Paper · 2026 · Frontiers in Plant Science

Multimodal cross-attention network for overgrowth detection in strawberry seedlings

Zhenzhen Cheng; Yifan Cheng; Tingting Fang; et al.

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verbatim quotes
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citations
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research areas
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Open access · cc-by

Abstract

Early warning of overgrowth in strawberry seedlings is essential to balance vegetative and reproductive growth. However, existing monitoring methods face major challenges, including subtle visual symptoms and limited abnormal samples. To address this, we propose MM-CAPNet, a multimodal fusion framework for early detection of seedling overgrowth. We first developed a representative sample collection of strawberry seedlings through a systematic induction experiment, integrating historical environmental time-series data with contemporaneous plant images. The MM-CAPNet architecture uses a dual-stream design to process these inputs, with a Transformer encoder for environmental sequences and a MobileNetV2 encoder for images. A critical component of the proposed framework lies in the image-guided Cross-Attention mechanism, which uniquely treats the current phenotype as an active query to adaptively retrieve and aggregate the most diagnostically relevant segments of past environmental data. Experiments show MM-CAPNet outperforms baselines, reaching 87.6% accuracy and 0.901 AUC, with strong discriminative ability for early overgrowth categories. Ablation studies confirm its interpretability by linking visual phenotypes to key environmental drivers. This work provides growers with a proof-of-concept framework to regulate fertilization, irrigation, and light management during the nursery stage, thereby reducing the risk of excessive vegetative growth. The proposed framework supports precision cultivation strategies that enhance resource efficiency and crop resilience.

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Claims 4

Method / resourceobservedoriginal resultpositivemeasured

Claim · model-written summary

MM-CAPNet outperformed baselines with 87.6% accuracy for overgrowth detection in strawberry seedlings.

Taxon
strawberryFragaria ×ananassat0
Organ / stage
seedlingst0
Outcome
accuracye0
Direction
outperformse0
Value
87.6%e0
Comparator
baselinese0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Multimodal cross-attention network for overgrowth detection in strawberry seedlings”

✓ located verbatim in the source · title, characters 0–83 · show in text ↑
e0

“Experiments show MM-CAPNet outperforms baselines, reaching 87.6% accuracy and 0.901 AUC”

✓ located verbatim in the source · abstract, characters 998–1085 · show in text ↑
Method / resourceobservedoriginal resultpositivemeasured

Claim · model-written summary

MM-CAPNet outperformed baselines with an AUC of 0.901 for overgrowth detection in strawberry seedlings.

Taxon
strawberryFragaria ×ananassat0
Organ / stage
seedlingst0
Outcome
AUCe0
Direction
outperformse0
Value
0.901e0
Comparator
baselinese0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Multimodal cross-attention network for overgrowth detection in strawberry seedlings”

✓ located verbatim in the source · title, characters 0–83 · show in text ↑
e0

“Experiments show MM-CAPNet outperforms baselines, reaching 87.6% accuracy and 0.901 AUC”

✓ located verbatim in the source · abstract, characters 998–1085 · show in text ↑
Observationauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

Ablation studies confirm that MM-CAPNet is interpretable by linking visual phenotypes to key environmental drivers in strawberry seedlings.

Taxon
strawberryFragaria ×ananassat0
Organ / stage
seedlingst0
Outcome
interpretabilitye1
Qualifier
linking visual phenotypes to key environmental driverse1

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Multimodal cross-attention network for overgrowth detection in strawberry seedlings”

✓ located verbatim in the source · title, characters 0–83 · show in text ↑
e1

“Ablation studies confirm its interpretability by linking visual phenotypes to key environmental drivers”

✓ located verbatim in the source · abstract, characters 1155–1258 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

MM-CAPNet has strong discriminative ability for early overgrowth categories in strawberry seedlings.

Taxon
strawberryFragaria ×ananassat0
Organ / stage
seedlingst0
Outcome
discriminative ability for early overgrowth categoriese2
Qualifier
stronge2

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Multimodal cross-attention network for overgrowth detection in strawberry seedlings”

✓ located verbatim in the source · title, characters 0–83 · show in text ↑
e2

“with strong discriminative ability for early overgrowth categories”

✓ located verbatim in the source · abstract, characters 1087–1153 · show in text ↑