Abstract
Effects of heavy infestation of the citrus red mite in the autumn in 1965 on the growth and the yield of the Kawano-Natsudaidai variety were investigated in the citrus orchards (9 years old trees) in Kurume in following 1966 and 1967.In the plot infested heavily with the citrus red mite of the Kawano-Natsudaidai trees, number of defoliated leaves from January to March in 1966 is more than that of the lightly infested plot. The trees infested heavily were strikingly reduced the vegetative growth, length of new leaf and new spring shoot, and number of fruits in 1966.The reduction of the yield in number and in weight of the fruits of heavily infested tree was about 45 per cent and 43 per cent, respectively, from that the lightly infested one in 1966.Though such heavy infestation of the citrus red mite affected the growth of the tree for two years, little yield difference between heavily and lightly infested tree has been found in this period.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
