Summary

Thanks for CD’s criticism and advice. The difficult question of whether varieties "wear out".

Summary

Thanks for £100; will pay for planting this year’s varieties.

Summary

Progress of experiments. Wants CD’s advice on best way to cross-fertilise his plants.

Summary

Has forwarded what he believes to be a new species of Solanum.

Summary

Apologises for his error over the Solanum.

Thanks CD for his good wishes; JT believes he will increase yield and disease-resistance by his crossing and selection.

Summary

Forwards letter from Victor Kennedy reporting on the growth of JT’s potatoes in W. Ireland.

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Forwards letter from George Callwell reporting what a large and disease-free potato crop JT’s seed yields.

Summary

Has examined this year’s crop, which looks good; will prepare a report.

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Has found no [potato] variety whose foliage can resist the parasite, except when grown under glass.

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Has had an account of his experiments published. Sends CD some specimens of seedlings and tubers.

Summary

Describes one of his varieties of potato in its third and fourth years. [CD notes his observations on this variety grown at Down, July 1879.]

Summary

Illness of his wife.

Potato crossing experiments; believes he has increased yield considerably.

Summary

Success of his experiments; report on recent work.

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Encloses latest report on his new potatoes. Believes the plants should be grown from seed every fourth year to preserve yield and disease-resistance.

Summary

Intends to get his ideas on the "wearing out" of varieties printed.

This year’s crosses were failures.

Summary

Encloses a report on JT’s potato varieties by William Meredith, one of the many individuals in the country who are growing them.

Summary

Reports that Phylloxera-resistant vines have been found in an infected region of Portugal.

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On the disease-resisting qualities and yield of certain potatoes.

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It might be possible to borrow £500 [for potato experiments]. Variety of "The Champion" spreading over the Kingdom. Champion lately less able to produce.

Summary

Potatoes will be lost unless JT has immediate authority to proceed.