We claim:
1. A method for editing a spreadsheet comprising a plurality of cells, comprising the steps:
displaying the spreadsheet;
when an input device indicator is positioned over one of the cells of the spreadsheet, receiving from an input device an input signal comprising one of a single alphanumeric character and single button data indication;
in response to the input signal, selecting the cell of the spreadsheet;
when an input device indicator is positioned over one of the cells of the spreadsheet, receiving from the input device a second input signal comprising one of a single alphanumeric character and single button data indication;
in response to the second input signal, entering the edit mode for editing contents of the selected cell.
2. The method of claim 1, wherein the input device is represented on the display screen by an input device indicator having a predetermined shape, further comprising the step of changing the appearance of the input device indicator from a first predetermined shape to a second predetermined shape when the input device indicator is positioned over the selected cell.
3. The method of claim 2, wherein the first predetermined shape comprises a plus symbol, and the second predetermined shape comprises an I-bar.
4. The method of claim 1, further comprising the steps:
when an input device indicator is positioned over one of the cells of the spreadsheet, receiving from the input device a third input signal comprising one of a single alphanumeric character and single button data indication;
in response to the third input signal, providing a first position indication corresponding to the position of the input device indicator when the third input signal was initiated;
in response to the input device being moved while the third input signal is maintained, providing visual feedback corresponding to a selection region, the selection region including a rectangular area extending from the first position indication through a current position indicator data;
in response to the input signal terminating, selecting the range of cells that are included in the selection region; and
in response to selecting the range of cells, exiting the edit mode.
5. The method of claim 1, wherein the input device is a mouse and the second input signal indicating the entry into the edit mode comprises a single mouse click.
6. The method of claim 1, wherein the spreadsheet is displayed within a web browser.
7. The method of claim 6, wherein the spreadsheet is remotely accessible and editable across the World Wide Web.
8. A computer system for editing a spreadsheet comprising a plurality of cells, comprising:
a processing unit;
an input device connected to the processing unit;
a memory storage device operative for storing a program module;
a display device, coupled to the processing unit, operative to display the spreadsheet on a display screen;
an input device indicator, operative to move across the display screen in response to a signal from the input device; and
a processing unit, responsive to instructions from the program module running on the computer system, operative to:
display the spreadsheet within a web browser window;
receive from the input device an indication that one of the cells has been selected;
in response to the indication that a cell has been selected, select the cell;
receive from the input device an indication that the input device indicator is positioned over the selected cell;
in response to the indication that the input device indicator is positioned over the selected cell, change the input device indicator to a predetermined icon indicating that edit mode is available;
receive from the input device an indication that a selected cell has been selected; and
in response to the indication that a selected cell has been selected, enter an edit mode for editing the contents of the selected cell.
9. The system of claim 8, wherein the input device indicator is a mouse and the indication that a selected cell has been selected is a single mouse click.
10. The system of claim 9, further operative to:
receive from the input device an indication that a cell has been selected;
in response to receiving from the input device an indication that a cell has been selected, providing a first position indication corresponding to the position of the input device;
in response to the input device being moved while the indication that a cell has been selected is maintained, providing visual feedback corresponding to a selection region, the selection region including a rectangular area extending from the first position indication through the current position data;
in response to the indication that a cell has been selected terminating, selecting the range of cells that are included in the selection region; and
in response to selecting the range of cells, exiting edit mode.
11. The system of claim 10, in which the visual feedback corresponding to a selection region comprises a range of cells, the background of which is a color contrasting with the color of the spreadsheet.
12. A computer-readable medium on which is stored a program module for editing a spreadsheet comprising a plurality of cells, the program module comprising instructions which, when executed by a computer, performs the steps of:
displaying the spreadsheet;
receiving an indication that a cell has been selected;
in response to the indication that the cell has been selected, displaying a first visual indication around the selected cell;
receiving an indication that a selected cell has been selected;
in response to the indication that the selected cell has been selected, entering an edit mode for editing the contents of the selected cell, the edit mode indicated by displaying a second visual indication around the edit cell;
receiving position data from an input device, the position data indicative of the position of an input device indicator;
receiving from the input device an indication that the edit cell has been selected;
in response to the indication that the edit cell has been selected, providing a first position indication corresponding to the position of the input device indicator when the third input signal was initiated;
in response to the input device being moved while the indication that the edit cell has been selected is maintained, providing visual feedback corresponding to a selection region, the selection region including a rectangular area extending from the first position indication through the current position data;
in response to the input signal terminating, selecting the range of cells that are included in the selection region; and
in response to selecting the range of cells, exiting edit mode.
