Results 121 to 130 of about 609,815 (171)
Some of the next articles are maybe not open access.
Preference Assessment of White-backed Planthopper Feeding on Rice
Journal of Visualized Experiments, 2020Exploiting insect-resistant rice germplasm resources and related genes is the primary need for breeding insect-resistant varieties, but the accuracy of the identification of insect-resistant phenotypes of rice is a major difficulty. It is urgent to develop a new method or improve existing methods to screen rice for insect resistance.
Lei, Zhang, Chao, Wu, Yutao, Xiao
openaire +2 more sources
Biosystematics of rice brown planthopper and rice green leafhoppers
Proceedings: Animal Sciences, 1987The Brown planthopper,Nilaparvata lugens (Stal) is causing serious damage to rice cultivation in tropical countries of Asia for the last 10–15 years. Green leafhoppers,Nephotettix spp. are also assuming serious proportions in different parts. This has been attributed to improved rice production technology, especially with the introduction of high ...
openaire +1 more source
Genetic and biochemical mechanisms of rice resistance to planthopper
Plant Cell Reports, 2016This article presents a comprehensive review on the genetic and biochemical mechanisms governing rice-planthopper interactions, aiming to contribute substantial planthopper control and facilitate breeding for resistance to planthoppers in rice. The rice planthopper is the most destructive pest of rice and a substantial threat to rice production.
Yang, Ling, Zhang, Weilin
openaire +2 more sources
Efficacy of Insecticides Against Rice White Backed Planthopper
Indian Journal of Entomology, 2023Efficacy of some insecticides (pymetrozine 50WG, sulfoxaflor 24SC and imidacloprid 17.8SL) was evaluated against rice white backed plant hopper (WBPH) Sogatella furcifera Horvath. Sulfoxaflor 24SC @218.7 g a.i./ ha and pymetrozine 50WG @ 187.5 g a.i./ ha gave significantly results (7.57 and 7.82/ hill, respectively).However, highest grain and straw ...
S. S. Thorat +2 more
openaire +1 more source
Mechanisms of Rice Planthopper Resistance to Insecticides
2014History of insecticidal control of rice planthoppers in Asia and associated resistance development is summarized. Rice planthoppers have developed resistance against all the insecticides that were commonly used. Experiences of past 30 years of chemical control of the rice planthoppers in many parts of Asia confirm that the use of any kind of ...
Zewen Liu +5 more
openaire +1 more source
Can polycultural manipulation effectively control rice planthoppers in rice-based ecosystems?
Crop Protection, 2011Abstract Rice planthoppers (mainly Nilaparvata lugens (Stal) and Sogatella furcifera Horvath) are the most destructive rice pests throughout southeastern and eastern Asia. Planthopper feeding often causes “hopper burn” and reduces rice yields. Currently, insecticide use is the sole pest management option available to most Chinese farmers. Because
S. Lin, M.S. You, G. Yang, L.L. Chen
openaire +1 more source
Madras Agricultural Journal, 2000
Of 15 planthopper resistant varieties evaluated for resistance to Sogatella furcifera, nine had high levels of resistance. Among the IR varieties, IR 36 and IR 56 had field resistance to Sfurcifera as indicated by their susceptibility in the standard seedbox test and resistance as older plants in the modified seedbox test. Insect growth and development,
VELUSAMY R, GANESH KUMAR M
openaire +1 more source
Of 15 planthopper resistant varieties evaluated for resistance to Sogatella furcifera, nine had high levels of resistance. Among the IR varieties, IR 36 and IR 56 had field resistance to Sfurcifera as indicated by their susceptibility in the standard seedbox test and resistance as older plants in the modified seedbox test. Insect growth and development,
VELUSAMY R, GANESH KUMAR M
openaire +1 more source
The ROI of Rice Planthopper by image processing
2017 International Conference on Applied System Innovation (ICASI), 2017Rice Planthopper (RPH) infestation in paddy field is a serious disaster in Asia every year. Finding RPHs based on image processing is an important thing before RPHs growth. We propose a region of interest (ROI) method to detect RPHs clearly. First, get rectangle ROI in HSV space and do color analysis. By using decision tree algorithm, classify analytic
Tsung-Han Tsai +2 more
openaire +1 more source
Resistance to Planthoppers and Southern Rice Black-Streaked Dwarf Virus in Rice Germplasms
Plant DiseaseThe damage caused by the white-back planthopper (WBPH, Sogatella furcifera) and brown planthopper (BPH, Nilaparvata lugens), as well as southern rice black-streaked dwarf virus (SRBSDV), considerably decreases the grain yield of rice. Identification of rice germplasms with sufficient resistance to planthoppers and SRBSDV is essential to the breeding ...
Wenjuan Yu +10 more
openaire +2 more sources