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棉花的产量结构包括每亩总铃数、铃重和衣分率。这三个因素之间存在相互依存又相互制约的关系。了解此三个因素对产量的影响程度,对于更确切地选择主攻方向,挖掘增产潜力有指导意义。为此,我们从皮棉亩产量与每亩总铃数、铃重、衣分率的回归和相关方面作了初步探讨,以寻求某些有益的启示。 1980年的高产栽培联合试验中,有三个试点的8块棉田积累了较完整的产量构成因素资料(表1)。单铃重为固定30～50株分收的全株平均单铃重,衣分率也是这些分收籽棉实轧的全株平均衣分,每亩总铃数为实收密度与单株铃数的乘积,皮棉亩产量为籽棉
The yield structure of cotton includes the total number of bolls per acre, the boll weight and the percentage of clothing. There is interdependence and mutual restraint among these three factors. Understanding the impact of these three factors on production is of guiding significance in choosing the direction of the main attack more accurately and in tapping the potential for increasing production. To this end, we made a preliminary discussion on the regression and related aspects of the cotton yield per mu and the total number of bolls per acre, the boll weight, and the percentage of clothing, in order to seek some beneficial enlightenment. In the 1980 joint experiment on high-yield cultivation, more complete sets of yield components were accumulated in eight plots of three pilots (Table 1). The single boll weight is the average single boll weight of the whole plant which is fixed at 30-50 strains. The average boll weight of the whole plant is also the average seed weight of the whole plant of the seed cotton seed rolling. The total number of bolls per acre is the actual planting density and boll number per plant Product, lint acres of seed cotton production