scholarly journals Yield, Quality, and Storage Characteristics of Onion Cultivars in the Columbia Basin of Washington in 2012–14

2016 ◽  
Vol 26 (2) ◽  
pp. 230-243 ◽  
Author(s):  
Carrie H. Wohleb ◽  
Timothy D. Waters
Keyword(s):  
Allium Cepa ◽  
Good Choice ◽  
Cultivar Differences ◽  
Columbia Basin ◽  
Size Category ◽  
High Incidence ◽  
Yield Quality ◽  
Bacterial Rot ◽  
And Storage ◽  
Storage Characteristics

An onion (Allium cepa) cultivar trial is conducted in the Columbia Basin of Washington every year. The trial helps onion growers, packers, processors, and seed companies compare cultivars and identify those most suited to their operations. This report evaluates 54 onion cultivars that were in the trials 2 years or more from 2012 to 2014. Marketable yields of cultivars averaged 764 to 1314 cwt/acre. ‘TTA-747’, ‘Scout’, ‘SV6672NW’, ‘Montero’, ‘XP07716000’, and ‘SV4058NV’ had the highest yields. All cultivars produced more jumbo-sized (3 to 4 inches) bulbs compared with any other size category, but those with the largest percentages of jumbo bulbs were Utrero, Gunnison, and Sedona. ‘Scorpion’, ‘Ruby Ring’, and ‘Purple Haze’ had the largest percentages of medium (2.25 to 3 inches) bulbs, and ‘Montero’ and ‘Ovation’ had the largest combined percentages of jumbo and colossal (>4 inches) bulbs. Cultivar differences were evident in the 2012 and 2014 trials when many of the onions flowered (bolted). Cultivars averaged 0.0 to 15.5 bolted onions per plot when 2012 and 2014 results were combined. ‘Trekker’, ‘Highlander’, ‘Trailblazer’, ‘Ruby Ring’, ‘NUN8003ON’, and ‘Milestone’ had the fewest bolted onions. Cultivar differences were also apparent when several aspects of bulb quality were evaluated after 4 months in storage. ‘Utrero’, ‘Trekker’, ‘NUN7202ON’, and ‘Tamara’ had the most uniformly shaped bulbs. Bulbs of ‘Crockett’, ‘Legend’, and ‘Utrero’ had the most complete skins. ‘Crockett’, ‘Talon’, ‘Utrero’, ‘Legend’, ‘Gunnison’, and ‘Tamara’ had the firmest bulbs. Only 14 of 54 cultivars averaged more than 74% functionally single-centered bulbs. ‘NUN7202ON’, ‘Arcero’, ‘Joaquin’, and ‘Utrero’ had the largest percentages of bulbs with single centers or small multiple centers. There were more rots caused by bacteria (Enterobacter sp.) in bulbs produced in the 2014 trial than in 2012 and 2013, probably due to a high incidence of internal dry scale in 2014. Incidence of bacterial rot in cultivars was not significantly different in 2014, but there were some cultivar differences in 2012 and 2013. Incidence of fungal neck rot (caused by Botrytis sp.) in these trials was low and there were no significant cultivar differences. The results of these trials demonstrate that many new and advanced experimental cultivars have attributes that could make them a good choice for onion growers in the Columbia Basin.

scholarly journals Postharvest Quality and Storage of Scab-resistant Apple Cultivars

1992 ◽  
Vol 2 (3) ◽  
pp. 352-358 ◽  
Author(s):  
Jennifer R. DeEll ◽  
Robert K. Prange
Keyword(s):  
Storage Conditions ◽  
Storage Life ◽  
Postharvest Quality ◽  
Insect Damage ◽  
Controlled Atmosphere ◽  
Storage Rots ◽  
High Incidence ◽  
Apple Cultivars ◽  
And Storage ◽  
Storage Characteristics