13. The computer-readable medium of claim 12, further comprising the steps of:
receiving an indication that the input device indicator is positioned over the selected cell;
in response to the input device indicator being positioned over the selected cell, changing the input device indicator to a predetermined icon indicating that the cell may be edited.
14. The computer-readable medium of claim 13, in which the predetermined icon indicating that the cell may be edited comprises an I bar.
15. The computer-readable medium of claim 14, in which the indication that the user has selected the selected cell is a single mouse click.
16. The computer-readable medium of claim 12, further comprising the step of:
analyzing whether the contents of the edit cell extend beyond the initial boundaries of the edit cell; and
extending the boundaries of the edit cell as necessary to accommodate more data in the edit cell than can be accommodated within the initial boundaries of the cell.
17. The computer-readable medium of claim 12, in which the spreadsheet is stored remotely from the program module and is displayed within a web browser window.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method of selecting a tomato plant, comprising exposing a tomato plant to continuous light and
(a) determining whether said exposed plant exhibits tolerance to exposure to continuous light, wherein said tolerance is indicated by decreased level of chlorosis upon said exposure as compared to a control plant,
(b) determining whether said exposed plant exhibits a significant increase in yield upon exposure to continuous light as compared to a control plant, and
(c) selecting said exposed plant in case it exhibits tolerance to exposure to continuous light and a significant increase in yield upon exposure to continuous light.
2. A method for increasing the yield of a tomato plant line, said method comprising:
(a) selecting a tomato plant by the method according to claim 1;
(b) crossing the thus selected plant with a plant of said tomato plant line the yield of which is to be increased to produce offspring plants;
(c) optionally backcrossing or selfing said offspring plant to produce further offspring plants, and
(d) selecting from said offspring plants of step (b) or (c) a plant having tolerance to continuous light and having increased yield as compared to said plant of said tomato plant line used in step (b).
3. Method according to claim 2, wherein said selected plant is not a plant of the variety \u201cSubarctic plenty\u201d.
4. Method according to claim 1, wherein said determination of tolerance to continuous light in step (a) is performed by using a molecular marker.
5. Method according to claim 4, wherein said molecular marker is selected from the group consisting of markers 1-28 of FIG. 11 or a polymorphism linked to tolerance to continuous light in a gene listed in Table 3.
6. A method for producing a tomato plant that is tolerant to exposure to continuous light, said method comprising steps of:
a) providing a donor tomato plant tolerant to exposure to continuous light, wherein said donor tomato plant is S. neorickii, S habrochaites, S. pennellii, S. lycopersicum, S peruvianum, S. chilense, or S. chemielewskii;
b) transferring nucleic acid from said donor tomato plant to at least one recipient tomato plant which is not tolerant to exposure to continuous light, wherein said transfer results in the introduction of genomic material from said donor tomato plant in the corresponding region of the genome of said at least one recipient tomato plant; and
c) selecting from said at least one recipient tomato plant a plant that comprises within its genome a gene for tolerance to continuous light derived from said donor tomato plant, wherein said selection comprises detecting in chromosome 7 of said recipient tomato plant at least one genetic marker linked to said gene for tolerance to continuous light.
7. Method according to claim 6, wherein the location of said gene on chromosome 7 of said plant is indicated by a genomic region linked to the genetic markers \u201c7-20-1\u201d andor \u201c7-20-2\u201d on chromosome 7 of S. neorickii, \u201c7-10\u201d, \u201c7-25\u201d on chromosome 7 of S. neorickii, \u201c7-17\u201d, \u201c7-25\u201d on chromosome 7 of S. chilense, \u201c7-19\u201d, or \u201c7-25\u201d on chromosome 7 of S. pennellii.
8. Method according to claim 6, wherein said transfer of nucleic acid comprising at least one gene for tolerance to continuous light, or a tolerance-conferring part thereof, is performed by crossing said donor tomato plant tolerant to exposure to continuous light with a recipient tomato plant which is not tolerant to exposure to continuous light, to produce offspring plants comprising said gene as an introgression, and wherein step c) is performed on at least one offspring plant.
