Influences of plant density and fruit thinning on watermelon hybrid production cultivated in different seasons

Campos, Antônio Marcos D; Luz, José Magno Queiróz; Santana, Denise Garcia de; Marquez, Guilherme Repeza

doi:10.1590/s0102-053620190408

Cited by 3 publications

(2 citation statements)

References 19 publications

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“…The number of stem per plant contributes to plant density, which affects distribu tion and utilization of soil nutrients and solar energy (Rahmatian et al, 2014). According to Campos et al (2019), efficient solar radiation and production of photoassimilates are the important prerequisites for optimum watermelon production. The number of vines per plant also affects the root volume and plant vigour, which in turn influences water and nutrients' uptake and availability.…”

Section: Discussionmentioning

confidence: 99%

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Effect of vine and fruit pruning on yield attributes of two watermelon (Citrullus lanatus) cultivars

et al. 2021

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This study was carried out to determine the effect of vine and fruit pruning on watermelon (Citrullus lanatus) yield. Five pruning methods: P1=no pruning at all, P2=pruning to four vines with two fruits per vine, P3=pruning to four vines with one fruit per vine, P4=pruning to three vines with two fruits per vine and P5=pruning to three vines with one fruit per vine were evaluated on two watermelon cultivars: ‘Sugar baby’ and ‘Julie F1’ under a factorial randomized complete block design with three replications. Investigations were carried out in the seasons 2017A (short rains) and 2017B (long rains) at Karama and Rubona experimental sites belonging to Rwanda Agriculture and Animal Resources Development Board. The obtained results indicated a significant difference among the different cultivars and pruning methods tested during both seasons and at two sites. Generally, all studied parameters recorded higher values during season 2017B than in season 2017A at Rubona site. A similar trend was recorded at Karama site except that the fruit yield per plant and per hectare for plants which were pruned to three vines with one fruit reduced during season 2017B as compared to season 2017A. The highest number of fruits per plant, fruit weight, fruit yield per plant and per hectare was recorded in ‘Julie F1’ compared to ‘Sugar baby’ at both sites and during both seasons. Higher fruit weight was obtained when both cultivars were pruned to three or four vines with one fruit per vine. Higher number of fruits per plant and higher fruit yield per plant was observed under pruning to four vines with two fruits per vine at Rubona site; while at Karama site, higher fruit yield per plant was recorded under pruning to three vines with one fruit or two fruits per vines and pruning to four vines with two fruits per vine. A similar trend was observed in fruit yield per hectare. Based on results of the current study, cultivation of the hybrid ‘Julie F1’ and pruning to three vines with one fruit per vine is recommended for optimum watermelon yield with big-sized fruits.

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Section: Discussionmentioning

confidence: 99%

“…Therefore, due con sideration given to these aspects of cucurbit manage ment is of utmost importance. In cucurbits, regula tion of number of vines per plant and fruits per vine can be achieved through different methods including vine and fruit pruning (Campos et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Effect of vine and fruit pruning on yield attributes of two watermelon (Citrullus lanatus) cultivars

et al. 2021

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Growth and Yield of Eggplant ‘TNA-114’ as Affected by Planting Density and Coir Substrate Volume in Hydroponics

Lee,

Park,

Choi

et al. 2024

J. Bio-Env. Con.

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The Characteristics of Small-Sized Watermelons in Quality and Yield according to Planting Density, Stem Number, and Node Number of Fruit-Setting

Kim,

Jeon,

Yun

et al. 2023

HST

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There is a rapid change in the preference of watermelons from large-sized ones (6 kg or more) to small-sized ones (2 -4 kg), however research on the cultivation techniques for small-sized watermelons is insufficient. In order to cultivate high-quality small-sized watermelons, this study was done to ascertain the planting density, stem number, and node number of fruit-setting methods. The 'Banjeonmaeryuk', a long and elliptical small-sized watermelon variety that grown in South Korea was grafted to 'Bullojangsaeng (Lagenaria siceraria Standley)' with its characteristics in growth, development and yield analyzed according to plant density and stem number. The results showed that the group cultivated at 1,333 plants/10a, three stem training sessions in planting density, and 130 leaves made a 2.6% increase in the marketable rate and 4.5% in the amount than the group cultivated at four stems under the same transplanting distance with the same fruit weight at 3.4 kg. As for the fruitsetting node order of small-sized watermelons, when two pieces of fruit were set in the third female flower (fruit-setting node: 19 -20) of the second stem of three, it recorded an 85% fruit-setting rate, 11.5°Brix of sugar content, and 16 -20 more in amount than other fruit-setting methods. In addition, the study examined three varieties of small-sized watermelons in fruit quality and amount to test the productivity of cultivation techniques for small-sized watermelons and found that one fruit per stem recorded as high as 97.5% average fruit-setting rate, an average fruit weight of 3.2 kg, and that two fruits per stem recorded 35.4 -82.6% fruit-setting rate, which shows big differences among the different varieties. When two pieces of fruit were set per stem, the resulting fruit weight dropped down to an average of 1.8 kg. The three varieties recorded an average yield of 4,559 kg/10a, and a high sugar content of 11.6°Brix. These findings indicate that one can cultivate high-quality small-sized watermelons in large amounts by setting the transplanting distance at 30 cm, training three stems, and setting two pieces of fruit in the third female flower at the same time.

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Influences of plant density and fruit thinning on watermelon hybrid production cultivated in different seasons

Cited by 3 publications

References 19 publications

Effect of vine and fruit pruning on yield attributes of two watermelon (Citrullus lanatus) cultivars

Effect of vine and fruit pruning on yield attributes of two watermelon (Citrullus lanatus) cultivars

Growth and Yield of Eggplant ‘TNA-114’ as Affected by Planting Density and Coir Substrate Volume in Hydroponics

The Characteristics of Small-Sized Watermelons in Quality and Yield according to Planting Density, Stem Number, and Node Number of Fruit-Setting

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