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F_1 GENERATION HETEROSIS OF PEANUT VARIETIES WITH SPECIAL TESTA COLOR

Wu Lian

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Abstract

Six peanut varieties with special testa color were arranged in pairs of 10 cross combinations, and 3 agronomic characters and 7 yield characters were tested for their heterosis.The results showed that the main stem height had the most powerful heterosis among tested agronomic characters.Among yield characters,the syntheitc characters\_\_pod yield per plant and seed yield per plant had better heterosis,each has 8 combinations showed over\|parent heterosis with ranges of 7\^1%～73\^4% and 12\^1%～71\^5%,respectively.The heterosis among combinations also has significant difference.In all characters except the No.of filled pods per plant,the tested white variety has more powerful heterosis than red variety when they were used as female parent.

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What this paper is about

Six peanut varieties with special testa color were arranged in pairs of 10 cross combinations, and 3 agronomic characters and 7 yield characters were tested for their heterosis.The results showed that the main stem height had the most powerful heterosis among tested agronomic characters.Among yield characters,the syntheitc characters\_\_pod yield per plant and seed yield per plant had better heterosis,each has 8 combinations showed over\|parent heterosis with ranges of 7\^1%～73\^4% and 12\^1%～71\^5%,respectively.The heterosis among combinations also has significant difference.In all characters except the No.of filled pods per plant,the tested white variety has more powerful heterosis than red variety when they were used as female parent.

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Available abstract

Six peanut varieties with special testa color were arranged in pairs of 10 cross combinations, and 3 agronomic characters and 7 yield characters were tested for their heterosis.The results showed that the main stem height had the most powerful heterosis among tested agronomic characters.Among yield characters,the syntheitc characters\_\_pod yield per plant and seed yield per plant had better heterosis,each has 8 combinations showed over\|parent heterosis with ranges of 7\^1%～73\^4% and 12\^1%～71\^5%,respectively.The heterosis among combinations also has significant difference.In all characters except the No.of filled pods per plant,the tested white variety has more powerful heterosis than red variety when they were used as female parent.

Key concepts: Heterosis, Point of delivery, Yield (engineering), Biology, White (mutation), Agronomy, Horticulture, Hybrid

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