Table 1 Effects of delayed leaf senescence on yield of genetically engineered crop plants
From: Leaf senescence: progression, regulation, and application
Plant species | Strategies for delaying senescence | Organs harvested | Yield increase (%) | Growth conditions | Note | References |
|---|---|---|---|---|---|---|
Cassava | pSAG12::IPT | Storage root | −23.33 | Field | Increased drought tolerance | Zhang et al. 2010 |
Canola | pAtMYB32xs::IPT | Grain | 16–23 or 7–16 | Field, rainfed or irrigated | Elevated oleic acid content | Kant et al. 2015 |
Maize | pSARK::IPT | Grain | 47–66 | Green house water deficit | No effect when well-watered | Décima Oneto et al. 2016 |
Maize | HaHB11 overexpression | Grain | 28 | Field | Raineri et al. 2019 | |
Maize | nac7 RNAi | Grain | 2.2–3.5 | Field | Zhang et al. 2019 | |
Peanut | pSARK::IPT | Seed | 51 | Field, water-limiting | No yield increase when well-watered | Qin et al. 2011 |
Rice | pSARK::IPT | Grain | 144 | Green house, water-stressed | No yield increase when well-watered | Peleg et al. 2011 |
Rice | OsNAP RNAi | Grain | 6.3–10.3 | Field | Reduced grain protein and mineral micronutrient | Liang et al. 2014 |
Rice | OsGATA12 overexpression | Grain | 30 | Green house, high density | Reduced yield at low density | Lu et al. 2017 |
Rice | ONAC096 T-DNA insertion | Grain | 16 | Field | Kang et al. 2019 | |
Rice | OsCKX11 Crispr/Cas9 | Grain | 7.5 | Field | Increased grain number | Zhang et al. 2021 |
Rice | Introgression of japonica OsSGR allele | Grain | 10.6–12.7 | Field | Shin et al. 2020 | |
Tomato | SlORE1S02 RNAi | Fruit | 43–95a | Green house | Increased soluble solid content | Lira et al. 2017 |
Tomato | SlNAP2 RNAi | Fruit | 19a | Growth chamber | Increased soluble solid content | Ma et al. 2018 |
Wheat | TaNAM RNAi | Grain | Not affected | Field | Reduced grain protein, zinc content | Uauy et al. 2006 |
Wheat | EMS mutagenesis of GPC-A1 and GPC-D1 | Grain | Not affected | Field | Reduced grain protein content | Avni et al. 2014 |
Wheat | TaNAC-S overexpression | Grain | Not affected | Green house | Increased straw N content | Zhao et al. 2015 |
Wheat | NAM RNAi | Grain | Not affected | Growth room | Increased stem fructans | Borrill et al. 2015 |
Wheat | pSAG12::IPT | Grain | Not affected | Green house | Sýkorová et al. 2008 | |
Wheat | pAtMYB32xs::IPT | Grain | 40–67 | Field, water stressed | Slight increase when well-watered | Joshi et al. 2019 |