt and Fruit Rots

“…On the other hand, one pathogen could be inhibited by various salts. These results are consistent with many other reports [17,27,[70][71][72]. In fact, these salts possess wide-spectrum antimicrobial properties and have been demonstrated to inhibit the growth of several fungal pathogens infecting stored fruits, vegetables, and ornamental species [17,[19][20][21][22].…”

“…Reuveni et al, [27] described phosphates as ideal candidates for fungal disease management as they are fast absorbed by the plant, they have high mobility within tissues and have low cost nutrient source. Furthermore, phosphates exhibit antifungal activity through the induction of systemic acquired resistance; thus, providing long-lasting plant protection and are also effective against many fungal pathogens [19].…”

Biological and Chemical Resistance Inducers Approaches for Controlling Foliar Diseases of Some Vegetables under Protected Cultivation System

“…In this concern, salts have been previously studied as foliar applied control agents for powdery mildews on various horticultural crops, e.g. cucumber, grape, nectarine, mango, and rose can be reduced through foliar applications of phosphate and potassium salts [18][19][20][21]. Also, reducing the severity of powdery mildew on E. japonica and pumpkin is achieved by application with potassium bicarbonate [22,23].…”

“…They added that Calcium chloride proved higher efficacy for reducing both disease incidence and severity than that of sodium bicarbonate when applied either alone or combined with Saccharomyces cerevisiae. Induction of local and systemic resistance to powdery mildew in cucumber using phosphate foliar applications [21,25]. Moreover, using calcium administered as plant nutrient has been reported to be important for resistance to bacterial wilt [26] resistance in tomato.…”

Efeito de bicarbonato de potássio sobre a severidade do oídio em plantas de soja

“…A combinação de mais de um método alternativo pode ter efeito aditivo ou sinergístico como foi observado por Ziv & Zitter (26). Dentre os produtos biocompatíveis para o controle de alguns oídios, foi demonstrado que alguns tipos de bicarbonato são eficientes (10,11,17,19,26,27). Também o bicarbonato de potássio é recomendado para o controle de oídio, tendo um produto registrado em diversas partes do mundo, inclusive no Brasil, denominado de Kaligreen ® .…”