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Cherry Rootstocks Cherry COST Action FA 1104 Training school « Rootstocks and training systems » Cherry rootstocks Sara Pinczon du Sel, La Tapy Gérard Charlot, Ctifl Context . Traditionally, French growers use vase training system with vigourous rootstocks like Sainte-Lucie 64, or semi-dwarfing like Maxma® 14. Since several years, a lot of trials have been made on dwarfing and semi-dwarfing rootstocks, which could be interesting : Vase / Sainte-Lucie 64 - to decrease production cost - to reduce time before the first fruiting - to allow rain covering or insect- proof nets installation Rain covering and insect-proof nets Rootstocks research in France A network : 6 research centers evaluating cherry rootstocks - Ctifl Verexal - La Tapy - Sefra (Drôme) - Sefra (Ardèche) Sefra (Ardèche) - Cefel Sefra (Drôme) Cefel La Tapy - Verexal Ctifl 2 levels : - 3 spots in the 1st level : Ctifl, La Tapy, Sefra (Drôme) - 5 spots in the 2nd level : La Tapy, Sefra (Drôme), Sefra (Ardèche), Cefel, Verexal Rootstocks research in France Observations - Vigor (trunk section area) - Graft union - Root suckering - Anchorage © La Tapy © La Tapy - Foliage Exemple of Gisela 6 : difference Measure of the circumference, between the area of the rootstock before to estimate the trunk - Sensibilities and the area of the variety section area - Root asphyxia - Black cherry aphid - Drought - Vole - Bacterial canker - and so on… - Armillaria root rot - Precocity - Productivity © La Pugère A vole - Fruit size Dwarfing rootstock Tabel® Edabriz*, Piku 1* Tabel® Edabriz* Prunus cerasus Created by Inra/Ctifl, France Tabel Dwarfing rootstock 20 to 60% of Maxma® 14 (depending of soils and varieties) . Low to moderate level of root suckering (depending of the variety) M14 . Moderate level of anchorage . Very precocious (producing crops by the 3rd leaf) SL64 . Very high level of productivity . The size of the fruit depends of the level of production. Need to be pruned carefully. wild cherry Tabel® Edabriz* Low level of sensitivity Sensitive to… . Root asphyxia . Drought : sensitive to very . Lack of magnesium sensitive . Chlorosis : very sensitive . PDV virus : very sensitive . Armillaria root rot . Black cherry aphid Low to moderate sensitivity to bacterial canker © La Tapy Foliage . Vole Medium foliage status (symtoms of chlorosis…) © La Pugère Tabel® Edabriz* Known in France since the beginning of the 1980s. Used as control in dwarfing rootstock trial. One of the most dwarfing rootstock in France. Very precocious. High productivity. Need to be properly pruned in order to maintain fruit size. Need good soils and irrigation. Sensitive to every kind of stress : drought, vole, aphid… Piku 1* Prunus avium x (Prunus canescens L. x Prunus tomentosa L.) Created by Dresden-Pillnitz station, Germany Tabel Dwarfing rootstock 80 to 120% of Tabel® Edabriz (depending of soils and varieties) 1st level from 2000 to 2010 / 2nd level since 2012 300 Example Example 250 Observations 2010 Observations 2015 240 300 Trial planted in 2001 300 Trial planted in 2012 200 M14 293 250 % Tabel 250 150 % M14 240 100 200 200 191 88 % Tabel 182 50 150 150 160 58 % M14 141 143 SL64 40 130 125 0 100 100 88 Ctifl Sefra50 50 Vigor (% of Tabel or M14) Tabel of (% Vigor 58 46 Burlat 0 0 Ctifl Sefra Cefel Ctifl La Tapy Sefra Cefel Ctifl La Tapy Sefra wild Burlat Burlat Earlise cherry Piku 1* Piku 1 Tabel . Low level of suckering . Anchorage better than Tabel® Edabriz Burlat / Piku 1 2 years old © Ctifl Burlat / 3 years old © Ctifl Piku 1* Low level of sensitivity . Root asphyxia . Drought . Chlorosis . PDV and PNRSV virus (Lankes C., 2007) Light sensitivity to lack of magnesium Foliage Foliage status better than Tabel® Edabriz Piku 1* . Very precocious . High productivity Example Observations 2015 . Size of the fruit better or similar to Tabel Trial planted in 2012 20 12 18 10 16 14 8 12 10 6 8 4 6 (gr) 2015 in weight Fruit Cumulative production (kg / (kg tree) production Cumulative 4 2 2 0 0 Cefel Ctifl La Tapy Sefra Cefel Ctifl La Tapy Sefra Burlat Earlise Piku 1 - cumulative production Tabel - cumulative production Piku 1 - fruit weight Tabel - fruit weight Piku 1* Trials are still in progress on this rootstock in France. Vigor similar to Tabel® Edabriz. Very precocious, similar to Tabel® Edabriz. High productivity, similar to Tabel® Edabriz. But the size of the fruit on trees grafted on Piku 1 seems to be better than on trees grafted on Tabel® Edabriz. Low level of root suckering (better than Tabel). Anchorage better than Tabel® Edabriz. Better foliage status than Tabel® Edabriz and seems to be less sensitive than Tabel® Edabriz. Semi-dwarfing rootstock Weiroot 158*, Gisela 6*, Ceravium® PHL-A*, Furtos, Krimsk 5*, Krimsk 7*, Maxma Delbard®14 