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①叶枝发生在主茎下部各节 ,果枝发生在主茎中上部各节。②叶枝与主茎所成的夹角较小 ,果枝与主茎所成的角较大近似直角。③叶枝单轴生长斜直而上 ,果枝假轴生长呈曲折状。④叶枝间接现蕾、开花、结铃 ,果枝直接现蕾、开花、结铃怎样区别棉花的叶枝和果枝$范县农业局经作站@张?
① leaf branches occur in the lower part of the main stem, fruiting branches in the upper stem in the upper section. ② the angle formed by the leaf and the main stem is smaller, the angle between the fruiting branch and the main stem is approximately a right angle. ③ uniaxial growth of branches obliquely, fruiting branches false axis growth was tortuous. ④ leaf stalk bud, flowering, ringing bell, fruiting branches direct budding, flowering, how to distinguish between cotton bolls and branches $ Fanxian Bureau of Agriculture by the station for Zhang?