Rate of fruit development, leaf growth, and earliness in determinate tomatoes

1991 ◽  
Vol 71 (4) ◽  
pp. 1211-1218 ◽  
Author(s):  
V. Poysa

The component subperiods of reproductive development as well as rate of leaf growth were determined for three trusses in eight determinate tomato (Lycopersicon esculentum L. Mill) genotypes in an attempt to identify effective selection criteria for improving earliness. Days from transplanting to anthesis and first red fruit to the first truss correlated well with days to plant maturity (r = 0.58 and r = 0.63 respectively; P < 0.01). These correlations were stronger for full season genotypes (r = 0.53 to r = 0.69) than for early maturing genotypes (r < 0.41). Plant maturity was correlated moderately better with these periods in the later trusses than in the first truss. Leaf growth parameters were not correlated significantly with either earliness or fruit yield. Key words: Tomato, Lycopersicon esculentum, earliness

1976 ◽  
Vol 54 (21) ◽  
pp. 2421-2428 ◽  
Author(s):  
Warren K. Coleman ◽  
Richard I. Greyson

Growth analysis indicates that the plastochron index (PI) is consistently applicable for describing the morphological status of the vegetative tomato shoot in quantitative terms, and pronounced seasonal variability in the growth habit is minimized. However, the PI is not applicable to tomato shoots after flower buds are produced at the vegetative apex. True leaf no. 3 goes through four growth stages which can be characterized in terms of the leaf plastochron index (LPI3). A basipetal trend in leaf growth and development is evident.


2016 ◽  
Vol 15 (20) ◽  
pp. 816-822 ◽  
Author(s):  
O Akinwale R ◽  
A B Fakorede M ◽  
Oluwaranti A ◽  
Badu Apraku B ◽  
I Adejumobi I

1976 ◽  
Vol 16 (80) ◽  
pp. 387 ◽  
Author(s):  
P Farrington

Reproductive development, and the distribution of dry matter and nitrogen were followed in field plantings of Lupinus angustifolius cv. Uniharvest and L. cosentinii selection CB12 from the start of flowering until maturity. L. cosentinii (CBI 2) commenced flowering one week earlier, but developed one less order of inflorescences and fewer flowers than L. angustfiolius (Uniharvest) ; yet it set more pods and produced more seed. In both species seeds did not commence to fill until the leaves began to fall shortly after flowering ended. Seeds in pods on all orders of inflorescence filled concurrently. The increase in seed weight coincided with a rapid fall in the nitrogen content of other fractions of the tops.


Evaluation of fish assemblage environment in Huwazah marsh, Iraq using Integrated Biological Index Abdul-Razak Mahmoud Mohamed DOI: 10.15192/PSCP.AAB.2014.1.3.105111 Pages: 105-111 [ Abstract ] Effective Selection Criteria For Evaluating Some Barley Crosses For Water Stress Tolerance Fawzy F. Saad, Ashraf A. Abd El-Mohsen, Mohamed A. Abd El-Shafi and Ismaeil H. Al-Soudan DOI: 10.15192/PSCP.AAB.2014.1.3.112123 Pages: 112-123 [ Abstract ] Hyperproduction Of Urate Oxidase By Wild And Mutated Bacillus Subtilis (Bem-2) Munazzah Meraj, Khalil-ur-Rahman, Sadia Javed, Rao Irfan DOI: 10.15192/PSCP.AAB.2014.1.3.124130 Pages: 124-130 [ Abstract ] Influence of Rice-farming Herbicide (2, 4-Dichlorophenoxyl Acetic Acid) on the Development of Culex pipiens pipiens (Diptera: Culicidae), a Major Swamp-breeding Mosquito Vector of Filariasis Olayemi I. K, Akpan B, Ejima I. A. A, Ukubuiwe AC and Olorunfemi O. J DOI: 10.15192/PSCP.AAB.2014.1.3.131134 Pages: 131-134 [ Abstract ] Influence of Temperature on Survivorship and Growth Performance of Heteroclarias Fingerlings under Laboratory Conditions Ayanwale A. V, Tsadu S. M, Kolo R. J, Lamai S. L, Falusi F. M and Baba B. M DOI: 10.15192/PSCP.AAB.2014.1.3.135139 Pages: 135-139 [ Abstract ] Morphometrics of Selected Fish Species from Tagwai Lake, Minna, Niger State, Nigeria Chukwuemeka V. I, Tsadu S. M, Ayanwale V. A, Erhabor O.F and Falusi F. M DOI: 10.15192/PSCP.AAB.2014.1.3.140143 Pages: 140-143 [ Abstract ] Quantification of resistance of F6 sesame elite lines against Charcoal-rot and Fusarium wilt diseases R. Shabana, A. A. Abd El-Mohsen, M. M. A. Khalifa and A. A. Saber DOI: 10.15192/PSCP.AAB.2014.1.3.144150 Pages: 144-150 [ Abstract ] Comparison of the Main Essential Oil Components of Different Species of Satureja from Iran Shahram Sharafzadeh DOI: 10.15192/PSCP.AAB.2014.1.3.151153 Pages: 151-153 [ Abstract ]

