UCDavisPlants

@ucdavisplants

🌱 Discussion of all plant-related research and concepts. UC Davis supports academic and research programs in plant sciences, plant biology, plant pathology, viticulture and agricultural engineering.

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UCDavisPlants@ucdavisplants· 1d

🌱 From Food and Bioproducts Processing: Dragon fruit peel waste yielded stable red betalain pigments that colored gelatin without altering taste, offering a potential natural food dye. (Bruno Augusto Mattar Carciofi) ▶️ www.sciencedirect.com/science/arti... #PlantScience #AgEngineering

Graphical abstract showing process and value of pitaya peel powder as a source of betalains.

UCDavisPlants@ucdavisplants· 6d

🍅From Plant, Cell and Environment: Tomato roots concentrate immune responses in developing tissues, pointing to a potential way to boost disease resistance while limiting growth tradeoffs. (Danielle M. Stevens, Gitta Coaker) ▶️ onlinelibrary.wiley.com/doi/10.1111/... #PlantScience #PlantPathology

Differentially expressed genes in H7996 6 h after treatment with 1 μM flg22 or 100 nM flgII-28 compared to mock treatment. (A) Stacked bar plot representing the count of total up or downregulated genes in each root zone for roots treated with flg22, flgII-28, or both flg22 and flgII-28. Venn diagram depicting both up- and downregulated DEGs for (B) whole root, (C) Late Differentiation zone, or (D) Early Differentiation zone samples after treatment with flg22Pst or flgII-28Pst. Overlap in (E) upregulated and (F) downregulated DEGs for Whole Root, Late Differentiation, and Early Differentiation Zone samples treated with flg22Pst. Overlap in (G) upregulated and (H) downregulated DEGs for Whole Root, Late Differentiation, and Early Differentiation Zone samples treated with flgII-28Pst. DESeq. 2, p-adj < 0.05.

UCDavisPlants@ucdavisplants· 8d

🌱 From Plant Disease: Ganoderma adspersum can invade healthy sapwood in young peach rootstocks, highlighting how wounds may create entry points for orchard disease. (Daisy H. Ahumada, David M. Rizzo) ▶️ apsjournals.apsnet.org/doi/full/10.... #PlantScience #PlantPathology

Fig. 1. Longitudinal cross section through inoculation site, showing discolored wood and decay on a sample from peach rootstock ‘Nemaguard’ inoculated with Ganoderma adspersum.

UCDavisPlants@ucdavisplants· 15d

🌱 From Current Opinion in Plant Biology: Malate may play a bigger role in photosynthesis than once thought, helping plants balance carbon storage and protein production as CO2 rises. (Arnold J. Bloom) ▶️ www.sciencedirect.com/science/arti... #PlantScience #PlantBiology

Figure 1. C3 carbon fixation and photorespiration within the context of photosynthetic carbon, oxygen, organic acid, and nitrogen metabolisms within a C3-species leaf cell. Solid black and red lines represent reactions of the traditional pathways, solid blue lines represent reactions of several proposed photorespiratory pathways, solid purple lines represent reactions for amino acid synthesis, and dotted lines represent associated transport processes. The following enzymes catalyze the numbered reactions: 1. rubisco; 2. phosphogluconate dehydrogenase; 3. NADP-malic enzyme; 4. malate dehydrogenase; 5. phosphoenolpyruvate carboxylase; 6. pyruvate:phosphate dikinase; 7. phosphoribulokinase; 8. phosphoglycolate phosphatase; 9. glycolate oxidase; 10. glutamate:glyoxylate aminotransferase; 11. glycine decarboxylase complex; 12. serine hydroxymethyltransferase-1; 13. serine:glyoxylate aminotransferase; 14. hydroxypyruvate reductase-1; 15. glycerate kinase; 16. glucose-6-phosphate dehydrogenase; 17. 6-phospho-gluconolactonase; 18. malate dehydrogenase; 19. nitrate reductase; 20. nitrite reductase; and 21. glutamine synthetase. PETC and RETC designate photosynthetic and respiratory electron transport chains, respectively. TrioseP includes GAP and DHAP. The overall reaction for one of the proposed photorespiratory pathways in chloroplasts (1–3 & 7) is RuBP + 6 PG + O2 → RuBP + glycolate + malate; the overall reaction for the other proposed photorespiratory pathway (1 & 4–6) is RuBP + O2 + HCO3– + NADPH → glycolate + malate + NADP+ + H+.

