Pomegrnte Diseses: Wht we lerned from lst yer nd wht re our plns re for 2017 Achl KC; Xvier KV nd Gry Vlld FPA Grower s Meeting Wimmum, FL 03/03/2017 1
Summry Flower uds Which pthogens did we find? Fungicide trils When nd wht to pply? Wht re the plns for 2017? 2
Smpling Flower uds Ojective: Identifiction of which pthogens re present on the flower uds will help to the determine wether or not to pply fungicides on the eginning of the seson.
Flower uds pthogen identifiction
Flower uds pthogen identifiction Loction Pthogen Recovery (percentge) Alternri DiporthlesAspergillus Botryospherice Colletotrichum Pestlotiopsis None Totl Zolfo Spring 9.5% 32.5% 1.6% 0.0% 8.7% 0.0% 47.6% 126 Hines City 25.1% 17.4% 6.4% 0.9% 6.4% 26.0% 17.9% 235 Suwnee Vlley 0.0% 15.4% 3.8% 7.7% 30.8% 0.0% 42.3% 26 Tifton, GA 2.0% 51.0% 0.0% 44.0% 0.0% 0.0% 3.0% 100 Alm, GA 0.9% 48.1% 0.0% 41.7% 9.3% 0.0% 0.0% 108 Grnd Totl 74 189 18 93 44 61 116 595 12.4% 31.8% 3.0% 15.6% 7.4% 10.3% 19.5% Less thn 20% of the uds hd no fungi on them
Fungicide trils Ojective: To determine efficcy, frequency, nd intervl of Merivon, Lun Experience, nd rottionl ppliction of these with Penncoze for control of folir nd fruit diseses of pomegrnte in 2016.
Fungicide trils Lun Experience (Prrish clendr) vrs. Vikusnyi & Azdi 3/24 4/7 4/21 5/5 5/19 6/2 6/16 7/4 7/14 7/28 8/11 L1 L2 L3 8.5 * 8.5 8.5 8.5 8.5 8.5 8.5 8.5 L4 L5 L6 *rte: oz/cre 17 17 17 8.5 8.5 8.5 8.5 8.5 8.5 7
Fungicide trils Merivon (Prrish clendr) vrs. Wonderful nd Christin 3/24 4/7 4/21 5/5 5/19 6/2 6/16 7/4 7/14 7/28 8/11 M1 M2 M3 7 * 7 7 7 7 7 M4 M5 M6 *rte: oz/cre 14 14 7 7 14 14 8
*rte: Lun Experience nd Merivon oz/cre; Penncoze ls/cre Fungicide trils Rottion Merivon, Lun Experience, nd Penncoze (Prrish clendr) - vrs. Skerdze nd Al Sirin Nr 3/24 4/7 4/21 5/5 5/19 6/2 6/16 7/4 7/14 7/28 8/11 MLP1 MLP2 MLP3 M(7*) L(17) P(6) M(7) P(6) L(17) M(7) L(8.5) P(4) M(7) L(8.5) P(4) M (7) L(17) P(6) M(7) L(17) P(6) MLP4 M (7) L(17) P(6) M(7) L(8.5) P(4) MLP5 MLP6 P M(7) L(8.5) P(4) M(7) L(8.5) P(4) P(4) P(4) P(4) P(4) P(4)
AUDPC Folir diseses Prrish 7 6.5 6 de cd e c cd c c c c c c c c c 5.5 5 Lun Experience Merivon Rottionl Merivon, Lun, Penncoze 1 0
Fruit disese incidence 80 60 40 20 0 Fruit disese incidence (%)100 NS Prrish 6/2/2016 P = 0.09 6/30/2016 * Lun Experience Merivon **Christin less fruit disese Rottionl Merivon, Lun, Penncoze **Al Skerdze less fruit disese 11
Folir diseses Prrish Evlute cross ll vrieties Vriety AUDPC Wonderful 698 A Vikusnyi 534 AB Al Sirin Nr 532 ABC Azdi 496 BC Skerdze 439 BC Christin 395 C Type III Tests of Fixed Effects Effect Num DF Den DF F Vlue Pr > F Trt 1 20.99 75.52 <.0001 vr 5 20.97 4.11 0.0093 Trt*vr 5 20.97 2.99 0.0343 12
