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Rizwan Maqbool, David Percival, Qamar Zaman, Tess Astatkie, Sina Adl and Deborah Buszard

are occasionally (1–3 years in a decade) exposed to drought which may significantly reduce berry yield by affecting floral bud development, berry weight, mineralization rates, and fertilizer response. The dynamic nature of interactions among plant and

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Todd L. Mervosh and James A. LaMondia

The effects of terbacil herbicide on strawberry (Fragaria ×ananassa Duch. `Honeoye') yield and black root rot disease were determined in field plots at two locations in Connecticut over 4 years. Terbacil treatments at up to four times the maximum label dosage caused some temporary foliar chlorosis but did not affect the health of structural or perennial roots and associated feeder roots. Development of secondary root growth (perennial roots) was not influenced by terbacil. Terbacil had no effect on the quantity of lesion nematodes [Pratylenchus penetrans (Cobb) Filip & Schur. Stek.] extracted or the amount of the fungal pathogen Rhizoctonia fragariae Husain and McKeen isolated from strawberry roots. At both locations, R. fragariae was common on plant roots by the fourth year. Terbacil treatments did not affect strawberry yields in terms of number or weight of ripe berries per plot. Our results indicate that terbacil does not contribute to black root rot or decreased yields in `Honeoye' strawberry. Chemical name used: 5-chloro-3-(1,1-dimethylethyl)-6-methyl-2,4-(1H,3H)-pyrimidinedione (terbacil).

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Youzhi Chen, John M. Smagula, Walter Litten and Scott Dunham

In a managed field of native Vaccinium angustifolium Ait. clones, the effect of fall foliar sprays of B at 345 g·ha-1 and/or Ca at 3,450 g·ha-1 in remedying tissue deficiency of B varied among 12 clones, as seen in pollen germinability and on individual stems as seen in flower number, fruit set, and number of harvestable berries. With Ca applied alone, increased berry size did not overcome yield reduction due to fewer flowers and berries per stem. Berry diameter and mass correlated better to number of seeds of germinable size than to total number of seeds. Pollen germination averaged 17.4% on stigmata from untreated clones, and all three treatments (B, Ca, B + Ca) increased that average by 8%. More seeds per berry with the B-alone treatment implies more ovules fertilized when B deficiency is remedied. No relation was found between in vitro and in vivo pollen germination.

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Tongyin Li and Guihong Bi

). Berry harvest and data collection. Southern highbush cultivars were evaluated for the date of first harvest, berry yield, single berry weight, and soluble solid content for two growing seasons in 2016 to 2017. Ripe berries were harvested on a weekly

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J.G. Williamson and E.P. Miller

medium fertilizer rate. Because ‘Misty’ and ‘Star’ responded similarly to fertilizer rate and form during 2003 and 2004 with respect to estimated canopy volume and total berry yield, and there were no significant interactions between fertilizer rate and

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Andrew Raymond Jamieson

observed when shoots are young, during flowering, and especially in the fall when the leaves are developing different shades of red. Heterogeneity can also be observed at harvest time, expressed as variability in berry yield, size, and color, which is

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Jialin Yu, Nathan S. Boyd and Zhengfei Guan

management in vegetable crops without reducing productivity. Strawberry. There was no treatment by harvest date interactions in the repeated-measures analysis at either site, and as a result, only total berry yields are presented ( Table 4 ). In general

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Nicole Burkhard, Derek Lynch, David Percival and Mehdi Sharifi

separately for each trial year. Square root transformations were conducted on berry yield and numbers in 2005 and 2006 and on plant canopy volume and weeds biomass in 2006 to satisfy assumptions of normality and constant variance, which were verified using

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Timothy W. Miller, Carl R. Libbey and Brian G. Maupin

flamed PRETR once compared with PRETR + POSTR flaming (4.7 and 3.5 daughters, respectively). Leaf area was less in twice-flamed strawberry than in strawberry flamed PRETR once. Rototilling plots in Iteration 1 resulted in ≈20% lower berry yield and

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Gary S. Bañuelos and Bradley D. Hanson

the two environmental chamber experiments. In fact, the highest application rates of either mustard or canola seed meal applied to the soil significantly lowered berry yields compared with berry yields measured from control treatments ( Tables 2 and