UCDavisPlants@ucdavisplants· 22d

🌱 From Journal of Ecology: As mountain climates warm, some lower elevation wildflowers outperform local plants, but only at certain life stages. (Brandie Quarles-Chidyagwai, S. Ashlock, J. Schmitt, J. N. Maloof, Jennifer R. Gremer) ▶️ besjournals.onlinelibrary.wiley.com/doi/10.1111/... #Ecology

PCA showing climate change at the home sites for the water year. Arrows show the change from historical (1964–1993) to recent (1994–2023) climate means at each population home site. The arrow for the shift in climate at the WL2 population is circled and labelled. Diamonds represent the garden climate in 2023 and 2024. PC1 represents a cold/warm (left/right; BIO1), snow/no snow (left/right; PCK) continuum while PC2 represents a dry/wet (bottom/top; CWD) and temperature annual range (bottom to top: Low to high; BIO7) continuum (see Table S2). There are significant shifts in PC space from historical to recent climate (Table S3).

UCDavisPlants@ucdavisplants· 28d

🥑 From Applied Food Research: Fatty acid and sterol analyses found most avocado oil labeled processed foods were inconsistent with authentic avocado oil. (Natalie Lopez-Alvarez, Xueqi Li, Benjamin Vizgordiski, Selina C. Wang) ▶️ www.sciencedirect.com/science/arti... #PlantScience #FoodScience

PCA of selected fatty acids. AO: avocado oil-containing samples; OO: olive oil-containing samples; VO: vegetable oil-containing samples; OO+VO: sample containing vegetable oil blend with olive oil as the first ingredient.

UCDavisPlants@ucdavisplants· Jul 6

🌱 Food Microbiology: Indoor temperature and humidity help shape microbial communities in food facilities, suggesting climate control could support safer production. (Chad Masarweh, I. Sitepu, K. Kalanetra, R. Boulton, David A. Mills, Kyria Boundy-Mills) ▶️ www.sciencedirect.com/science/arti...

Fig. 6. Microbial networks for (A) wineries and (B) creameries. Co-occurrence networks were generated from ASVs and then aggregated to the species level to construct the shown bipartite networks. The graphs visualize associations between sample types (large nodes) and species (small nodes, colored by prevalence) with connecting edges colored by the associated sample type.

UCDavisPlants@ucdavisplants· Jul 2

🌱 From The Plant Journal: Synthetic apomixis restored fertility in distant rice hybrids, opening a path to preserve high-yielding hybrid traits through clonal seeds. (Venkatesan Sundaresan) ▶️ onlinelibrary.wiley.com/doi/full/10.... #PlantScience #PlantBreeding

Schematic representation of the apomeiosis, apomixis, and control Cas9 T-DNA constructs.

The first two T-DNAs are redrawn from Vernet et al. (2022). LB and RB: left and right borders of the T-DNA; pe35S: promoter of the cauliflower mosaic virus (CaMV) with duplicated enhancer sequence; HPT: hygromycin phosphotransferase II; pZmUbi: promoter, first intron and first exon of the maize Ubiquitin 1 gene; Cas9: rice-optimized SpCas9 coding sequence; PAIR1, OsREC8, and OsOSD1: gRNA cassettes driven by the Pol III U6 promoter targeting PAIR1, OsREC8, and OsOSD1; OsBBM1: BABY-BOOM 1 gene from rice; pAtEC1.2: egg cell-specific promoter from Arabidopsis.

