Table 1. Effect of ReTain on Almond Nut Set
Nuts/LCSA (cm sq)
Location
Variety
Treated
Untreated
% ( + - )
Signif. 1
Chowchilla
Nonpareil Monterey
16.7 39.7 22.0
12.0 31.4 18.6 19.61 17.36 16.43 27.94
39% 26% 18% 26% 42% 41% 65%
***
Kerman
** ** ** ** ** **
Chowchilla Waterford Waterford Patterson Patterson
Carmel
Nonpareil
24.78 24.59 23.19 46.06
Carmel
Padre Butte
1 Data analyzed using a two-sample t-test for statistical differences at the 1% and 5% levels
Use of ReTain Significantly Increased Nut Set in the Above Trials by 18–65% Nut set was evaluated on five varieties in replicated trials. Trees were treated with bloom applications of ReTain at a rate of 333 grams per acre at 100 GPA. ReTain treatments were applied between 20–30% bloom. At each site, single limbs of 30 separate trees were evaluated per treatment. Trees were selected at random to represent the length and width of the respective plot. The amount of nut set was then determined by dividing the number of nuts on an individual limb by the corresponding limb cross sectional area (LCSA).
Graph 2. ReTain Boosts Nut Set for Optimized Yield Potential
Nonpareil (32 sites)
Untreated
2,583 a
ReTain
+185
2,768 b
2,400
2,500
2,600
2,700
2,800
Source: Valent
Yield (nutmeat lb/A)
USE RATE, APPLICATION INFORMATION & PRODUCT PROPERTIES Rate 1 water-soluble pouch/A (333 grams) Application Method Air (fixed wing or helicopter), Ground (air blast sprayer) Timing
From 10% bloom to petal fall (recommended timing: 30–60% bloom)
REI / PHI
12 hours / 0 hours
Rainfastness
8 hours after application
MRLs
No residue restrictions for export markets
Formulation
0.11 lb AI/0.73 lb water-soluble pouch (15% active ingredient)
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Products That Work, From People Who Care is a registered trademark of Valent U.S.A. LLC. ReTain is a registered trademark of Valent BioSciences LLC. ©2021 Valent U.S.A. LLC. All rights reserved. Printed in the U.S.A. 2021-RETCA-2000 10/21
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