shoots | Ag Data Commons

Data from: Benzoxazinoids in roots and shoots of cereal rye (Secale cereale) and their fates in soil after cover crop termination

This research characterizes changes in concentrations of BX compounds in shoots, roots, and soil at three growth stages (GS) of cereal rye (Secale cereale L.), and their degradation over time following termination. Includes data and R code.

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Improved Tropical Forage Fertilizer-P Calibration: In support of FRST to conduct state-level soil-fertility correlation and calibration trials for P and/or K

There is a need to validate current soil test critical levels as well as carry out calibration studies (crop response to fertilizer P at varying soil test levels). We report on a calibration experiment using an improved tropical forage, Brachiaria decumbens in a soil with soil test P in the Low category.

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Data from: Host plant water deficit stress impairs reproduction and development of the galling fly (Parafreutreta regalis), a biological control agent of Cape-ivy (Delairea odorata)

Data from choice and no-choice tests associated with the paper cited below. Drought leading to water deficit stress is known to reduce performance of galling insects. The shoot tip-galling fly Parafreutreta regalis has been released for biological control of Cape-ivy (Delairea odorata) in California. Lack of moisture during the dry season causes wilting of Cape-ivy shoots, and subsequent reduced host quantity and quality could influence the fly’s ability to multiply and establish. We imposed water deficit stress on potted Cape-ivy plants, then measured the plant’s and insect’s response to water deficit compared to fully-watered plants.

Soybean Aphids per Plant Among Soybean Lines Containing Various Rag Genes

The files presented here report the number of soybean aphids on soybean lines that differed in the *Rag* genes they contained. Tests were conducted separately against two soybean aphid colonies, which were maintained on soybean plants at North Central Agricultural Research Laboratory (NCARL), USDA-ARS, Brookings, South Dakota, USA.

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Data from: Shoot transcriptome of the giant reed, Arundo donax

The giant reed, *Arundo donax*, is a perennial grass species that has become an invasive plant in many countries. To establish a foundational molecular dataset, an llumina Hi-Seq protocol was used to sequence the transcriptome of actively growing shoots from an invasive genotype collected along the Rio Grande River, bordering Texas and Mexico. The assembly of 27,491 high confidence transcripts (≥200 bp) are reported with at least 70% coverage of known genes in other Poaceae species.

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