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水产杂种优势
释义
水产杂种优势
Encyclopedia
农学
水产杂种优势
释
aquatic heterosis
水产杂种优势
遗传基础不同的两个水生生物亲本杂交产生的杂种在生长势、生活力、生殖力、抗逆性、产量和品质等性状上优于其亲本的现象。杂种优势是生物界普遍存在的现象,对改良生物的生产性能有重要作用。一般具有杂种优势的杂种表现明显的近交衰退现象,且随繁殖世代增进而减退,因而一般只用杂种一代。
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square integrable representation
square kappa principle
Square Kettle with a Standing Crane
Square Kilometer Array
square knot
square lattice
square law
square-law detection
square-law detector
square line picking
square loss function
squarely equivalent to zero
square mapping
square map subdivision
square matrix
square matrix of order n
square mean value of electric quantities fluctuation
square mean value of thermal electromotive force
square mean velocity of Brownian particle
square measure
square mesh
square mesh grid
Square Mountain and Changyu Dongtian Scenic and Historic Area
squareness
squareness measurement
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