UCDavisPlants@ucdavisplants· Jul 1

💧 From Journal of Water Resources Planning and Management: Better water demand forecasts can reduce costly overbuilding while helping cities prepare water and wastewater systems for future change. (Mary Cadenasso) ▶️ ascelibrary.org/doi/full/10.... #PlantScience #WaterManagement

Fig. 2. Illustrating changes in per capita use and demand change factor (DCF) for water supply and wastewater agencies in forecasted scenarios: (a) cumulative distributions of DCF values in an agency by scenario; (b) historic versus future (forecasted) per capita demand for indoor and outdoor use in all sectors (residential and CII) by scenario, with all 1,000 simulations in a scenario plotted; (c) geographic distribution of DCF values in agencies for the scenario that included all factors influencing future demand; and (d) demand change factors for wastewater treatment facilities in the forecasted scenario that included all factors influencing future demand.

UCDavisPlants@ucdavisplants· Jun 26

🌱 From PNAS: Soybean uses long-distance signals between roots and shoots to regulate nitrogen-fixing nodules. Understanding this pathway could help improve productivity under low nitrogen conditions. (Blake C. Meyers) ▶️ www.pnas.org/doi/10.1073/... #PlantScience #PlantBiology

The miR4416-5p-GmLe3 module promotes rhizobial infection systemically under low nitrogen. (A–D) Representative images and quantification of nodule numbers (28 dpi) of stable amiR4416-5p and miR4416-5pSTTM plants compared with the WT, and stable Gmle3 mutants and GmLe3-overexpression (GmLe3OE) plants compared with the WT. For all box-and-whisker plots presented in this study, the lines represent the median, the dots represent the data points (n = 36), the edges of the boxes define the interquartile ranges, and the whiskers represent the minimum and maximum values. The letters below the x-axis denote the corresponding materials shown in (A) and (C), respectively. Statistical differences were determined with Student’s t test. P values: **P ≤ 0.01. The experiment was repeated three times independently. (Scale bar, 5 cm.) (E and F) Representative images and quantification of numbers of curled root hairs (24 hpi) in stable miR4416-5pSTTM and GmLe3OE plants compared with the WT. WT, n = 22; miR4416-5pSTTM-20, n = 23; GmLe3OE-14, n = 22. The letters below the x-axis denote the corresponding materials shown in (E). Statistical differences were determined with Student’s t test. P values: **P ≤ 0.01. The experiment was repeated three times independently. (Scale bar, 100 µm.) (G and H) Representative images and quantification of numbers of infection threads in stable amiR4416-5p, Gmle3 mutants, miR4416-5pSTTM and GmLe3OE plants compared with WT. n = 10. The letters below the x-axis denote the corresponding materials shown in (A) and (C). Statistical differences were determined with Student’s t test. P values: *P ≤ 0.05; **P ≤ 0.01. The experiment was repeated two times independently. (Scale bar, 20 µm.) (I) Photographic illustration of the phenotypic changes in the nodule (28 dpi) number of grafted WT, miR4416-5pSTTM (STTM), and chimeric plants. The white arrows indicate the grafting sites. (Scale bar, 3 cm.) (J) Changes in nodule numbers (28 dpi) of grafted plants as exemplifi…

UCDavisPlants@ucdavisplants· Jun 23

🌱 From New Phytologist: Tiny leaf pores may play a larger role than expected in shaping plant microbiomes. Stomatal traits could influence which microbes enter, persist, and affect plant health. (Gail Taylor) ▶️ nph.onlinelibrary.wiley.com/doi/10.1111/... #PlantScience #PlantBiology

Schematic diagram of stomatal and associated leaf traits hypothesized to influence leaf microbiome assembly. Colonization of the leaf surface begins with the arrival of airborne microbial propagules (1) from a local species pool. Upon arrival, bacteria and fungi establish as epiphytes (2), some forming biofilms or appressoria on the leaf surface. Several leaf traits influence the abundance and distribution of resources available to these microbes, including the presence of trichomes, the hydrophobicity of the leaf surface, and the trough and furrows of cell edges (3), as well as the release of plant leaf exudates (4), which comprise a variety of substances ranging from simple sugars to volatile organic compounds. The first physical barrier encountered by microorganisms is the cuticle (5), which overlays the outer epidermal cell layer (6). Embedded within this barrier are stomata, each formed by a pair of specialized guard cells (7), which regulate their turgor pressure by modulating solute concentrations within their vacuoles (8) in response to environmental stimuli. In addition to regulating gas exchange, stomatal pores also serve as potential entry points for microbial colonization of the leaf interior, ultimately contributing to the assembly of the leaf endophyte community (9). This figure was created in BioRender.

