The effect of low phosphate supply (low P) was determined on the diurnal changes in the rate of carbon export, and on the contents of starch, sucrose, glucose, and fructose 2,6-bisphosphate (F2,6BP) in leaves. Low-P effects on the activities of a number of enzymes involved in starch and sucrose m...
Rao, Idupulapati M.
,
Terry, Norman
,
[Leaf phosphate status, photosynthesis and carbon partitioning in sugar beet]
,
Leaf phosphate status, photosynthesis and carbon partitioning in sugar beet
Friesen, Dennis K.
,
Rao, Idupulapati M.
,
Thomas, Richard J.
,
Oberson, Astrid
,
Sanz Scovino, José Ignacio
,
[Phosphorus acquisition and cycling in crop and pasture systems in low fertility tropical soils]
,
Phosphorus acquisition and cycling in crop and pasture systems in low fertility tropical soils
Singh, Bal Ram
,
Rao, Idupulapati M.
,
Barrios, Edmundo
,
Amézquita Collazos, Edgar
,
[Potential of tillage, agropastoral, and planted fallow systems in low-fertility tropical soils in Latin America]
,
Potential of tillage, agropastoral, and planted fallow systems in low-fertility tropical soils in Latin America
Rao, Idupulapati M.
,
Barrios, E.
,
Oberson, Astrid
,
Ayarza, Miguel Angel
,
Friesen, Dennis K.
,
[Opportunities for increasing the efficiency of phosphorus use in tropical agroecosystems]
,
Opportunities for increasing the efficiency of phosphorus use in tropical agroecosystems
Soil organic matter (SOM) and phosphorus (P) fractions play a key role in sustaining the productivity of acid-savanna oxisols and are greatly influenced by tillage practices. In 1993, a long-term experiment on sustainable crop rotation and ley farming systems was initiated on a Colombian acid-sav...
Basamba, T.A.
,
Barrios, E.
,
Amézquita Collazos, Edgar
,
Rao, Idupulapati M.
,
Singh, B.R.
,
[Tillage effects on maize yield in a Colombian savanna oxisol : Soil organic matter and P fractions]
,
Tillage effects on maize yield in a Colombian savanna oxisol : Soil organic matter and P fractions
Soil fertility replenishment is a critical factor that many farmers in the tropical American hillsides have to cope with to increase food crop production. The effect of three planted fallow systems (Calliandra houstoniana-CAL, Indigofera zollingeriana-IND, Tithonia diversifolia-TTH) and a crop ro...
Basamba, T.A.
,
Barrios, E.
,
Singh, B.R.
,
Rao, Idupulapati M.
,
[Impact of planted fallows and a crop rotation on nitrogen mineralization and phosphorus and organic matter fractions on a Colombian volcanic-ash soil]
,
Impact of planted fallows and a crop rotation on nitrogen mineralization and phosphorus and organic matter fractions on a Colombian volcanic-ash soil
In many low input agricultural systems, phosphorus (P) is one of the most limiting mineral nutrients for plant production. Although applying P fertilizer, if available, is the most performing practice, this should be accompanied by other measures. The use of genetically enhanced plants with impro...
Ramaekers, L
,
Remans, R
,
Rao, Idupulapati M.
,
Blair, Matthew W.
,
Vanderleyden, J
,
[Strategies for improving phosphorus acquisition efficiency of crop plants]
,
Strategies for improving phosphorus acquisition efficiency of crop plants
Brachiaria forage grasses are widely used for livestock production in the tropics. Signalgrass (Brachiaria decumbens cv. Basilisk, CIAT 606) is better adapted to low phosphorus (P) soils than ruzigrass (B. ruziziensis cv. Kennedy, CIAT 654), but the physiological basis of differences in low-P ada...
Louw-Gaume, A
,
Rao, Idupulapati M.
,
Gaume, A
,
Frossard, Emmanuel
,
[A comparative study on plant growth and root plasticity responses of two Brachiaria forage grasses grown in nutrient solution at low and high phosphorus supply]
,
A comparative study on plant growth and root plasticity responses of two Brachiaria forage grasses grown in nutrient solution at low and high phosphorus supply
The Brachiaria hybrid cv. Mulato is well adapted to low-fertility acid soils deficient in phosphorus (P). To study the grassy forage’s mechanisms for tolerating low P supply, we compared it with rice (Oryza sativa L. cv. Kitaake). We tested by using nutrient solution cultures, and quantified the ...
Nanamori, M
,
Shinano, T
,
Wasaki, J
,
Yamamura, T
,
Rao, Idupulapati M.
,
Osaki, M
,
[Low phosphorus tolerance mechanisms: Phosphorus recycling and photosynthate partitioning in the tropical forage grass, Brachiaria hybrid cultivar mulato compared with rice]
,
Low phosphorus tolerance mechanisms: Phosphorus recycling and photosynthate partitioning in the tropical forage grass, Brachiaria hybrid cultivar mulato compared with rice
Wenzl, Peter
,
Pineda, Carlos A.
,
Rao, Idupulapati M.
,
Mayer, Jorge Edgard
,
[Aluminum-induced phosphorus accumulation in the meristematic zone of root apices of a tropical forage grass, Brachiaria decumbens]
,
Aluminum-induced phosphorus accumulation in the meristematic zone of root apices of a tropical forage grass, Brachiaria decumbens