trifoliolate leaf


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Words related to trifoliolate leaf

having three leaflets

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Four neonate (<5 h old) larvae were placed on an unexpanded trifoliolate leaf of each plant using a 000-size camel's hair brush when plants were at the V2 stage (Fehr et al., 1971).
One whole trifoliolate leaf was placed in a Petri dish (100 x 25 mm), and infested with three neonate larvae.
Plants were sown side by side within the row (approximately 5 seeds [m.sup.-1]) and sprayed with 0, 400 (commercial dosage), and 800 g GA [ha.sup.-1] (Liberty, Aventis) at the first trifoliolate leaf stage.
Hume and Jackson (1981) reported that the cotyledonary and first trifoliolate leaf stages of soybean were more tolerant to freezing temperature (-3.8 [degrees] C) than the unifoliolate leaf stage.
In general, legume species (except field pea) had hypocotyl arc, unifoliolate leaf, first trifoliolate leaf, and second trifoliolate leaf stages corresponding to 1, 2, 3, and 4 wk of age.
Resistant and susceptible near-isogenic lines were easily distinguished by the absence and presence, respectively, of foliar BSR symptoms to or above the node bearing the first trifoliolate leaf (Hanson et al., 1988) (data not included).
The detached leaf assay measures the size of a lesion produced by placing a mycelial plug on the trifoliolate leaf and presumably measures physiological resistance and not escape mechanisms.
When the plants had reached the V4 stage (Fehr and Caviness, 1977), the most recently developed fully expanded trifoliolate leaf of each plant was detached and wrapped in a wet paper towel for transferring to the laboratory.
Seedlings of 96 PIs and the cultivars `Bigbee' and `Multicut' were grown in the greenhouse in winter 1993-1994 and mechanically inoculated with BYMV-Ky204-1 at the 2-4 trifoliolate leaf stage.
Seedlings of 96 PI accessions and the cultivars `Multicut' (1) and `Bigbee' (2) were grown in the greenhouse in winter 1993-1994 and mechanically inoculated (3) with BYMV-Ky204-1 at the 2-4 trifoliolate leaf stage.
Seventy seedlings of each line were grown in the greenhouse and mechanically inoculated with BYMV (Ky204-1) at the 2-4 trifoliolate leaf stage and again four wks later.
One trifoliolate leaf per plant was inoculated by atomizing a conidial suspension (2.5 mL) onto the upper and lower leaf surfaces.
The three leaflets of the first or second trifoliolate leaf of all those genotypes still resistant or intermediate were then inoculated with twin surgical blades (Pastor-Corrales et al., 1981) about 3 wk after sowing.
The response of flooded and control plants to different Ag concentrations was evaluated by measuring leaf greenness on each leaflet of the second trifoliolate leaf (V3 leaf) with a leaf chlorophyll meter (Minolta SPAD-502, Minolta Camera Co.
In both greenhouse experiments, five seeds of the soybean cultivar `Kenwood-94' were sown in each pot and seedlings were thinned to three plants per pot after the emergence of the first trifoliolate leaf. 'Kenwood' was chosen because it is a cultivar of known parentage that is adapted to Iowa and is often used as a check cultivar by plant breeders.