Evaluation of tomato hybrids for resistance to geminiviruses in Sanarate, Guatemala: October 04
Selections from Gc178-2-3 (L. chilense resistance)
Parents: M82 (blocky) and Gc9 (round)
(F3 plants were in the field)
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Commerical hybrid, Silverado, grown in our high virus pressure plots at Sanarate, Guatemala. Over 300 plants of commerical hybrids were planted in the plot area and all had a DSI = 3.5 or greater. Essential no yield. Plants shown below (code 55 plants) were in the same block but image taken 12 days later, so more leaf damage. |
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Experimental line, code 55-b, grown in our high virus pressure plots at Sanarate, Guatemala. F3 plant, DSI = 2; red; shape 38; firmness 40; length 5 cm; color 35; weight 110 g; yield 45; vigor 40; overall 90 (outstanding plant). g, j2+, T=1 |
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Experimental line, code 55-c, grown in our high virus pressure plots at Sanarate, Guatemala. F3 plant, DSI = 2; red; shape 33; firmness 40; length 5 cm; color 40; weight 100 g; yield 35; vigor 40; overall 80 (excellent plant). See fruit. g, j2+, T=1
Also, a plant (code 55-a) with fruit shape of 48 (nearly round) and 110 g was also selected and this plant had an overall score of 90. See fruit.
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