Platyedra Gossypiella, Saund., The Pink Boll-Worm, in South India, 1920-1921 (Classic Reprint) by E. BallardPlatyedra Gossypiella, Saund., The Pink Boll-Worm, in South India, 1920-1921 (Classic Reprint) by E. Ballard

Platyedra Gossypiella, Saund., The Pink Boll-Worm, in South India, 1920-1921 (Classic Reprint)

byE. Ballard

Paperback | November 13, 2018

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Excerpt from Platyedra Gossypiella, Saund., The Pink Boll-Worm, in South India, 1920-1921

The investigations into the habits of the Pink Boll-worm for the season 1920-21* were a continuation of those started in They were designed to act as a check on last season's observations and to find if possible some means of calculating in terms of rupees the actual loss likely to be sustained by the rat'yat. From this should follow some results which would show the extent to which the Pest A'ct had benefited cotton growers in those districts in which it has been enforced. As was the case last year, no signs of long cycle larvae being produced were found, and the infestation of the new crop must come simply from survivors of the last generations produced in the previous year. The problem of how the Pink Boll-worm tides over the dead season even to the small extent of which it is now capable has yet to be elucidated. This paper only gives figures of the rate of increase once the first infestation of the crop has started.

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Title:Platyedra Gossypiella, Saund., The Pink Boll-Worm, in South India, 1920-1921 (Classic Reprint)Format:PaperbackDimensions:38 pages, 9 × 6 × 0.08 inPublished:November 13, 2018Publisher:FB&C LtdLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:024350845X

ISBN - 13:9780243508457

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