The need to assess genetic variability and trait associations in indeterminate tomato genotypes

The gap

Evidence profile

Sourced from the conclusions and future-work section and stated research gap and abstract of the source papers, classified as general, drawn from work published between 2024 and 2026, spanning 7 journals. Those papers have been cited 14 times in total.

Supporting evidence — 8 representative gaps

• Harnessing foliar-applied melatonin to improve yield and stress tolerance in tomato (Solanum lycopersicum L.) under deficit irrigation (2026) · Frontiers in Plant Science · doi

  While this study demonstrates clear benefits for the ‘Alisa’ cultivar, further research is needed to evaluate the cultivar- dependent variability in MT responsiveness across the diverse genetic spectrum of tomato. In addition, further research is needed to elucidate the specific molecular and metabolic pathways under- lying in MT-mediated drought tolerance and to explore its integration with plant nutrition strategies for sustainable crop management.

  generalconclusions
  Keywords: cultivar further needed demonstrates clear bene alisa evaluate dependent variability responsiveness across diverse genetic spectrum
• Exploring genetic variability, heritability and genetic advance in hybrids of tomato in Trans-Gangetic Plains region (2026) · Plant Science Today · doi

  Future research should focus on multi-location trials to validate the stability of these traits across environments, as well as the integration of molecular markers to support selection and accelerate genetic improvement in tomato.

  generalconclusions
  Keywords: future focus multi location trials validate stability traits across environments well integration molecular markers support
• Genetic dissection of cold stress tolerance and yield potential under cold stress in nested synthetic wheat (Triticum aestivum L.) introgression libraries using multi-locus genome-wide association and haplotype analysis (2026) · Functional & Integrative Genomics · doi

  Further study is needed to validate the identified genetic factors and to develop cultivars with improved cold stress tolerance and yield potential. The use of genome-wide association and haplotype analysis can be applied to other crops to improve their stress tolerance and yield potential.

  generalfuture-work sectionevidence 5/5
  Keywords: further study needed validate identified genetic factors develop
• Genetic Variability, Trait Association, and Multi-Trait Selection of New Indeterminate Tomato Genotypes Under Protected Cultivation (2026) · Plants · doi

  There is a need to assess genetic variability and trait associations in indeterminate tomato genotypes. There is a need to identify superior genotypes for improved productivity in tomato cultivation.

  generalstated research gapevidence 5/5
  Keywords: there need assess genetic variability trait associations indeterminate
• Lactic acid bacteria priming of antioxidant defense systems mitigates oxidative damage and preserves postharvest quality in tomato under drought stress (2026) · Scientific Reports · doi

  The postharvest integrity of tomato fruits is severely compromised by abiotic stresses, particularly drought. There is a need for sustainable and 'green' frameworks to enhance the economic value and nutritional longevity of horticultural crops.

  generalstated research gapevidence 5/5
  Keywords: postharvest integrity tomato fruits severely compromised abiotic stresses
• Biochar coupled with KNO3 improves tomato yield and quality by modulating photosynthesis, nitrogen metabolism and antioxidant defense (2026) · Plant Physiology and Biochemistry · doi

  Biochar and potassium nutrition (KNO 3 ) can improve plant drought tolerance; however, the regulatory mechanisms underlying their combined application in alleviating drought-induced damage in tomatoes remain unclear.

  generalabstractevidence 5/5
  Keywords: drought biochar potassium nutrition improve plant tolerance regulatory mechanisms underlying combined application alleviating induced damage
• Study of regulated deficit irrigation regime based on individual fruit weight and quality response to water deficit duration: A case study in tomato (2024) · Agricultural Water Management · cited 14× · doi

  However, for tomato, which has prolonged flowering period and whose yield and quality are both sensitive to water deficit and salt stress, RDI regime for stabilizing yield and improving quality needs to be further explored, especially for salinized soils.

  generalabstractevidence 5/5
  Keywords: yield quality tomato prolonged flowering period whose sensitive water deficit salt stress regime stabilizing improving
• Reduced irrigation decreases the optimal nitrogen threshold of greenhouse tomatoes by altering gas exchange and stomatal morphology (2026) · Frontiers in Plant Science · doi

  Further studies are needed to investigate the effects of water-nitrogen interactions on tomato yield and photosynthetic physiological characteristics under different climate conditions. The development of more efficient irrigation and nitrogen fertilization strategies in greenhouse tomato production requires further research.

  generalfuture-work sectionevidence 4/5
  Keywords: further studies needed investigate effects water-nitrogen interactions tomato

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