9. Method according to claim 6, wherein step c) is performed by detecting said genetic marker in DNA isolated from said at least one recipient tomato plant.
10. Method according to claim 6, wherein said step c) comprises subjecting said plant to a bioassay for determining its tolerance to continuous light or wherein said step c) comprises the detection of a molecular marker selected from the group consisting of markers 1-28 of FIG. 11 or a polymorphism linked to tolerance to continuous light in a gene listed in Table 3.
11. A tomato plant tolerant to continuous light or a part thereof, obtainable by a method according to claim 1.
12. An isolated gene that confers tolerance to continuous light to a tomato plant, wherein the location of said gene on chromosome 7 of a tomato plant is indicated by a genomic region linked to the genetic markers \u201c7-20-1\u201d andor \u201c7-20-2\u201d on chromosome 7 of S. neorickii, \u201c7-10\u201d andor \u201c7-25\u201d on chromosome 7 of S. neorickii, \u201c7-17\u201d andor \u201c7-25\u201d on chromosome 7 of S. chilense, \u201c7-19\u201d andor \u201c7-25\u201d on chromosome 7 of S. pennellii.
13. An isolated DNA sample obtained from a tomato plant comprising a gene according to claim 12.
14. A method for detecting a gene for tolerance to continuous light, comprising detecting at least one genetic marker linked to a gene for tolerance to continuous light on chromosome 7 of a plant suspected of harbouring said gene, wherein the location of said gene on chromosome 7 of said plant is indicated by a genomic region linked to the genetic markers \u201c7-20-1\u201d andor \u201c7-20-2\u201d on chromosome 7 of S. neorickii, \u201c7-10\u201d andor \u201c7-25\u201d on chromosome 7 of S. neorickii, \u201c7-17\u201d andor \u201c7-25\u201d on chromosome 7 of S. chilense, \u201c7-19\u201d andor \u201c7-25\u201d on chromosome 7 of S. pennellii.
15. A continuous light-tolerant tomato plant, or a part thereof, comprising within its genome a gene for tolerance to continuous light, or a tolerance-conferring part thereof, wherein the location of said gene on chromosome 7 of said plant is indicated by a genomic region linked to the genetic markers \u201c7-20-1\u201d andor \u201c7-20-2\u201d on chromosome 7 of S. neorickii, \u201c7-10\u201d andor \u201c7-25\u201d on chromosome 7 of S. neorickii, \u201c7-17\u201d andor \u201c7-25\u201d on chromosome 7 of S. chilense, \u201c7-19\u201d andor \u201c7-25\u201d on chromosome 7 of S. pennellii wherein said gene or said continuous light-tolerance-conferring part thereof is not in its natural genetic background.
16. A method of producing a continuous light-tolerant inbred tomato plant, comprising the steps of:
a) producing a continuous light-tolerant tomato plant according to claim 1;
b) crossing said continuous light-tolerant tomato plant with itself or another tomato plant to yield progeny tomato seed;
c) growing said progeny tomato seed of step b) to yield an additional continuous light-tolerant tomato plant;
d) repeating the crossing and growing steps from 0 to 7 times to generate a continuous light-tolerant inbred tomato plant.
17. Method according to claim 16, wherein step c) further comprises the step of identifying plants that exhibit continuous light tolerance and possess commercially desirable characteristics.
18. Method according to claim 16, wherein said method further comprises the step of selecting homozygote inbred tomato plants.
19. A continuous light-tolerant inbred tomato plant, or parts thereof, obtainable the method according to claim 16.
20. A hybrid tomato plant, or a part thereof, that exhibits tolerance to continuous light, wherein said hybrid tomato plant is obtainable by crossing a continuous light-tolerant inbred tomato plant obtainable by a method according to claim 11 with an inbred tomato plant that exhibits commercially desirable characteristics.
21. A method of detecting a continuous light-tolerant tomato plant comprising identifying a genetic marker within said tomato plant selected from the group consisting of the genetic markers 1-28 of FIG. 11 or a polymorphism linked to tolerance to continuous light in a gene listed in Table 3.
22. An indeterminate tomato plant, tolerant to exposure to continuous light or a part thereof.
23. A tissue culture of regenerable cells of the tomato plants of claim 11, said regenerable cells comprise cells or protoplasts isolated from a tissue selected from the group consisting of leaves, pollen, embryos, roots, root tips, anthers, flowers, fruits, and stems and seeds.