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SKRIPSI PENGARUH KONSENTRASI DAN WAKTU APLIKASI FUNGISIDA IPRODION 50% TERHADAP PENYAKIT BERCAK UNGU (Alternaria porri (Ell.) Cif.) PADA BAWANG PUTIH (Allium sativum L.) VARIETAS LUMBU PUTIH
ABSTRACT
The research about ''The influence of concentration and application time of Iprodion 50% fungicides to the violet spot disease (Alternaria norri Ell Cif ) in the garlie plant "Lumbu Putik" werinty (Allium in.) The 2008n te kraw the accurate of application time sod the concentration of Iprodion SCE fungisides to contral the violet spot disasse in the garlis plant.
The research hare started from Hay 1983 until August 1003 at the Experimentation Field of Agrtoultural Exten alon Academy, Yogyakarta with the height 58 meters Fros the ses level, the soll type was regoool with pl 6,7.
The ressarch method tad an a factoriel dasign with Completely Group Bandas Design consist of the factors se. the fungicides concentration and the application time for Ipendion BOX Fungicide used with four repetitions. The Factor I The Iprodion fungicide concentration SUN (4) numsist of four stagesstration wish I 4/1tr. 4.2. concentration with 1,5/13 tration with 2 g/2tr. 4.4 concentration with 2,5 g/ltr The fauter II The application tine for Iprodiin 500 fungicide (T) consist of three stage 1 start from the 14 day after planted and repented once не until 77 days after planted start from the ss 30 deys after planted and repeated onne aansk until the age 77 days after planted. 73 start from the age 35 daze after planted repusted once for every two weeks until the ags 77 days after planted.
The result shown that the increasing of pratim D concentration frosgit until 2.5g/1t have signifi sant influence to the spot diasane intensity, fresh goclin root and dried garlic root. But there was have not any significant difference to the infection rate of the and tis povere of spot dinsane infection, fresh bondle weight and dried bundla weight. On the centration 3 g/t would have and sacellent influan the the control of spot dissane intensity, fresh rast neighs and dried root weight The application of pedon BOX Fungicide with the differant Lime would have significant influeneed to the Intanatty of spot dinnane, fresh routight dried root weight and fresh bundle weight and dried bandle weight. But these were have not any significant influenced to the disease in faction rate at the avere of the spot disenav intensity. The application Line Zur Iprodion 10t fungialde on the age 14 days after slanted repeated week and for the age 35 days after planted repeated once a week would have not anysignificant influence The two factor soove would have a better influenced in the spot disease infection intensity, the fresh bandle weight. urisd handle weight, fresh rost weight and cris cous weight compared with application time on the age 33 daya afier planted repeated anne fox evezy two weeks. The naed Iprodion 50 fungicids with concentration 2.5 4/1 appliested for the age 25 days after plented rapeated for unce a week seen hore efective and afflclest to central spot dissase compared with the other treatments.
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