EFFECTS OF CULTIVAR AND PLANT DENSITY ON GROWTH, DEVELOPMENT AND DRY MATTER DISTRIBUTION IN POTATO

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DAMAVANDI ALI; ASL GORGANI R.

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Journal: JOURNAL OF AGRICULTURAL KNOWLEDGE Year:2006 | Volume:15 | Issue:4 Page(s): 25-39

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Title

EFFECTS OF CULTIVAR AND PLANT DENSITY ON GROWTH, DEVELOPMENT AND DRY MATTER DISTRIBUTION IN POTATO

Author(s)

DAMAVANDI ALI | ASL GORGANI R. | Issue Writer Certificate

Keywords

DRY MATTER DISTRIBUTIONQ3

PLANT DENSITYQ2

POTATOQ3

Abstract

In order to evaluate the effects of cultivar and PLANT DENSITY on growth, development and the ratio of tuber dry weight to shoot dry weight in POTATO an experiment was conducted during 1996 in Bostan Abad located at 55 km east of Tabriz. A factorial experiment with randomized complete block design and three replications was used. Combinations of five cultivars; Alpha, Draga, Cozima, Morene and Auola, with three planting densities; 50000, 62500 and 75000 plants per ha-1 (27, 22 and 18 cm between plants on row and 75 cm row spacing, respectively) were used. The differences among cultivars for the number of days to emergence, tuber set and flowering, number of stems per plant and per square meter at maturity, highest length of stem in one month after emergence and at maturity, dry weight of stem and leaf per plant and per square meter in one month after emergence and at maturity and also ratio of tuber dry weight to shoot dry weight were significant. In cultivars studied, Draga and Morene had highest and lowest ratio of tuber dry weight to shoot dry weight, respectively, but the difference among Draga, Cozima and Auola was not significant. All of traits studied, except number of days to emergence and to tuber set were affected by PLANT DENSITY. The number of days to flowering, highest length of stem in one month after emergence and at maturity, the number of stem and dry weight of stem and leaf per square meter in one month after emergence and at maturity were incerased as PLANT DENSITY increased, but the number of stem and dry weight of stem and leaf per plant in one month after emergence and at maturity were lower with higher PLANT DENSITY. Ratio of tuber dry weight to shoot dry weight was increased by increasing PLANT DENSITY from 50000 to 62500 plants per ha-1, but decreased by increasing PLANT DENSITY from 62500 to 75000 plants per ha-1. However, the difference between plant densities of 50000 and 62500 plants per ha-1 were not significant. With respect to this experiment, planting of Draga cultivar at 62500 plants per ha-1 is recommendable for POTATO production under climatical conditions of Bostan Abad.

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APA: Copy

DAMAVANDI, ALI, & ASL GORGANI, R.. (2006). EFFECTS OF CULTIVAR AND PLANT DENSITY ON GROWTH, DEVELOPMENT AND DRY MATTER DISTRIBUTION IN POTATO. JOURNAL OF AGRICULTURAL KNOWLEDGE, 15(4), 25-39. SID. https://sid.ir/paper/28955/en

Vancouver: Copy

DAMAVANDI ALI, ASL GORGANI R.. EFFECTS OF CULTIVAR AND PLANT DENSITY ON GROWTH, DEVELOPMENT AND DRY MATTER DISTRIBUTION IN POTATO. JOURNAL OF AGRICULTURAL KNOWLEDGE[Internet]. 2006;15(4):25-39. Available from: https://sid.ir/paper/28955/en

IEEE: Copy

ALI DAMAVANDI, and R. ASL GORGANI, “EFFECTS OF CULTIVAR AND PLANT DENSITY ON GROWTH, DEVELOPMENT AND DRY MATTER DISTRIBUTION IN POTATO,” JOURNAL OF AGRICULTURAL KNOWLEDGE, vol. 15, no. 4, pp. 25–39, 2006, [Online]. Available: https://sid.ir/paper/28955/en

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