UCDavisPlants@ucdavisplants· Jun 17

🌱 From Frontiers in Plant Science: How light is delivered can matter as much as how much light plants receive. Gradually increasing light intensity and day length improved basil growth efficiency in indoor farming systems. (Gail Taylor, Laura Cammarisano) ▶️ www.frontiersin.org/journals/pla...

Representative morphology of basil (Ocimum basilicum L. cv. ‘Genovese’) plants at harvest stage (39 days after sowing) after being grown in climate-controlled conditions under varying light regimes (constant vs. gradually increasing light intensity and photoperiod) while maintaining equal daily light integral (DLI). Plants were cultivated in rockwool cubes; scale is provided by the lateral measurement tape.

UCDavisPlants@ucdavisplants· Jun 15

🍓Molecular Plant-Microbe Interactions: Fusarium wilt continues to threaten strawberry production as new strains overcome existing resistance. (Mishi V. Vachev, M. Bjornson, D. Pincot, G. Coaker, S. Knapp, Mitchell J. Feldmann) ▶️ apsjournals.apsnet.org/doi/10.1094/... #PlantScience #PlantPathology

Emergence of Fusarium oxysporum f. sp. fragariae (Fof) and octoploid strawberry species. Countries in which Fof has been reported are colored tan and numbered. The phenotypic groups of the reported isolates, as determined by Henry et al. (2021), are colored as follows: yellow = yellows-fragariae, purple = wilt-fragariae, brown = not tested. Dashed lines indicate known pathogen spread. Continents from which octoploid strawberry species originated are also shown. Fragaria virginiana and F. chiloensis emerged approximately 1 million years ago (Njuguna et al. 2013) and are native to North and South America, respectively. F. × ananassa originated in Western Europe in the 1700s (Duchesne 1766).

UCDavisPlants@ucdavisplants· Jun 9

🌱 From Soil Security: Regenerative farming practices increased soil carbon pools within just a few years, highlighting early gains in soil health and carbon storage. (Jagdish Kumar Ladha) ▶️ www.sciencedirect.com/science/arti... #PlantScience #SoilScience

UCDavisPlants@ucdavisplants· Jun 8

🌱 From PNAS: New genomic maps reveal how an ancient genome triplication reshaped Asteraceae, the world's largest flowering plant family. (Richard Michelmore) ▶️ www.pnas.org/doi/full/10.... #PlantScience #Genomics

Asteraceae genomic blocks (AGBs). Macrosynteny between the S. taccada genome and the AGBs. a, b, and c represent three sets of homoeologous genomic blocks derived from the two-step genome polyploidization in Asteraceae.

UCDavisPlants@ucdavisplants· May 21

🌱 From PNAS: Plant defenses against gray mold rely on shared stress responses but highly species-specific immune networks. (Ritu Singh, Anna Jo Muhich, Cloe Tom, Celine Caseys, Daniel J. Kliebenstein) ▶️ www.pnas.org/doi/10.1073/... #PlantScience #PlantPathology

Isolate-driven transcriptional responses across hosts. (A) PCA of host transcriptional responses based on the expression of 803 single-copy orthologs shared across all 10 eudicot hosts. To normalize for interspecific scale differences, expression values were z-scaled within each host prior to analysis. Points are colored by host species and shaped by treatment (circles = B. cinerea infected; triangles = mock). Mock samples are additionally highlighted with arrows. The percentage of variance explained by each principal component is indicated on the axes. (B) Rank heatmap of B. cinerea isolates based on their PC1 scores, which capture the primary axis of transcriptional variation. Isolates (columns) are ordered by their average rank across all hosts. Host species (rows) are arranged according to their phylogenetic relationships. The color scale represents the rank of each isolate within a host, where 1 (yellow) corresponds to the highest PC1 score (strongest transcriptional response) and higher ranks (purple) indicate weaker responses closer to mock controls.

