Apple scab, caused by the fungal pathogen Venturia inaequalis (Cke.) Wint. (anamorph Spilocaea pomi Fr.), is a major disease affecting apples grown in temperate climates around the world including Pakistan. This disease can have a significant economic impact as diseased fruit are not marketable. The uncontrolled disease results in the reduction of fruit quality and quantity or almost complete devastation of apple crop. Severe attacks of scab had a negative effect on tree viability the following year, due to lower leaf photosynthetic activity, fewer fruit buds and leaves being formed, more leaves being dropped and that scab also had a debilitating effect on normal wood growth needed for high yields. Baluchistan and Khyber Pakhtunkhwa is the key contributor of apple production in Pakistan. Orchard management techniques, such as leaf litter control, can reduce primary inoculum but usually are not sufficient to control apple scab, and as many as 18-25 fungicide applications per season may be required. Information regarding pathogen epidemiology and control available to apple growers for the sustainable control of scab is largely unknown and needs to be addressed.
Apple scab, caused by the fungal pathogen Venturia inaequalis (Cke.) Wint. (anamorph Spilocaea pomi Fr.), is a major disease affecting apples grown in temperate climates around the world including Pakistan. This disease can have a significant economic impact as diseased fruit are not marketable. The uncontrolled disease results in the reduction of fruit quality and quantity or almost complete devastation of apple crop. Severe attacks of scab had a negative effect on tree viability the following year, due to lower leaf photosynthetic activity, fewer fruit buds and leaves being formed, more leaves being dropped and that scab also had a debilitating effect on normal wood growth needed for high yields. Baluchistan and Khyber Pakhtunkhwa is the key contributor of apple production in Pakistan. Orchard management techniques, such as leaf litter control, can reduce primary inoculum but usually are not sufficient to control apple scab, and as many as 18-25 fungicide applications per season may be required. Information regarding pathogen epidemiology and control available to apple growers for the sustainable control of scab is largely unknown and needs to be addressed.
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of...
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and...
This scientific study is an important contribution to our understanding of apple scab, a common plant disease that affects apple trees. Based on years of research and experimentation, Morris's...
This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks,...
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and...
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