Pleasant Grove Review | 1935-08-02 | Page 1 | Warning to Onion Growers

faming To Onion Growers n.rk agricu"ltural instructor -Wnt Grove High School, ' nion growers that practically .'' flelds show Infestation of i r'Sn thrlps is a very small : .insect, pale brown In color, u first noticed because Minute whitish spots which it ' the tips of the .foliage after ". away Part of leaf sur" feeding- In serious infesta-'3 infesta-'3 tops of the onions become rhite afterwards turning T1; and dying- At such times Vtm . X J '-if examined, may be seen to .:ed with thrips. - may be fairly well controll-' controll-' Wng with nicotine at the ...juee-fourths of a pint of a I'tJnt solution to 50 gallons of ''in which 4 pounds of soap has S olved. Use a high-pressure ' and hold the nozzle close to Pn 'rs as thrips often feed and protected in the leaf sheaths leases.