Photosynthetic Assimilation of the Guava (Psidium guajava) cv. Paluma under Different Pruning and Fruit Thinning Intensities

Santos, Adaniel Sousa dos; Pereira, Gustavo Alves; Fonseca, Wéverson Lima; Zuffo, Alan Mario; da Cunha, Jenilton Gomes; Soares, Nemilda Pereira; Morais, Estefenson Marques; Nascimento, Antônio Afonso Sousa do; Santos, Djavan Pinheiro; de Sousa Almeida, Murilo; Aguilera, Jorge González; Morales-Aranibar, Luis; Salcedo, Eliseo Pumacallahui; Chura, Richar Marlon Mollinedo; Contreras, Wilberth Caviedes; Alejo, Roger Ccama

doi:10.3390/agronomy13061610

Cited by 2 publications

(6 citation statements)

References 32 publications

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“…The increase in HI is influenced by an increase in NAR and CGR which is reflected through possitive correlation r= 0.622 and r= 0.284, respectively (Table 3). Food reserves produced through photosynthesis activity will influence the increase in assimilation which is translocated to the permanent sink, namely cucumber fruit (dos Santos et al, 2023;Wang et al, 2014). The results of this study showed that rice husk and cow manure produced higher HI compared to other organic ingredients.…”

Section: Resultsmentioning

confidence: 75%

The Plant Growth Analysis of Cucumis sativus L. Affected by Various Types of Organic Matter

Nasrudin,

Muhammad

2023

JERAMI Indonesian J. Crop Sci.

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Organic matter can be used to increase the growth and metabolism activities of Cucumis sativus L. plants. Plant growth analysis is a simple method that can be used to determine physiological activities that support plant growth. The study aims to describe plant activities through plant growth analysis which is influenced by the use of organic matter. The research was conducted at the Experimental Garden, Faculty of Agriculture, Universitas Perjuangan Tasikmalaya. The study used a Completely Randomized Design - single factor (types of organic matters) i.e. control, rice straw compost, rice husk, leaf green compost, and cow manure. Four replications were used in this study. Based on our study, the application of organic matter significantly affects LAI 2 WAP, LAI 4 WAP, WC 2 WAP, WC 4 WAP, NAR, PGR, and HI. Cow manure, green leaf compost, and rice straw compost can increase LAI, while rice husk, rice straw, and green cow manure can increase WC. Furthermore, the application of rice husk and cow manure was able to increase in NAR, CGR, and HI. The increase NAR, CGR, and HI in this study was positively correlated with r= 0.622 and r= 0.284, respectively.

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Section: Resultsmentioning

confidence: 75%

The Plant Growth Analysis of Cucumis sativus L. Affected by Various Types of Organic Matter

Nasrudin,

Muhammad

2023

JERAMI Indonesian J. Crop Sci.

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“…In tropical regions (e.g., Brazil), guava trees flower and fruit continuously throughout the year due to their wide edaphoclimatic adaptability [9]. However, the adoption of crop management techniques, such as pruning, has become essential for the commercial control of this species [10]. Pruning can maintain medium-sized plants and facilitate the management of crops, favoring and regulating fruit harvest [10,11].…”

Section: Introductionmentioning

confidence: 99%

“…However, the adoption of crop management techniques, such as pruning, has become essential for the commercial control of this species [10]. Pruning can maintain medium-sized plants and facilitate the management of crops, favoring and regulating fruit harvest [10,11].…”

Section: Introductionmentioning

confidence: 99%

“…The process of pruning fruit trees, such as the guava tree, is the cutting and removal of selected parts of a fruit tree, which includes the cutting of branches, sometimes the total removal of smaller branches, and even more shoot and leaf removal. The established practice aims to control growth as a way to identify alterations in the physiology of fruit production, which can generate a greater level of productivity and longevity in the fruit tree [10,12]. However, pruning method efficiency is also crucial, and there are certain restrictions and cooperative practices that can be implemented, such as thinning [10,13].…”

Section: Introductionmentioning

confidence: 99%

“…The established practice aims to control growth as a way to identify alterations in the physiology of fruit production, which can generate a greater level of productivity and longevity in the fruit tree [10,12]. However, pruning method efficiency is also crucial, and there are certain restrictions and cooperative practices that can be implemented, such as thinning [10,13].…”

Section: Introductionmentioning

confidence: 99%

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Pruning and Fruit Thinning of Psidium guajava cv. Paluma under a Seasonal Tropical Climate

Santos,

Dalzot,

Pereira

et al. 2023

Agriculture

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Maintaining the plant architecture of Psidium guajava L. (guava tree) is essential for enhancing capture and distribution in the plant, directly affecting the fruit quality. The lifespan of the harvest period can be extended by proper pruning. Both timeliness and proper pruning play crucial roles in achieving high-quality fruit production and in maintaining a consistent fruit size while stimulating ascorbic acid levels, sugar content, total soluble solids (TSS), and titratable acidity. From this perspective, this study aimed to characterize the influence of different intensities of fruit pruning and thinning on guava trees grown under a seasonal tropical climate in two growing seasons in Currais, Piauí, Brazil. The experiment was set up in a randomized block design with a 3 × 3 × 2 factorial arrangement corresponding to short, medium, and long pruning intensities and 0%, 10%, and 20% thinning intensities during the two growth seasons, respectively. An analysis was performed to discriminate the treatment groups according to the physicochemical variables of the guava tree cv. Paluma and canonical discriminant analysis. There was significant variation in the SS, titratable acidity, ascorbic acid, and pH contents. Cluster analysis of all treatments allowed division into five different groups for the two pruning times. Canonical discriminant analysis showed that the first two canonical variables explained 91% of the total variance. The fruits of the second harvest exhibited a lower level of acidity, higher levels of soluble solids, and higher levels of ascorbic acid contents. In addition, these fruits also obtained better nutrient contents. Short pruning with up to 20% thinning, medium pruning with up to 10%, and long pruning without thinning favored better levels of macronutrients and micronutrients and, consequently, better fruit quality. Medium or long pruning with up to 20% thinning resulted in higher average fruit weights and nutrient contents (especially of Fe and Cu), lower acidity, and higher ascorbic acid contents. Thus, in general, the importance of production pruning in guava plants is evidenced and thinning of 20% is recommended to improve the fruit quality.

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Photosynthetic Assimilation of the Guava (Psidium guajava) cv. Paluma under Different Pruning and Fruit Thinning Intensities

Cited by 2 publications

References 32 publications

The Plant Growth Analysis of Cucumis sativus L. Affected by Various Types of Organic Matter

The Plant Growth Analysis of Cucumis sativus L. Affected by Various Types of Organic Matter

Pruning and Fruit Thinning of Psidium guajava cv. Paluma under a Seasonal Tropical Climate

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