Excerpt from Orange Rust of Raspberry and Blackberry, And, a New Factor in Economic Agriculture
The appearance of the mycelium depends somewhat on its age. When young it is more conspicuous, but when old it loses its proto plasm and acquires an occasional septum. The haustoria are at first simple threads extending half way or more across the cell. They soon begin, by coiling or wisting, to form an enlarged, knotted end. This possibly may be due to the effort of the haustorium to come into more intimate contact with its food particles. Sometimes two haustoria are found in the same cell, and not infrequently have there been seen signs of union of these (plate 3, fig. 3, 4, This, however, is to be interpreted as nothing more than an accidental occurrence.
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Da: Forgotten Books, London, Regno Unito
Paperback. Condizione: New. Print on Demand. This book describes the mysterious orange rust disease of raspberries and blackberries, showing its disastrous effects on both cultivated and wild crops since the early 19th century, making it a major concern for both commercial plant growers and hobbyist gardeners alike. The author details the spread of the disease and its impact on host plants, with the aim of helping readers understand the nature of the condition and its devastating influence on these fruits. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Codice articolo 9781334416569_0
Quantità: Più di 20 disponibili
Da: PBShop.store US, Wood Dale, IL, U.S.A.
PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000. Codice articolo LW-9781334416569
Quantità: 15 disponibili
Da: PBShop.store UK, Fairford, GLOS, Regno Unito
PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000. Codice articolo LW-9781334416569
Quantità: 15 disponibili