This paper reports preliminary results on the postharvest quality and storage characteristics of several scab-resistant apple cultivars. `Novaspy', `Moira', `Priscilla', `Novamac', `Nova Easygro', `Prima', and `Macfree' were stored for 3 months at 3C in air or standard controlled atmosphere (CA; 4.5% CO2 and 2.5% O2) in 1990 and for 4 months at 0C in air, standard CA, or low-O, CA (LO; 1.5% CO2 and 1.5% O2) in 1991. `Moira', `Prima', and `Priscilla' had very limited storage life. `Moira' was susceptible to bitterpit, scald, core browning, vascular breakdown, and storage rots. `Prima' was susceptible to core browning and vascular breakdown and had a high incidence of storage rots in air storage. `Priscilla' had several defects as a result of insect damage and was susceptible to bitterpit and scald. `Novaspy' stored very well and had virtually no physiological disorders or storage rots. `Novamac, `Nova Easygro', and `Macfree' developed few storage rots and were essentially at the end of their storage life after 4 months, regardless of storage conditions. Firmness in `Novamac' decreased substantially in all storage atmospheres, while `Nova Easygro' and `Macfree' were susceptible to core browning and scald.

scholarly journals Onion Yield, Quality, and Storage Responses to Phosphorus and Potassium on a High-phosphorus, Low-pH Muck Soil: Maybe K, but Hold the P

HortScience ◽  
1997 ◽  
Vol 32 (3) ◽  
pp. 445C-445
Author(s):  
W.B. Evans
Keyword(s):  
Total Yield ◽  
Application Rate ◽  
Low Ph ◽  
Marketable Yield ◽  
Muck Soil ◽  
K Fertilizer ◽  
Yield Quality ◽  
Phosphorus And Potassium ◽  
And Storage ◽  
Storage Characteristics

The influences of preplant, broadcast P and K fertilizer on long-day yellow onion yield, quality, and storage characteristics were evaluated in 1995 and 1996 on a low-pH muck soil in north-central Ohio. Recommendations based on preseason soil tests indicated the crops would benefit from supplemental K, but not P, in 1995 and also in 1996. In both seasons, broadcast P rates were 0, 67, and 138 kg·ha–1 P2O5; K rates were 0, 168 and 336 kg·ha of K2O. The 3 × 3 factorial of P and K treatments was replicated four times. Phosphorus rate did not significantly influence yield or quality in either 1995 or 1996. Total yield, percent marketable yield, and the concentration of K in the bulbs increased linearly with K in 1995, even though the highest K application rate exceeded the rate recommended by soil testing by more than 100 kg·ha–1. Mean bulb size did not differ significantly among K rates. Potassium rate did not affect yield or quality in 1996, a drier year than 1995. After 5 months of commercial storage, onions from all nine treatments harvested in 1995 had similar amounts of rotten or sprouted bulbs, and weight loss. These results support the idea that P applications can be reduced or eliminated on high-P muck soils without reducing yield or quality. Onion response to applied K requires additional study before firm recommendations can be made.

Causal agent of bacterial rot of onion (Allium cepa) bulbs in the Tohoku region of Japan

2019 ◽  
Vol 85 (3) ◽  
pp. 205-210 ◽  
Author(s):  
M. TSUJI ◽  
A. NAGASAKA ◽  
I. KADOTA
Keyword(s):  
Allium Cepa ◽  
Causal Agent ◽  
Bacterial Rot

Effect of potassium, calcium and magnesium on yield, quality, and storage property of banana

2010 ◽  
Vol 18 (2) ◽  
pp. 290-294
Author(s):  
Bao-Mei YANG ◽  
Jin-Quan LI ◽  
Li-Xian YAO ◽  
Guo-Liang LI ◽  
Zhao-Huan HE ◽  
...  
Keyword(s):  
Yield Quality ◽  
Calcium And Magnesium ◽  
And Storage ◽  
Storage Property

scholarly journals Effect of temperature and relative humidity in refrigerator on quality traits and storage characteristics of Pre-packed Hanwoo loin

2014 ◽  
Vol 41 (4) ◽  
pp. 415-424 ◽  
Author(s):  
Kuk-Hwan Seol ◽  
Ki Hyun Kim ◽  
Young Hwa Kim ◽  
Kyung Eun Youm ◽  
Mooha Lee
Keyword(s):  
Relative Humidity ◽  
Effect Of Temperature ◽  
Quality Traits ◽  
And Storage ◽  
Storage Characteristics

scholarly journals Studies on some genotypes for yield, quality and storage in garlic

2014 ◽  
Vol 10 (2) ◽  
pp. 165-169 ◽  
Author(s):  
RK Singh ◽  
BK Dubey ◽  
SR Bhonde
Keyword(s):  
Yield Quality ◽  
And Storage

DOI: http://dx.doi.org/10.3329/sja.v10i2.18337 SAARC J. Agri., 10(2): 165-169 (2012)

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