Proceedings of the South & East African combined agricultural, cotton, entomological and mycological conference held at Nairobi, August, 1926

Bibliographic data

Monograph

Identifikator:: 1738588467

URN:: urn:nbn:de:zbw-retromon-115043

Document type:: Monograph

Title:: Proceedings of the South & East African combined agricultural, cotton, entomological and mycological conference held at Nairobi, August, 1926

Place of publication:: Nairobi

Publisher:: East African Standard

Year of publication:: 1926

Scope:: VI, 337 Seiten; Ill.

Digitisation:: 2020

Collection:: Economics Books

Usage license:: Get license information via the feedback formular.

Chapter

Document type:: Monograph

Structure type:: Chapter

Title:: Part I. Opening speeches, agenda and programme

Collection:: Economics Books

PART 1. NATURAL OCCURRENCE OF MAJOR PESTS IN RELATION TO :— (a) Flora. (b) Nature of the soil. (¢) Climatic factors—altitude, distribution and amount of rainfall, temperature and humidity. (See page 179.) OCCURRENCE UNDER CONDITIONS OF CULTIVATION :— (a) Effect of cultivation and implements. (b) Rotations. (ec) Size of area under control. (See page 179.) BoLLwoRrMS : VALUE OF CONTROL BY :— (a) Natural enemies. (b) Elimination of food plants. (¢. Implemental cultivation. ( Rotations. Spraying and dusting. Trapping adults. («, Hand-picking or collecting larvee in the field. (h) Trap cropping. (i) Close season. Lire HISTORIES : — (a) Active period of insect. (b) Alternative food plants. (¢) Range of flight of adults (See page 174.) SupaN BOLLWORM : — (a) General history in places where it is not considered of major importance. (b) Geographical distribution. (¢) Wild food plants. (See page 177.) INFORMATION OF GENERAL INTEREST IN CONNECTION WITH SUCH MAJOR PESTS AS PINK BOLLWORM, APION, ETC. (See page 176.) INTERNAL BOLLROT TRANSMITTED BY STAINERS AND OTHER insects. (The Secretary for Agriculture, Union of South Africa, asked especially for information on this subject.) Value of control by:— (a) Natural enemies. (b) Elimination of food plants. (¢) Trapping. (d) Hand-collecting. (See page 178.) ' APHIDS AND JASSIDS: VALUE OF CONTROL BY: (a) Natural enemies. (b) Plant selection for resistance. (¢) Spraying and dusting. (d) Cultivation. i (See page 180.) (All the above items have been raised by the Empire Cotton Growing Corporation.) 21

Access restriction

Copyright

fullscreen: Proceedings of the South & East African combined agricultural, cotton, entomological and mycological conference held at Nairobi, August, 1926

Monograph

Chapter

Table of contents

Download

Monograph

Chapter

This page

Image fragment

Citation links

Citation recommendation