UCDavisPlants@ucdavisplants· May 20

🌱From Current Opinion in Plant Biology: New insights into wheat spike development could help breeders increase grain yield through more productive spike architecture. (Chengxia Li, Kun Li, Chaozhong Zhang, Jorge Dubcovsky) ▶️ www.sciencedirect.com/science/arti... #PlantScience #PlantBreeding

Figure 1. (a) Wheat spike. (b) Wheat spikelet showing two basal sterile bracts (glumes) and multiple florets. (c) Each floret includes a bract (lemma) subtending the floral organs: the palea, two lodicules, three stamens, and a pistil. (d) Transitions between different meristem types that shape the wheat spike: vSAM = vegetative meristem, AxM = axillary meristem, IM = inflorescence meristem, SM = spikelet meristem (upper ridge), X = repressed lower ridge, and FM = floret meristem. The numbers following the capital W represent different stages of wheat spike development using the Waddington scale: W1.0 = vSAM (d, left), W1.5 = initial transition of the vSAM to an IM (shown in Figure 2). W2.0 = early double ridge stage (d, center). W3.0 = glume primordium (e). W3.5 = lateral FMs subtended by lemma primordia and IM transition into a SM (IM→TS, d, right). (f-h) Wheat mutants with altered spike architecture. (f) vrn1 vrn2-null with increased SNS (g) svp1 vrt2-null mutants with increased SNS and faster development of basal spikelets. (h) Branched spike of “Miracle wheat”.

UCDavisPlants@ucdavisplants· May 14

🌱 From PNAS: Layer-specific mutations in peppermint can reshape oil chemistry, revealing new opportunities for improving clonally propagated crops. (Nestor Kippes, Meric C. Lieberman, Isabelle J. DeMarco, Kanae Masuda, Luca Comai, and Isabelle M. Henry) ▶️ www.pnas.org/doi/10.1073/... #PlantScience

Peppermint population development. Axillary peppermint buds from cultivar BM (Mentha × piperita) were γ-irradiated by a 137Cs source using a 45 Gy dose. Plants recovered on agar for 2 wk before being moved to soil. Before field testing, plants were clonally propagated six times using single shoot tips as starting tissue, to reduce the frequency of chimeric plants (Materials and Methods).

UCDavisPlants@ucdavisplants· May 12

From bioRxiv: Common genomic selection benchmarks may overstate breeding gains, prompting calls for more realistic evaluation methods in crop improvement. (Daniel E Runcie) ▶️ www.biorxiv.org/content/10.6... #PLantScience #PlantBreeding

An analysis of the breeder’s equation illustrates why the most impactful use of Genomic Prediction is to enable faster recurrent selection cycles.
A. Illustration of a recurrent breeding scheme and opportunities to use a Genomic Prediction (GP) model for selections by targeting distinct populations of selection candidates. Each of the subsequent panels evaluates the expected ratio of genetic gains based on the breeder’s equation if Genomic Selection was used to improve that specific parameter, relative to a phenotypic selection scheme.

UCDavisPlants@ucdavisplants· May 11

🌱 From HortScience: Conventionally bred lettuce with sulfonylurea tolerance could expand weed control options while reducing reliance on high-risk herbicides. (Steven A. Fennimore) ▶️ journals.ashs.org/view/journal... #PlantScience #WeedScience

Sulfonylurea-tolerant red leaf lettuce breeding line USDA-ARS-G09-685 (left row, center bed) and cultivar Lolla Rossa (right row, center bed) in the field.

