Effect of planting dates of maize on the incidence of borer complex in Chitwan, Nepal / G. Bhandari in Journal of Agriculture and Forestry University, Volume 2 (2018)  

Public ISBD [article]  inJournal of Agriculture and Forestry University > Volume 2 (2018) . - 107-118 p. Title : Effect of planting dates of maize on the incidence of borer complex in Chitwan, Nepal Material Type: printed text Authors: G. Bhandari, Author ; R.B Thapa, Author ; Y. P. Giri, Author ; H. K. Manandhar, Author Publication Date: 2018 Article on page: 107-118 p. Languages : English (eng) Keywords: Maize, planting date, borer complex, temperature, season Abstract: Borer complex (Chilo partellus Swinhoe and Sesamia inferans Walker) are the major pests of maize in Nepal. Infestation of maize borer complex as well as climatic variability of growing areas are the major causes for low production and productivity of maize as compared to neighboring countries. Therefore, an experiment was conducted to find out the effect of planting time on open pollinated and hybrid maize variety for the incidence of borer complex during winter, spring, and summer seasons at the experimental field of National Maize Research Program, Chitwan. The experiment was conducted using Randomized Complete Block design with a factorial combination of treatments, each replicated for three times, for two maize genotypes, at every 10 days interval. The results showed that borer incidence varied with maize planting dates and genotypes. The highest plant damage by stem borers was up to 29.9% in genotype S03TLEY-FM (open pollinated variety) and 29.0% in RML 95/RML 96 (hybrid variety) at May planting, respectively. The crop planted from January to February reached into knee height stage when the temperature ranged 25-28°C during February to March which was more favorable for the growth and development of borers. September planting was the best time for hybrids, and September as well as March planting was best time for open pollinated variety with respect to low borer incidence in Chitwan condition. Link for e-copy: https://afu.edu.np/sites/default/files/Effect_of_planting_dates_of_maize-on-the_ [...] [article] Effect of planting dates of maize on the incidence of borer complex in Chitwan, Nepal [printed text] / G. Bhandari, Author ; R.B Thapa, Author ; Y. P. Giri, Author ; H. K. Manandhar, Author . - 2018 . - 107-118 p. Languages : English (eng) in Journal of Agriculture and Forestry University > Volume 2 (2018) . - 107-118 p. Keywords: Maize, planting date, borer complex, temperature, season Abstract: Borer complex (Chilo partellus Swinhoe and Sesamia inferans Walker) are the major pests of maize in Nepal. Infestation of maize borer complex as well as climatic variability of growing areas are the major causes for low production and productivity of maize as compared to neighboring countries. Therefore, an experiment was conducted to find out the effect of planting time on open pollinated and hybrid maize variety for the incidence of borer complex during winter, spring, and summer seasons at the experimental field of National Maize Research Program, Chitwan. The experiment was conducted using Randomized Complete Block design with a factorial combination of treatments, each replicated for three times, for two maize genotypes, at every 10 days interval. The results showed that borer incidence varied with maize planting dates and genotypes. The highest plant damage by stem borers was up to 29.9% in genotype S03TLEY-FM (open pollinated variety) and 29.0% in RML 95/RML 96 (hybrid variety) at May planting, respectively. The crop planted from January to February reached into knee height stage when the temperature ranged 25-28°C during February to March which was more favorable for the growth and development of borers. September planting was the best time for hybrids, and September as well as March planting was best time for open pollinated variety with respect to low borer incidence in Chitwan condition. Link for e-copy: https://afu.edu.np/sites/default/files/Effect_of_planting_dates_of_maize-on-the_ [...]