Brokforest* Weiroot 158* Prunus cerasus (P. cerasus x P. avium?) Created by the university Monaco Freising Weihenstephan, Germany Tabel 1st level from 1995 to 2005 / 2nd level since 2007 Semi-dwarfing rootstock 40 to 80% of Maxma® 14 (depending of soils and varieties) Example 90 Observations 2015 80 82 Trial planted in 2007 M14 70 74 68 60 60 50 56 48 40 46 45 39 40 30 SL64 31 20 25 Vigor (% of Maxma 14) Maxma of (% Vigor 18 10 0 Ctifl Ctifl La La La La La Sefra Sefra Tapy 1 Tapy 3 Tapy 1 Tapy 2 Tapy 3 Tapy Cefel1 Cefel2 Verexal wild Verexal cherry Folfer Poisdel Example - Poisdel - 6 years old © La Tapy Weiroot 158 Maxma 14 Example © Ctifl Weiroot 158* . Low to moderate level of root suckering. Seems to be more sensitive to root suckering than Tabel® Edabriz. 14 W158 12 M14 10 Tabel 8 6 4 2 No trees on Tabel ontrees No Tabel ontrees No 0 Tabel ontrees No 0 0 0 0 Averagr number of root suckers per tree persuckers root of number Averagr 0 Ctifl La Tapy La Tapy Sefra Verexal Ctifl La Tapy La Tapy La Tapy Sefra Verexal 1 3 1 2 3 Folfer Poisdel . Anchorage better than Tabel® Edabriz but worse than Maxma® 14. Good graft union. © Ctifl Weiroot 158* . Variable foliage status : medium to good. High death rate have been observed in a plot in Vaucluse (60 to 80% death), probably caused by root asphyxia. Low level of sensitivity Sensitive to… . Bacterial canker . Root asphyxia : very . Lack of magnesium sensitive . Drought : sensitive . Vole : sensitive to very sensitive © La Pugère Weiroot 158* . Precocious. Good productivity. Example Observations 2015 . Good fruit size. Trial planted in 2007 250 14 12 200 10 150 8 100 6 4 50 (gr) 2015 in weight Fruit 2 Cumulative production (kg / (kg tree) production Cumulative 0 0 Ctifl Ctifl La La La La La Sefra Sefra Tapy 1 Tapy 3 Tapy 1 Tapy 2 Tapy 3 Tapy Cefel1 Cefel2 Verexal Verexal Folfer Poisdel W158 - cumulative production M14 - cumulative production W158 - fruit weight 2015 M14 - fruit weight 2015 W158 - fruit weight 2014 M14 - fruit weight 2014 Weiroot 158* Trials are still in progress in France. Vigor between Tabel® Edabriz and Maxma 14. Good behaviour in good soil without root asphyxia : good balance between the production and the size of the fruit… . But seems to be very sensitive to root asphyxia, vole… Good behaviour in good soil, but need to avoid root asphyxia, vole… Gisela 6* Prunus cerasus « Schattenmorelle » x Prunus canescens Created by the university Justus Liebig of Giessen, Germany Tabel 1st level from 1999 to 2010 / 2nd level since 2007 Semi-dwarfing rootstock 50 to 80% of Maxma® 14 (depending of soils and varieties) Example 120 Observations 2015 114 Trial planted in 2007 M14 100 108 92 80 60 60 58 52 40 SL64 40 43 43 36 36 32 Vigor (% of Maxma 14) Maxma of (% Vigor 20 24 0 Ctifl Ctifl La La La La La Sefra Sefra Tapy 1 Tapy 3 Tapy 1 Tapy 2 Tapy 3 Tapy Cefel1 Cefel2 Verexal wild Verexal cherry Folfer Poisdel Example - Folfer - 4 years old © Ctifl Gisela 6 Maxma 14 Example - Poisdel - 6 years old © La Tapy Gisela 6 Maxma 14 Gisela 6* . No root suckering. 14 Gis.6 12 M14 10 Tabel 8 6 4 2 No trees on Tabel ontrees No Tabel ontrees No 0 0 0 0 Tabel ontrees No 0 0 0 0 0 0 0 0 0 0 Averagr number of root suckers per tree persuckers root of number Averagr Ctifl La Tapy La Tapy Sefra Verexal Ctifl La Tapy La Tapy La Tapy Sefra Verexal 1 3 1 2 3 Folfer Poisdel . Gisela 6 don’t have a good anchorage. Graft union with a difference between the diameter of the rootstock and the diameter of the variety. © Ctifl Gisela 6* . Medium to poor foliage status : the worst one in the study. Sensitive to… . Bacterial canker : sentitive Low level of sensitivity to very sensitive . PDV and PNRSV virus . Armillaria Root rot (Howell, W.E., Lang, G.A., 2001) . High temperatures in summer time . Double fruit Low sensitive Moderate sensitivity to to chlorosis . Root asphyxia . Lack of magnesium . Vole Gisela 6* Gisela 6 seems to induce a higher sensitivity to double fruit. Percentage of double fruit on Folfer in La Tapy in 2013 % of double fruit Maxma® 14 3.5% Gisela 6 25.3% Furtos 0.3% Weïroot 158 13.5% PHL-A 0.5% Tabel® Edabriz 15.8% © Ctifl Gisela 6* . Very precocious. High productivity, similar to Tabel® Edabriz. Example Observations 2015 . Need to be prune carefully. Trial planted in 2007 250 14 12 200 10 150 8 100 6 4 50 (gr) 2015 in weight Fruit 2 Cumulative production (kg / (kg tree) production Cumulative 0 0 Ctifl Ctifl La La La La La Sefra Sefra Tapy 1 Tapy 3 Tapy 1 Tapy 2 Tapy 3 Tapy Cefel1 Cefel2 Verexal Verexal Folfer Poisdel Gis.6 - cumulative production M14 - cumulative production Gis.6 - fruit weight 2015 M14 - fruit weight 2015 Gis.6 - fruit weight 2014 M14 - fruit weight 2014 Gisela 6* Trials are still in progress in France.
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