UCDavisPlants@ucdavisplants· May 5

🌱 From Foods: Compost-based fertilization can maintain pistachio yield and nut quality while reducing reliance on mineral fertilizers, supporting more sustainable orchard systems. (Louise Ferguson) ▶️ www.mdpi.com/2304-8158/15... #PlantScience #Sustainability

UCDavisPlants@ucdavisplants· Apr 29

🌱 From horticulturae: Knocking out key antioxidant genes leaves vitamin C levels stable, revealing hidden backup systems that help plants maintain stress resilience. (Richard Michelmore) ▶️ www.mdpi.com/2311-7524/12... #PlantScience #PlantBiology

Graphical Abstract showing lettuce and CRISPR knockout genes.

UCDavisPlants@ucdavisplants· Apr 28

🌱 From Plant Stress: Seaweed biostimulant helps almonds better handle water stress, improving plant function and resilience under drought. (Paula Guzmán-Delgado, Daniel Ruiz, Aileen Salas, Donald Williams, Giulia Marino) ▶️ www.sciencedirect.com/science/arti... #PlantScience #Drought

Fig. 1. Weather conditions across the three experimental years, with (A) cumulative monthly values of reference evapotranspiration (ETo) and precipitation (rain) and (B) mean monthly temperature (T) and relative humidity (RH). Data were obtained from CIMIS #39 weather station, located about 1 Km far from the experimental site.

UCDavisPlants@ucdavisplants· Apr 21

🌾 From Agrochemicals: New herbicide programs deliver near complete weed control in rice, boosting yields while helping manage rising herbicide resistance pressures. (Deniz Inci, Kassim Al-Khatib) ▶️ www.mdpi.com/2813-3145/5/... #PlantScience #WeedScience

Figure 1. Map of California rice cultivation areas with an inset of the Sacramento Valley.

UCDavisPlants@ucdavisplants· Apr 17

🩺 From Geohealth: Greater long-term climate change is linked to higher heart disease and stroke rates, highlighting growing chronic health risks alongside environmental shifts. (Alessandro Ossola) ▶️ pmc.ncbi.nlm.nih.gov/articles/PMC... #PlantScience #ClimateChange

Decadal heat index anomalies. Change in mean heat index from a 1970–1979 base period time frame to the mean of following decades, aggregated to the climate division scale. Continuous color scale bins by consistent equal intervals.

UCDavisPlants@ucdavisplants· Apr 6

🧬 From the plant journal: Ubiquitin ligases act as molecular switches that tune plant immunity, offering new routes to strengthen disease resistance without compromising growth. (Natalie Hamada, Katherine A. Hand, Nitzan Shabek) ▶️ onlinelibrary.wiley.com/doi/full/10.... #PlantScience #PlantBiology

U-box E3 structural mechanisms and immune signaling networks.

(a) NMR structure of the AtPUB14U-box (PDB: 1T1H, pale cyan).

(b) Superimposition of the AtPUB14U-box (PDB: 1T1H, pale cyan), GmPUB13U-box (PDB: 7C96, wheat), and OsCIE1U-box (PDB: 7XED, light pink).

(c) Crystal structure of the OsCIE1U-box (light pink) and OsUBC8 (light blue) complex (PDB: 7XED). (Bottom left) Close-up view of the E2-binding network with surface patch A. (Bottom middle) Close-up view of the OsCIE1U-box dimerization interface. (Bottom right) Close-up view of the E2-binding network with surface patch B.

(d) Crystal structure of the GmPUB13U-box (wheat)-Avr1d (pale green) complex (PDB: 7C96). (right) Zoom-in views of the interaction network between GmPUB13U-box-Avr1d.

(e) Two views of the crystal structure of the AvrPtoB CTD (C-terminal domain) (PDB: 2FD4, raspberry) showing the core fold, loops 1 and 2, and the partially disordered N-terminal domain regions.

(f) Surface and cartoon representation of the AvrPtoBCTD (PDB: 2FD4, raspberry). Close-up view of the E2-binding residues.

(g) Superimposition of the AtPUB14U-box (PDB: 1T1H, pale cyan) and AvrPtoBCTD (PDB: 2FD4, raspberry). Close-up view of the E2-binding residues.

