The Annals of Applied Biology, Vol. 4

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Excerpt from The Annals of Applied Biology, Vol. 4: The Official Organ of the Association of Economic Biologists

From enquiries sent in during the past three years, there is little doubt that in addition to the damage it does to late sown spring oats, the frit fly must also be reckoned as a pest of winter wheat in this country. Several observers have recorded this fly as attacking winter wheat on the continent.

The first enquiry was received in March, 1914, from Mr C.J. Littlewood, Whitwell Hall, Skeyton, near Norwich. Specimens of dead and dying wheat plants were sent in and in these the larvae of the frit fly were found. Unfortunately the wheat was ploughed in just after the plants were sent, but this will serve to show that the damage done must have been considerable. This wheat was sown about December 1 st.

On March 1 st, 1915, an enquiry was received from Mr H.V. Sheringham, Blue Stone Farm, South Creake, Norfolk. Here 54 acres of wheat were sown on November 11 th 15 th, receiving a dressing of farmyard manure, and following a crop of Rye Grass and Clover. Mr Sheringham writes as follows: The wheat was slow in coming up owing to excessive rain. Although about 20 % of the plants were attacked by the larvae of the frit fly the wheat tillered well in the spring and produced a fair crop (about 32 bushels per acre).

In 1916, an enquiry was received from Messrs Tayton, White Hall Farm, Syderstone, Norfolk, concerning fields cuite near to Mr Sheringhams

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Полное название книги The Annals of Applied Biology, Vol. 4
Автор
Ключевые слова общая биология, палеонтология, биологические науки
Категории Образование и наука, Биология. Ботаника
ISBN 9781330636466
Издательство Книга по Требованию
Год 2015
Название транслитом the-annals-of-applied-biology-vol-4
Название с ошибочной раскладкой the annals of applied biology, vol. 4