What does this research mean for the field?

A combination of wider seed spacing (15 cm × 15 cm) and a cocopeat plus farmyard manure (1:1) growing medium maximizes germination, seedling vigor, and the proportion of graftable Prunus armeniaca seedlings in temperate nursery systems. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To determine the optimal intra-row seed spacing and organic growing medium combination for maximizing germination, seedling vigor, and graftable seedling yield in Prunus armeniaca.

September 14, 2026Spanish Journal of Agricultural ResearchOpen Access

Spacing and media synergy enhance Prunus armeniaca seedling vigor and graftable yield in temperate nursery systems

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Authors

MKManisha KumariDr. Yashwant Singh Parmar University of Horticulture and Forestry PVPramod VermaDr. Yashwant Singh Parmar University of Horticulture and Forestry NSNaveen Chand SharmaDr. Yashwant Singh Parmar University of Horticulture and Forestry

Discussion

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Implication

Factorial experiment reveals wider spacing combined with cocopeat and manure enhances vigor in apricot seedlings, indicating optimal protocols for temperate tree nurseries.

Key Points

To determine the optimal intra-row seed spacing and organic growing medium combination for maximizing germination, seedling vigor, and graftable seedling yield in Prunus armeniaca.
Conducted a factorial nursery trial at a research nursery in Himachal Pradesh, India, testing three intra-row spacings: 15 cm × 5 cm, 15 cm × 10 cm, and 15 cm × 15 cm.
Evaluated five growing media formulations: cocopeat, sand, cocopeat + farmyard manure (FYM) in a 1:1 ratio, FYM alone, and sand + FYM in a 1:1 ratio.
Assessed germination kinetics, vegetative and root traits, sturdiness quotient, and graftable proportions, analyzing relationships using Pearson correlation.
The combination of 15 cm × 15 cm spacing and cocopeat + FYM (1:1) achieved the highest germination percentage (81.21%), sturdiness quotient (19.93), and graftable seedling proportion (85.55%).
Wider intra-row spacing significantly enhanced overall vegetative growth and physiological parameters across seedlings.
Media containing higher organic matter increased root weight and seedling vigor but was negatively correlated with root length, demonstrating a trade-off between root elongation and biomass accumulation.

Cite This Study

Kumari et al. (2026) studied this question.

synapsesocial.com/papers/6aa7b2e10926e14a848b1739 https://doi.org/10.5424/sjar/2026242-22177

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Implication

Factorial experiment reveals wider spacing combined with cocopeat and manure enhances vigor in apricot seedlings, indicating optimal protocols for temperate tree nurseries.

Spacing and media synergy enhance Prunus armeniaca seedling vigor and graftable yield in temperate nursery systems

Discussion

Member takes

Implication

Key Points

Cite This Study

Spacing and media synergy enhance Prunus armeniaca seedling vigor and graftable yield in temperate nursery systems

Discussion

Member takes

Implication

Key Points

Cite This Study

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