(h) Models of U-box E3s in positively regulating immunity. (Left) PUB2/4-interacting PTI components in Arabidopsis. (Left middle) Chitin-activated CERK1 phosphorylation of CIE1 (i), preventing E3-ligase activity and promoting the immune response as well as PUB44 and the MAPK cascade (ii), promoting PBI1 degradation and releasing WRKY45, in rice. (Right middle) PUB17-mediated degradation of KH17 in potato. (Right) Positive feedback loop by the MYC2-PUB22-JAZ4 module to promote JA signaling in tomato.

(i) (Left) Secretion of SDE5 by CLas bacteria promotes PUB21-mediated MYC2 degradation and suppresses JA signaling in citrus. (Left middle) PUB25/26-mediated degradation of MYB6 and increased Verticillium dahliae susceptibility in Arabidopsis. (Right middle) PUB12/13-me…

UCDavisPlants@ucdavisplants· Apr 1

🌱 From Nature Food: Diversifying crop rotations boosts calories and nutrition without expanding farmland, challenging the tradeoff between productivity and sustainability. (Amélie C. M. Gaudin) ▶️ www.nature.com/articles/s43... #PlantScience #FoodScience

UCDavisPlants@ucdavisplants· Mar 31

🌱 Journal of Environmental Management: Restoring native prairie under solar panels can boost pollinator diversity up to sixfold, showing energy sites can support biodiversity with careful plant design.(Yudi Li,Rebecca R. Hernandez) ▶️ www.sciencedirect.com/science/arti... #PlantScience #Restoration

Fig. 1. Location of the study site in California, United States (a). Map of UC Davis Experimental Ecovoltaic Park (UC DEEP) and adjacent land uses (b). Experimental plots within permitted research area (c). Photos of pollinators visiting wildflowers (d–ag): Vanessa cardui on Eschscholzia californica (d) and Clarkia unguiculata (e); Burnsius communis on Phacelia Californica (f); Colias eurytheme on Helianthus bolanderi (g); Pieris rapae on Grindelia camporum (h); Hesperiina phyleus on G. camporum (i); Strymon melinus on P. Califronica (j); Autographa californica (k) and Heliothis phloxiphaga (l) on H. bolanderi; Battaristis concinnusella (m), Halictus spp. (n), and Agapostemon spp. (o) on G. camporum; Diadasia spp. on H. bolanderi (p); Epimelissodes obliqua on G. camporum (q); Melissodes spp. on H. bolanderi (r); Bombus vosnesenskii (s) and Bombus californicus (t) on P. Califronica; Apis mellifera on Collinsia heterophylla (u); Gilia capitata (v); E. californica (w), Nemophila menziesii (x), Silybum marianum (y), Erodium cicutarium (z), and Helminthotheca echioides (aa); Eupeodes spp. on E. californica (ab) and H. bolanderi (ac); Eristalis hirta on H. echioides (ad); Polistes dominula on E. californica (ae); Coccinella septempunctata on P. Califronica (af); Nemognatha lurida on H. bolanderi (ag).

UCDavisPlants@ucdavisplants· Mar 30

🌾 From Field Crops Research: Global meta-analysis reveals no till in rice often lowers yields, but works best in fertile, neutral pH, clay soils without sacrificing production. (Mia Godbey, Cameron M. Pittelkow, Bruce Linquist) ▶️ www.sciencedirect.com/science/arti... #PlantScience #InternationalAg

Fig. 1. Map of study sites from all 115 papers. The red dots represent the coordinates of the study sites in each paper, and the yellow shading represents the countries in which the studies were conducted. The climate delineations – temperate (22 observations, 4 papers), subtropical (488 observations, 95 papers), tropical (69 observations, 16 papers) – are shown between the horizontal lines.

UCDavisPlants@ucdavisplants· Mar 25

🌱 Current Opinion in Biotechnology (Review): Clonal seeds could lock in hybrid vigor, stabilizing yields. Synthetic apomixis is advancing, but fertility and cross-crop transfer remain key hurdles. (Hui Ren, Venkatesan Sundaresan) ▶️ www.sciencedirect.com/science/arti... #PlantScience #PlantBreeding