How to deal with pests

Macclesfield Express - - LEISURE -

Red spi­der mite These are found on the un­der­side of leaves where a fine web de­vel­ops. They at­tack the fo­liage, caus­ing a mot­tled ap­pear­ance and, in se­vere cases, death of the plant.

They at­tack a wide range of green­house plants in­clud­ing peaches, cu­cum­bers and toma­toes, and many or­na­men­tals in­clud­ing fuch­sias and pelargo­ni­ums. To sup­press red spi­der mite, damp the glasshouse down reg­u­larly dur­ing sum­mer to raise hu­mid­ity. White­fly These are tiny, pure-white in­sects which re­pro­duce quickly, lay­ing white eggs on the un­der­sides of leaves. They suck sap from the leaf un­der­sides of tomato, cu­cum­ber and many or­na­men­tal plants, which can re­sult in stunted growth. They also ex­crete a sug­ary sub­stance called hon­ey­dew which makes the fo­liage sticky. Keep white­fly num­bers down by sus­pend­ing yel­low ad­he­sive strips above the plants. Vine wee­vil Of­ten, you don’t spot vine wee­vil un­til it’s too late, by which time the soil-borne lar­vae will have de­voured the roots of your plants. Cy­cla­men, fuch­sias and prim­u­las are sus­cep­ti­ble. The grubs are creamy white, up to 10mm long and feast on plant roots and tu­bers. Vine wee­vil are hard to de­tect, but keep a look­out for the adults, which are grey bee­tles, about nine mil­lime­tres long, and have a dis­tinc­tive snout.

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