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EVALUATION OF NEW IRISH POTATO (Solanum tuberosum L.) VARIETIES FOR YIELD POTENTIAL IN ZIMBABWE

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  • Pages:49
  • Format:Microsoft Word
(Agronomy Project Topics & Materials)

Abstract





Irish

potato (Solanum tuberosum L.) is an

important crop in Zimbabwe due to its nutritional and economic worth. The

upgrading of its status to a strategic food crop by the government in 2012 has

created the need for research to increase production, increase germplasm and

diversify staple food crops.
A study to

investigate the yield potential of new Irish potato


varieties was carried out at the Scientific Industrial Research and Development

Centre between June and November 2015. Aim of the study was to evaluate new

varieties to introduced and released in Zimbabwe.
The varieties BRI1,

BRI2, BRI3, BRI4, BRI5, BRI6 and BRI7 were grown with the controls being locally

released varieties Amethyst and BP1 which are long and short season varieties

respectively. The experiment was laid out in a randomised complete block design

with 9 treatments and slope as the blocking factor. Analysis of variance was

done using Genstat 14th edition. Data on yield, number of days to 50

% flowering and number of days to 95 % maturity was recorded. Analysis of variance

showed that there was a significant difference (P<0.05) in the yield of

potatoes due to variety. BRI6 and BRI3 achieved the highest yields of

mso-fareast-font-family:"Times New Roman";color:black;mso-fareast-language:

EN-GB">69.63 and 58.89 t/ha respectively.
BP1

and BRI7 had the lowest yields of 13.22 and

mso-fareast-font-family:"Times New Roman";color:black;mso-fareast-language:

EN-GB">9.89 t/ha respectively. There was a significant difference
(P<0.05)

in number of days to 50 % flowering due to variety. Amethyst and BRI7 took the

highest number of days to 50 % flowering of 30.33 and 29 respectively. BRI6 and

BRI1 took the least number of days to 50 % flowering of 17 and 16.67

respectively. There was a significant difference (P<0.05) on the number of

days to reach 95 % maturity due to variety. BRI7 and BRI5 took the longest number

of days to reach maturity with 139.3 and 136.7 respectively. BRI1 and BP1 took

the least number of days to maturity with 100 days each. The research concluded

that the new varieties had a higher yield potential. BRI6 had the highest yield

followed by BRI3, BRI2, BRI2, BRI4, BRI5, Amethyst, BP1 and BRI1. The varieties

BRI7, BRI5, BRI3, BRI4, BRI2, BRI6 and Amethyst are long season varieties while


mso-ansi-language:EN-US">BRI1 and BP1 are short season varieties. A multi

locational trial is required to determine the yield potential of the varieties

in the different farming regions of the country. The varieties should also be

screened for drought tolerance, pest and disease resistance.

EVALUATION OF NEW IRISH POTATO (Solanum tuberosum L.) VARIETIES FOR YIELD POTENTIAL IN ZIMBABWE

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Details

Type Project
Department Agronomy
Project ID AGO0005
Price ₦3,000 ($9)
No of Pages 49 Pages
Format Microsoft Word

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    Details

    Type Project
    Department Agronomy
    Project ID AGO0005
    Price ₦3,000 ($9)
    No of Pages 49 Pages
    Format Microsoft Word

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