Pollen Viability of Selected Diploid Watermelon Pollenizer Cultivars

Freeman, Josh H.; Olson, Stephen M.; Kabelka, Eileen A.

doi:10.21273/hortsci.43.1.274

Cited by 5 publications

(4 citation statements)

References 12 publications

(17 reference statements)

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“…Regarding pollen germination results, Gök et al (2007) had similar results, their results being 70% on average. Pollen viability results per flower are higher than those of McGregor & Waters (2013), their average being 80%, but Gök et al (2007) and Freeman et al (2008) got similar results comparing our study (average 90% and 97%).…”

Section: Pollen Developmentsupporting

confidence: 80%

Effects of Cucurbita, Lagenaria and Citrullus rootstocks on pollen and fruit characters, seed yield and quality of F1 hybrid watermelon

Aras¹,

Sarı

Solmaz

2022

International Journal of Agriculture Environment and Food Sciences

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In the study, two commercial Cucurbita maxima×Cucurbita moschata hybrid (Nun9075 and TZ148), Lagenaria spp. hybrid (Argentario) and one local Lagenaria spp. genotype (3335) and one Citrullus amarus genotype (PI 296341) were used as rootstocks. The male and female parents of two watermelon hybrids (187×125 and 11×162) were used as scions. Ungrafted plants formed the control group and also each parent was grafted on itself. Male parents were used for pollen measurements. Fruit weight, fruit height, fruit diameter, fruit rind thickness, total soluble solid content, total number of seeds, total seed weight and 1000 seeds’ weight and seed vigor tests were carried out in fruits of female parents crossed with male parents grafted onto the same rootstock. According to results of this study, the highest pollen production was obtained from Argentario while in terms of pollen germination and pollen viability there was no difference between applications in general. It was determined that grafting on Argentario and 3335 rootstocks increased fruit height, fruit diameter, fruit rind thickness, and the amount of total soluble solid, and the best performing rootstocks in terms of fruit weight were found to be Argentario, 3335, TZ148 and NUN9075. The highest seed number, seed weight and 1000 seeds weight were obtained from those grafted on TZ148 and NUN9075 rootstocks. Although variable results were obtained in terms of early germination, there was no rootstock that came to the fore in general. There was no difference between the rootstocks regarding accelerated aging test and controlled deterioration test.

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Section: Pollen Developmentsupporting

confidence: 80%

Effects of Cucurbita, Lagenaria and Citrullus rootstocks on pollen and fruit characters, seed yield and quality of F1 hybrid watermelon

Aras¹,

Sarı

Solmaz

2022

International Journal of Agriculture Environment and Food Sciences

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“…Although a cultigen may have higher quantities of staminate flowers per plant compared with other cultigens, the higher number of staminate flowers may not coincide with a high quantity of pollen (Stanghellini and Schultheis, 2005). Freeman et al (2008) found no variability in pollen viability of diploid watermelon pollenizers. Thus, pollen production and not viability most likely has greater influence on triploid fruit set.…”

Section: Resultsmentioning

confidence: 83%

Maximum Potential Vegetative and Floral Production and Fruit Characteristics of Watermelon Pollenizers

Dittmar¹,

Monks²,

Schultheis³

2009

horts

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Triploid (seedless) watermelon [Citrullus lanatus (Thunb.) Matsum. and Nak.] pollen is nonviable; thus, diploid (pollenizer) watermelon cultigens are required to supply viable pollen for triploid watermelon fruit set. The objective of this research was to characterize maximum potential vegetative growth, staminate and pistillate flower production over time, and measure exterior and interior fruit characteristics of pollenizer cultigens. Sixteen commercially available and numbered line (hereafter collectively referred to as cultigens) pollenizer and two triploid cultigens were evaluated in 2005 and 2006 at Clayton, NC. Vegetative growth was measured using vine and internode length, and staminate and pistillate flower development was counted weekly. Fruit quality and quantity were determined by measuring individual fruit weights, soluble solids, and rind thickness. Based on vegetative growth, pollenizer cultigens were placed into two distinct groups.

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“…In the study of Gok et al (2005), 45 watermelon genotypes were evaluated and the highest pollen viability rates were determined as 97.40% and 97.36% while the lowest were 49.65% and 61.08% and between Furthermore, 89.43%-88.23%, pollen germination rates were found to be the highest, and the lowest were ranged between 19.62%-20.22%. Freeman et al (2008), reported that pollen germination rates in diploid watermelons was in range of 97% and 99.2%.…”

Section: Resultsmentioning

confidence: 99%

Comparison on flower, fruit and seed characteristics of tetraploid and diploid watermelons (Citrullus lanatus Thunb. Matsum. and Nakai)

Adıgüzel

Solmaz

Karabıyık

et al. 2022

International Journal of Agriculture Environment and Food Sciences

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In this study, the characteristics of tetraploid and diploid watermelon’s flowers, fruits, and seeds were examined, and their differences were investigated. As plant material, tetraploid ST101 and ST82; diploid WL92, WL124, WL134, WL216, WL259-B and WL235 were used. Flower (pollen viability, pollen germination, number of anthers and number of pollen per anther and flower); fruit (weight, length, diameter, rind thickness and TSS) and seed (weight of 1000 seed, length, width, thickness, full seed number, seed yield, embryo/seed ratio, germination and emergence) parameters were investigated. In terms of pollen parameters, diploid watermelon has a higher value than tetraploid watermelon. According to research results, average pollen germination was found to be in diploid watermelons at 74.48% and tetraploid watermelons at 71.62%. Pollen viability was determined highest in WL 235 (95.53%). In fruit parameters, tetraploid watermelons had higher values, but fruit length decreased (diploid 19.32 cm; tetraploid 15.33 cm) significantly. Considering the average values of tetraploid watermelons, a significant decrease occurred in terms of seed germination, full seed number, seed yield and embryo/seed ratio (57.22%, 225.48 seed, 6.33 g/fruit, 57.51% respectively in diploids; 37.31%, 57.67 seed, 4.90 g/fruit, 46.42% in tetraploid), and no difference observed in other seed parameters.

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Pollen Viability of Selected Diploid Watermelon Pollenizer Cultivars

Cited by 5 publications

References 12 publications

Effects of Cucurbita, Lagenaria and Citrullus rootstocks on pollen and fruit characters, seed yield and quality of F1 hybrid watermelon

Effects of Cucurbita, Lagenaria and Citrullus rootstocks on pollen and fruit characters, seed yield and quality of F1 hybrid watermelon

Maximum Potential Vegetative and Floral Production and Fruit Characteristics of Watermelon Pollenizers

Comparison on flower, fruit and seed characteristics of tetraploid and diploid watermelons (Citrullus lanatus Thunb. Matsum. and Nakai)

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