ReTain® PGR Maintains Post-Harvest Fruit Quality ReTain® Plant Growth Regulator Soluble Powder contains AVG, which temporarily inhibits the production of ethylene and slows the fruit maturation process to minimize fruit drop and maximizes marketable yield. In addition to traditional harvest management benefits, ReTain also maintains post-harvest fruit quality and reduces disorders in storage for improved packout and marketability. | Apples—Post-Harvest & Storage Benefits |
Pre-Harvest Benefits: Drop control Extends the harvest window and provides more flexible labor management Maintains fruit firmness Reduces cracking, watercore, skin greasiness and bleeding
Post-Harvest Benefits: Reduces stem-end flesh browning Maintains fruit firmness Reduces skin greasiness and waxiness Improves packout
20
Harvest + 5 months Harvest + 9 months
ReTain Preserves Fruit Firmness
17
17
17
17
16
ReTain Reduces Stem-End Flesh Browning ReTain reduces stem-end flesh browning while in long-term CA (Controlled Atmosphere) storage. ReTain was especially effective when used at the 21-day mark and again 7 days before harvest. Apple variety = Gala DBH = Days Before Harvest Source: C. Watkins, Cornell, Ithaca, NY ReTain maintains the fruit firmness at harvest during long-term storage. ReTain was most effective when used 21 days before harvest and again 7 days before harvest. Apple variety = Gala DBH = Days Before Harvest Source: C. Watkins, Cornell, Ithaca, NY
15
15
15
14
10
5
Untreated
ReTain ½ pouch 21 DBH
ReTain ½ pouch 21 DBH + 7 DBH
ReTain 1 pouch 7 DBH
100
Harvest + 5 months Harvest + 9 months
93
73
75
63
50
42
28
25
14
13
8
0
Untreated
ReTain ½ pouch 21 DBH
ReTain ½ pouch 21 DBH + 7 DBH
ReTain 1 pouch 7 DBH
222
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