Folir diseses Prrish Evlute cross ll vrieties Vriety % Dis. Fruit Wonderful 100 Vikusnyi 100 Al Sirin Nr 13.4 Azdi 58.7 Skerdze 13.3 Christin 54.9 13
Folir diseses Prrish Evlute cross ll vrieties Tests of Effect Slices for TrtN*vrN Sliced By TrtN Trt Num Den DF F Vlue Pr > F DF Cont 5 20.89 5.7 0.0018 mnc 5 21.02 1.36 0.2783 Vriety Non-treted Penncoze Difference Wonderful 1162 419 < 0.0001 Vikusnyi 941 303 < 0.0001 Al Sirin Nr 608 465 0.2315 Azdi 700 352 0.0018 Skerdze 631 305 0.0011 Christin 471 331 0.0795 14
Plnt City nd Dover clendr Lun Experience 3/22 4/5 4/21 5/3 5/17 5/31 6/14 6/28 7/12 7/26 8/9 L1 L2 L3 8.5 * 8.5 8.5 8.5 8.5 8.5 8.5 8.5 L4 L5 L6 *rte: oz/cre 17 17 17 8.5 8.5 8.5 8.5 8.5 8.5 15
Plnt City nd Dover clendr Merivon 3/22 4/5 4/21 5/3 5/17 5/31 6/14 6/28 7/12 7/26 8/9 M1 M2 M3 M4 7 * 7 7 7 7 7 7 7 7 7 M5 14 14 7 7 M6 *rte: oz/cre 14 14 16
Plnt City nd Dover clendr Rottion Merivon, Lun Experience, nd Penncoze 3/22 4/5 4/21 5/3 5/17 5/31 6/14 6/28 7/12 7/26 8/9 MLP1 MLP2 MLP3 M(7*) L(17) P(6) M(7) P(6) L(17) M(7) L(8.5) P(4) M(7) L(8.5) P(4) M (7) L(17) P(6) M(7) L(17) P(6) MLP4 M (7) L(17) P(6) M(7) P(4) L(8.5) MLP5 M(7) L(8.5) P(4) M(7) L(8.5) P(4) MLP6 *rte: Lun Experience nd Merivon oz/cre; Penncoze ls/cre 17
AUDPC Folir diseses Plnt City Angel Red 4500 4000 3500 3000 2500 2000 1500 1000 500 0 c c c c c c c c Lun Experience Merivon Rottionl 18 Merivon, Lun, Penncoze
Fruit diseses 80 60 40 20 0 Fruit disese incidence (%)100 NS Plnt City Angel Red c c c 5/31/2016 6/29/2016* c c Lun Experience Merivon Rottionl Merivon, Lun, Penncoze 19
AUDPC Folir diseses Dover Vietnm / Big Yellow 4500 4000 3500 3000 2500 2000 1500 1000 500 0 c c c c c c c c Lun Experience Merivon Rottionl 20 Merivon, Lun, Penncoze
Fruit disese incidence (%) Fruit diseses 100 80 60 40 20 0 NS Dover Vietnm / Big Yellow 5/31/2016 6/29/2016 * NS NS Lun Experience Merivon Rottionl Merivon, Lun, Penncoze 21
Reserch Plns for 2017 Fungicide trils: Merivon (Fluxpyroxd + Pyrclostroin) Lun Experience (Fluopyrm + Teuconzole) Contcts Biologicls Study of spore dispersl Pthogen survivl in crop deris Test pthogenicity of pomegrnte pthogens on other crops nd vice vers. 22
Acknowledgment Dr. Willim Cstle Cindy Weinstein Mc Teer Frms - Hines City, FL Pcific Tomto Growers Prrish, FL Sutherlnd s Pomegrnte Field - Plnt City, FL Florid Pomegrnte Assocition FDACS Specilty Crop Block Grnt Progrm GCREC Stff nd Tem Vlld 23
Thnk You