From what I've read and what I've observed, chempedak (Artocarpus integer) has a high mortality rate when grown from seed. I suspect that they die due to the stem growing faster than what the roots can support and the nutrients in the seed running out before the root system can compensate. Some people have had more success when grafting it onto jackfruit (Artocarpus heterophyllus) or chempejack (Artocarpus integer × heterophyllus) rootstock, but those grafts often don't take. Has anyone discovered any ways to more reliably keep the seedlings alive?