Growing Lettuce in Greenhouses |
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... treatments to improve Prevention of infestations__ Precautions in the use of in- germination . 12 Transplanting . 12 Establishing the crop plants . General care of the crop-- 13 223 secticides Aphids --- Caterpillars- Greenhouse ...
... treatments to improve Prevention of infestations__ Precautions in the use of in- germination . 12 Transplanting . 12 Establishing the crop plants . General care of the crop-- 13 223 secticides Aphids --- Caterpillars- Greenhouse ...
Page 12
... treatment will remain effective for several months if the seed is stored in a cool , dry place . A similar treatment with water alone will aid in the germination of most lettuce seed . Dormant lettuce seed can be made to germinate more ...
... treatment will remain effective for several months if the seed is stored in a cool , dry place . A similar treatment with water alone will aid in the germination of most lettuce seed . Dormant lettuce seed can be made to germinate more ...
Page 21
... treatment 2 to 3 times at 2 - week intervals or until satisfactory control is obtained . Malathion may be used in a spray as for aphid control . A 5 - percent TEPP aerosol is effective when applied at the rate of 1 pound of solution per ...
... treatment 2 to 3 times at 2 - week intervals or until satisfactory control is obtained . Malathion may be used in a spray as for aphid control . A 5 - percent TEPP aerosol is effective when applied at the rate of 1 pound of solution per ...
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Common terms and phrases
10-percent parathion 5-percent TEPP aerosol Anthracnose aphid bottom rot caused connection for attachment controlled cover crop of lettuce crop of tomatoes cubic feet dormant lettuce seed Downy Mildew equipment favor feet of greenhouse flats foliage forcing crops friable fungus germinate Grand Rapids Gray mold greenhouse beds greenhouse lettuce greenhouse space greenhouse whitefly ground burned limestone ground limestone growers growing conditions Growing lettuce grown under glass harvest head lettuce header pipe humidity inches in diameter infestation insecticide INTERCROPPING large ranges leaf lettuce in greenhouses lettuce is grown lettuce plants lettuce varieties lime manure moisture Muck nitrate of soda nitrogen organic matter packed parathion aerosol perature phosphorus plant bed plant pests pound of solution Root Knot rotated sclerotia seedlings soil sterilization spray starting the plants steam hose subirrigation suitable sulfate of ammonia temperatures thiourea tipburn tomatoes or cucumbers transplanting tures two-spotted spider mite varieties of lettuce vegetable forcing ventilation