lettuce plant

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Information about lettuce plant
Education

Published on July 11, 2008

Author: manvendrapayak

Source: authorstream.com

LETTUCE : LETTUCE THE KING OF SALAD BY MANVENDRA SINGH PAYAK M.B.A. - (A&FB) AMITY INSTITUTE OF AGRICULTURE GENERAL DESCRIPTION & DISTRIBUTION : GENERAL DESCRIPTION & DISTRIBUTION IT RULES IN THE MEALS OF PEOPLE THROUGH OUT THE WORLD. IT IS MOST WIDELY USED SALAD CROP IN AMERICA,AUSTRELIA,EUROPE & IN SOUTH AFRICA. ITS POPULARTY INCREASING IN AFRICA,MIDDLE EAST &JAPAN. NOW A DAYS IT IS AVAILABLE WITH HUNDRED OF VARIETIES Slide 3: LETTUCE IS TEMPERATE ANNUAL OR BIENNIAL PLANT MOST OFTEN GROWN AS LEAF VEGETABLE IN SOME COUNTRIES IT IS TYPICALLY EATEN COLD&RAW IN SALAD,HUMBURGERS,TACOS AND MANY OTHER DISHES. IN CHINA LETTUCE IS EATEN COOKED & USE OF STEM IS AS IMPORTANT AS LEAF CLASSIFICATION : CLASSIFICATION KINGDOM - PLANT DIVISION - MAGNOLISPHYTA CLASS - MAGNOLIOPSIDA ORDER - ASTERALES FAMILY - ASTERACEAE GENUS - LETUCA SPECIES - LETTUCE SATIVA HISTORY : HISTORY LETTUCE THAT WE SEE TODAY ACTUALLY STARTED OUT AS A WEED BEFORE 4500 YEARS LETTUCE IS ONE OF THE OLDEST KNOWN VEGETABLE BUT IT WAS KNOWN AS A MEDICINAL PLANT LETTUCE WAS SERVED TO THE PARSIAN ROYALTY OF THE 6th CENTUARY COMMAN GARDEN LETTUCE WAS KNOWN IN CHINA INFORM OF STEM LETTUCE IS NATIVE TO CHINA BY THE16th CENTUARY IT WAS EATEN RAW IN SALAD NUTRITIONAL VALUE : NUTRITIONAL VALUE LETTUCE LOW IN SODIUM VERY LOW IN SATURETED FAT GOOD SOURCE OF PROTIEN THIAMINE, RIBOFLAVIN,CALCIUM, GOOD SOURCE OF DIETRY FIBER RICH IN VIT.C IRON . CULTIVATION PRACTICE : CULTIVATION PRACTICE TEMPRETURE- GROWN IN COOL TEMP.THAT IS 60-70F SOIL-WELL DRAINED ,MEDIUM LOAM OR SANDY LOAM ARE SUITABLE SOWING TIME- NOV. – DEC. OR AS PER THE REGIONAL PRACTICE :  SPACING – ROW TO ROW --- 30cm PLANT TO PLANT----20cm SEED RATE -- 200--- 300 gm/acre SOIL PREPARATION-- DEEP PLOUGHING &HARROWING SEED SOWING -- COVER THE SEED WITH SOIL UPTO 1/2inch FERTILIZER : FERTILIZER FYM :- 8-10 tone/acre FOLLOWED BY HARROWING CHEMICAL FERTILIZER BASAL DOSE :- BEFORE TRASPLANTING 40:50:60 N.P.K. Kg/acre FIRST DOSE :- 15-20 DAYS AFTER TRANSPLANTING 20:50:60 N.P.K. Kg/acre SECOND DOSE : - 20-25 days AFTER TRASPLANTING 20:00:00.N.P.K.Kg/acre TYPES OF LETTUCE : TYPES OF LETTUCE TYPE VARIETIES ROMAINE :- DARK GREEN COS. IDEAL COS. PARRIS ISLAND COS. CRISPHEAD:- SOUTH WAY. ITHACA. GREAT LAKE. Slide 13: BUTTER HEAD;- BUTTER CRUNCH ERMOSA NANCY TANIA BIBB & SALAD BIBB LEAF LETTUCE:- LOLLO ROSSO GREEN ICE SALAD BOWL GRAND REPIDS WEED : WEED COMMAN GRASS WEED:- -BLUE GRASS (POA ANNUA) - ITALIAN RYE GRASS (LOLIUM MULTIFLORUM) BROAD LEAF WEED:- -MUSTERD (BRASSICA SPE.) -HORSE TAIL (EQUISETUM SPE.) -RED ROOT PIG WEED(AMRANTHUS SPE.) WEED CONTROL : WEED CONTROL CULTURAL METHOD :- CROP ROTATION HAND THINING STALE SEED BED METHOD CHEMICAL METHOD :- GLYPHOSATE (0.25-0.5LBS a.i.) PARAQUET (0.47-0.94LBS a.i.) PRONAMIDE (1-2 LBS a.i.) SETHOXYDIM (0.1-0.3 LBS a.i.) INSECTS : INSECTS APHIDS :- This is a insect that cause a stick fluids on leaves commonly called “HONEYDEW” CUTWARM :- these insects eat the leaves stem ARMYWORM AMANTHES C-NIGRUM DISEASE : DISEASE BOLTING:- common problem in lettuce cause flower & seed to grow faster so lettuce taste become bitter. Caused by hot &sunny condition DAMPING OFF :- Mostly in young plant DOWNEY MILDEW :- MOSAIC VIRUS :- CONTROL : CONTROL HARVESTING : HARVESTING Lettuce cut when it is large enough .Leaf lettuce reaches max.size in 50-60 days . Butter head lettuce harvested in 60-70days. STORAGE : STORAGE To store lettuce it should be washed drip dry &placed in a plastic bag in the refrigerator . It keeps best at 32F & 96% humidity Avoid storing with apple or banana It does not respond well to freezing, canning & drying THANK YOU : THANK YOU

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