Predatory mites control red spider on Strawberry

2022-07-13 17:45

(1) cleaning the garden: in strawberry planting 10-20 days before, will be planted Strawberry Garden filled with water (water to soil surface 5 - 10 cm) of anaerobic treatment, to kill soil spider mites, thrips and whitefly pests and mites, at the same time per mu uniform broadcast 0.5kg lime disinfection.


(2) application married to send medicine: Strawberry colonization before to strawberry seedlings were sprayed with 1 acaricides (married to send medicine) reduce the strawberry seedlings of red spider, thrips and whiteflies etc. pests and mites base.


(3), release of predatory mites number: for the first time in strawberry seedlings planting survival after 20 days, generally with per mu of 5-10 bottle, second in the colonization of 50 days per mu bottle 10 - 15 bottles, for the third time in colonization after 80 days per bottle of 15 - 20 bottles, the fourth time according to the field situation before making a decision.


(4), release of predatory mites method: buy 10 pounds of wheat bran, 15 - 20 bottles of predatory mites (25000 per bottle) uniform gently into the stirring, and then walked applicator in a leaf of each plant strawberries. An average of 10 - 15 can only achieve control of spider mites, predatory mites, thrips tabaci per plant to strawberry.


(5), supporting measures: the release of predatory mites found in the field of spider number is more, should take the more heavy leaf out unified into the woven bag out of the shed and buried. Use during the encounter other disease and insect pests, a selection of matrine, azadirachtin, thiamethoxam, spirodiclofen, Nong Wei, Tiansi state, Qi Chan and other biological pesticide, with the use of traps, baited insecticides, bacteria effect is better.