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Plant-associated CO mediates long-distance host location and foraging behaviour of a root herbivore.
Elife
April 2021
Institute of Biology, University of Neuchâtel, Neuchâtel, Switzerland.
Insect herbivores use different cues to locate host plants. The importance of CO in this context is not well understood. We manipulated CO perception in western corn rootworm (WCR) larvae through RNAi and studied how CO perception impacts their interaction with their host plant.
View Article and Find Full Text PDFColonization and community structure of arbuscular mycorrhizal fungi in maize roots at different depths in the soil profile respond differently to phosphorus inputs on a long-term experimental site.
Mycorrhiza
May 2017
Department of Plant Nutrition, College of Resources and Environmental Science, China Agricultural University, Yuanmingyuan West Road 2, Beijing, 100193, People's Republic of China.
Effects of soil depth and plant growth stages on arbuscular mycorrhizal fungal (AMF) colonization and community structure in maize roots and their potential contribution to host plant phosphorus (P) nutrition under different P-fertilizer inputs were studied. Research was conducted on a long-term field experiment over 3 years. AMF colonization was assessed by AM colonization rate and arbuscule abundances and their potential contribution to host P nutrition by intensity of fungal alkaline phosphatase (ALP)/acid phosphatase (ACP) activities and expressions of ZmPht1;6 and ZmCCD8a in roots from the topsoil and subsoil layer at different growth stages.
View Article and Find Full Text PDFBurkholderia ambifaria and B. caribensis promote growth and increase yield in grain amaranth (Amaranthus cruentus and A. hypochondriacus) by improving plant nitrogen uptake.
PLoS One
January 2015
Centro de Investigación y de Estudios Avanzados-Unidad Irapuato, Irapuato, Guanajuato, México.
Grain amaranth is an emerging crop that produces seeds having high quality protein with balanced amino-acid content. However, production is restricted by agronomic limitations that result in yields that are lower than those normally produced by cereals. In this work, the use of five different rhizobacteria were explored as a strategy to promote growth and yields in Amaranthus hypochondriacus cv.
View Article and Find Full Text PDFPlant nitrogen assimilation and use efficiency.
Annu Rev Plant Biol
April 2013
State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, China.
Crop productivity relies heavily on nitrogen (N) fertilization. Production and application of N fertilizers consume huge amounts of energy, and excess is detrimental to the environment; therefore, increasing plant N use efficiency (NUE) is essential for the development of sustainable agriculture. Plant NUE is inherently complex, as each step-including N uptake, translocation, assimilation, and remobilization-is governed by multiple interacting genetic and environmental factors.
View Article and Find Full Text PDFEffect of nitrogen nutrition on the carbohydrate repression of photosynthesis in leaves of Phaseolus vulgaris L.
J Plant Res
May 2010
Department of Biological Sciences, Graduate School of Science, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.
When carbohydrates accumulate in leaves, photosynthesis is repressed. Limited nitrogen nutrition is thought to enhance this repressing effect. However, the interaction between carbohydrate and nitrogen limitation in leaf photosynthesis has not been examined intensively.
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