The Effect of Delphinium nelsonii Pollen on Seed Set in Ipomopsis aggregata, a Competitor for Hummingbird Pollination

Pollen and pollination experiments. X. T

Pollen and pollination experiments. X. The effect of repeated pollination on fruit-and seed set in crosses between the hybrid tea-rose CVS. Sonia and ilona

✍ D. P. Devries; Lidwien A. M. Dubois 📂 Article 📅 1983 🏛 Springer 🌐 English ⚖ 289 KB

To improve fruit-and seed set in roses, the Hybrid Tea-cultivar Sonia was pollinated with the cv. Ilona 0, 1, 2, 3, 4, 5, 6 and 7 times at 24 h intervals. Unpollinated flowers did not yield fruits. The number of achenes per fruit increased up to 3, fruit weight and weight of achenes increased up to