Grow Tubes Change Microclimate and Bush Architecture but Have Little Effect on Bush Biomass Allocation at the End of the Establishment Year in Blueberry

Tarara, Julie M.; Cháves, Bernardo; Strik, Bernadine C.

doi:10.21273/hortsci.49.5.596

Cited by 3 publications

(5 citation statements)

References 39 publications

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“…1) grow tube from spring to fall of the first growing season decreased aboveground (shoot and leaf DW) and belowground (root and crown DW) growth of blueberry plants in all the cultivars studied. All of the grow tubes studied (including the wire mesh) increased the aboveground to belowground DW ratio, in contrast to what was observed by Tarara et al (2014) in blueberry but confirming what has been noted in many tree species (Coutand et al, 2008;Famiani et al, 2007;Mayhead and Boothman, 1997;Sharpe et al, 1999).…”

Section: Discussionsupporting

confidence: 82%

“…In our study, light exposure to the crown likely had the most effect on whip number because there was relatively little effect of the grow tube on temperature of the soil or at the soil-mulch interface (Tarara et al, 2013). Still, it is difficult to separate radiation from temperature effects because these microclimatic variables are coupled (Tarara et al, 2014).…”

Section: Discussionmentioning

confidence: 74%

“…The more prostrate growth of the control plants may have increased flower bud development because vigorously growing upright shoots produce fewer flower buds than slower growing, more horizontal shoots (Strik, personal observation). However, flower bud development was reduced inside the plastic grow tubes because of low light conditions (Tarara et al, 2014). Canopy shading caused by constriction inside the wire mesh tube produced flower bud numbers that were intermediate to those found in the control and plastic grow tubes.…”

Section: Discussionmentioning

confidence: 77%

“…To whom reprint requests should be addressed; e-mail bernadine.strik@oregonstate.edu. tube, but growth increased once plants grew above the tube height (Tarara et al, 2014).…”

mentioning

confidence: 99%

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Grow Tubes Reduce Root and Crown Growth but Not Early Production during Establishment of Highbush Blueberry

Strik¹,

Buller²,

Tarara³

2014

horts

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Grow tubes are sometimes used in blueberry (Vaccinium corymbosum L.) to establish plantings or replace dead plants in older fields. Two experiments were conducted at a commercial farm to evaluate the effect of various grow tubes used during planting establishment of highbush blueberry cultivars. The treatments in the first experiment were cultivar (‘Aurora’, ‘Elliott’, ‘Liberty’) and grow tube treatment (no tube, control; opaque cardboard tube in the first growing season; and opaque plastic tube in the first season or first through the second season). The treatments in the second experiment were cultivar (‘Aurora’, ‘Elliott’, ‘Liberty’, ‘Ozarkblue’) and grow tube treatment (control; translucent plastic; opaque plastic; and wire mesh tube over plants in the first growing season). The presence of a grow tube from spring to fall of the first growing season decreased crown dry weight (DW) by an average of 37% to 50% and root DW by 30% (all except translucent plastic in Expt. 2) and increased the aboveground:belowground DW ratio relative to the control by an average of 34% to 67%, depending on the experiment. Plants grown in tubes were taller, had a narrower canopy, and had fewer whips, likely a response to low light levels inside the tubes; the fewest whips were found in the opaque plastic or cardboard tubes and the most in the translucent plastic tube with an intermediate response in the wire mesh tube. Removal of grow tubes during the summer led to plant damage from sudden sun exposure. The opaque grow tubes (present in Year 1) reduced yield/plant in Year 2 for ‘Elliott’ and ‘Liberty’ (cardboard tube only) but not ‘Aurora’. Pruning plants to allow for limited early fruit production (≈0.6 kg/plant) in Year 2 did not reduce yield in Year 3 (≈2.7 kg/plant). Whereas grow tubes reduced root and crown growth in the first season, there appeared to be no longer-term adverse effect on aboveground plant growth or yield.

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Section: Discussionsupporting

confidence: 82%

Section: Discussionmentioning

confidence: 74%

Section: Discussionmentioning

confidence: 77%

“…To whom reprint requests should be addressed; e-mail bernadine.strik@oregonstate.edu. tube, but growth increased once plants grew above the tube height (Tarara et al, 2014).…”

mentioning

confidence: 99%

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Grow Tubes Reduce Root and Crown Growth but Not Early Production during Establishment of Highbush Blueberry

Strik¹,

Buller²,

Tarara³

2014

horts

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“…This might have been due to higher canopy temperatures with weed mat over sawdust (Table 1). Blueberry plants were taller at the end of the first growing season when they were grown with translucent grow tubes (Tarara et al, 2014), which, much like in the present study, appeared to be due to higher temperatures in the canopy (Tarara et al, 2013(Tarara et al, , 2014.…”

Section: Resultssupporting

confidence: 73%

Individual and Combined Use of Sawdust and Weed Mat Mulch in a New Planting of Northern Highbush Blueberry I. Impacts on Plant Growth and Soil and Canopy Temperature

Strik¹,

Davis²,

Bryla³

et al. 2020

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A 2-year trial was established in Oct. 2016 in western Oregon to evaluate the effects of various in-row mulch treatments on the establishment of northern highbush blueberry (Vaccinium corymbosum L. ‘Duke’). The treatments included douglas fir [Pseudotsuga menziesii (Mirb.) Franco] sawdust, black weed mat (woven polypropylene groundcover), green weed mat, and sawdust covered with black or green weed mat. Soil temperature was unaffected by the color of the weed mat, but it was often higher during the day in beds with weed mat mulch than in those with sawdust alone or sawdust covered with weed mat. Black or green weed mat also resulted in higher canopy temperatures, particularly when sawdust was underneath the weed mat. Plant growth was mainly unaffected by the color of the weed mat, and the maximum depth of the root system was similar among the mulch treatments. However, plants grown with sawdust mulch, with or without weed mat, had a greater canopy width and volume in year 2, a wider root system in both years, and more dry weight (DW) in the crown in year 1 and in the whips in year 2 than those with weed mat alone. Furthermore, plants with weed mat over sawdust were taller in year 1 and had greater canopy cover and more DW in new wood in year 2 than those with sawdust alone, and they had a larger canopy, more root development, and greater DW in the crown, new and old wood, fruit, and pruning wood in one or both years than those with weed mat alone. Over the course of the 2 years of the study, the net gain in total plant DW was lowest when the plants were grown with black weed mat and highest when they were grown with black weed mat over sawdust. Although it was more expensive initially, the use of weed mat over sawdust resulted in more plant growth than weed mat alone due to the insulating properties of the sawdust, and it was more effective for weed control than using sawdust alone.

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Using whole-plant chambers to estimate carbon and water fluxes in field-grown grapevines

Escalona

Pou

Tortosa

et al. 2016

Theor. Exp. Plant Physiol.

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Grow Tubes Change Microclimate and Bush Architecture but Have Little Effect on Bush Biomass Allocation at the End of the Establishment Year in Blueberry

Cited by 3 publications

References 39 publications

Grow Tubes Reduce Root and Crown Growth but Not Early Production during Establishment of Highbush Blueberry

Grow Tubes Reduce Root and Crown Growth but Not Early Production during Establishment of Highbush Blueberry

Individual and Combined Use of Sawdust and Weed Mat Mulch in a New Planting of Northern Highbush Blueberry I. Impacts on Plant Growth and Soil and Canopy Temperature

Using whole-plant chambers to estimate carbon and water fluxes in field-grown grapevines

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