2014 ◽  
Vol 1 (3) ◽  
pp. 105-111
Author(s):  
Abdul-Razak Mahmoud Mohamed

HortScience ◽  
1990 ◽  
Vol 25 (9) ◽  
pp. 1141c-1141
Author(s):  
John R. Stommel

Sugar accumulation throughout fruit development in the cultivated tomato (Lycopersicon esculentum) and a wild green-fruited species (L. peruvianum) are being examined. Results obtained using HPLC demonstrate that the fruit of L. peruvianum accessions accumulate the disaccharide, sucrose, in addition to the monosaccharides, glucose and fructose, common to L. esculentum. When detectable, sucrose in the L. esculentum cultivar FM6203 was present at very low levels throughout development. Analysis of mature fruit of L. esculentum var. cerasiforme, L. pimpinellifolium, and L. cheesmanii accessions indicate glucose and fructose as the primary storage sugars. Similar to L. peruvianum, mature fruit of the green-fruited species, L. hirsutum f. typicum and L. hirsutum f. glabratum, accumulate sucrose in addition to glucose and fructose.


HortScience ◽  
1996 ◽  
Vol 31 (4) ◽  
pp. 682e-682
Author(s):  
B.E. Maust ◽  
J.G. Williamson ◽  
R.L. Darnell

A field experiment was conducted in Gainesville, Fla., with two southern highbush blueberry cultivars, `Misty' and `Sharpblue', to investigate the influence of varying flower bud load on the timing and extent of vegetative and reproductive development. Flower bud load was adjusted on three different canes on ten plants by removing none, one-third, or two-thirds of the flower buds. Vegetative budbreak, leaf area, fruit number, and fruit fresh weight and dry weight were measured. Vegetative budbreak was delayed with increasing flower bud load. Vegetative budbreak, leaf area, and leaf area: fruit ratio decreased with increasing flower bud load. Fruit maturity was delayed and average berry fresh weight and dry weight declined with decreasing leaf area:fruit ratio. Responses were similar for both cultivars although `Misty' was more adversely affected by high flower bud load and low leaf area: fruit ratio.


1990 ◽  
Vol 115 (2) ◽  
pp. 298-301 ◽  
Author(s):  
Robert W. McMahon ◽  
Cecil R. Stewart ◽  
Richard J. Gladon

Chlorophyll a and b contents were determined in developing tomato fruit (Lycopersicon esculentum Mill. `Heinz 1350') at 5-day increments from 10 or 15 days past anthesis to fulIy ripe (55 to 60 days). When presented on a whole-fruit basis, chlorophyll a and b contents increased from 15 days past anthesis to 35 days and then decreased to zero at 55 days. Porphobilinogen (EC 4.2.1.24; PBG) deaminase activity was measured in extracts from the fruit, and changes in PBG deaminase activity correlated with changes in chlorophyll and protein contents with respect to fruit age. Partial characterization of tomato PBG deaminase enzyme showed similarities to PBG deaminase enzymes isolated from other sources.


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