calcium nitrate/paprastasis kukurūzas

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In vitro germination and pollen tube growth of maize (Zea mays L.) pollen : VI. Combined effects of storage and the alleles at the waxy (wx), sugary (su 1)and shrunken (sh 2)loci.

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Pollen grains containing either theWx,wx,Su 1,Su 1,Sh 2orsh 2alleles were stored for 0, 1, 2, 3, 4 or 5 days at 2 °C. After each storage period, a portion of each genotype was cultured on a 15% sucrose, 0.6% bacto-agar, 0.03% calcium nitrate and 0.01% boric acid medium, while another portion was

In vitro germination and pollen tube growth of maize (Zea mays L.) pollen : VIII. Storage temperature and pollen source effects.

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Pollen grains from two hybrids, WF9xH55 (W) and K64xK55 (K) were collected and a sample from each was cultured immediately (0 h). The remainder was subdivided and stored at 2, 20, and 35° C. At 3, 6, 12, 24, 36, 48, 72, 96, and 120 h, a sample was cultured. The culture medium contained 15% sucrose,

The lysosome-concept in plants : I. Peroxidases associated with subcellular and wall fractions of maize root tips: Implications for vacuole development.

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Only 11% of the total peroxidase activity in a root tip homogenate of Zea mays (L.) was sedimentable. The majority of sedimentable activity was bound to membrane fractions with which acid hydrolases were also associated.Peroxidase activity was released from a cell wall fraction exhaustively washed

The nitrate leached below maize root zone is available for deep-rooted wheat in winter wheat-summer maize rotation in the North China Plain.

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In winter wheat (Triticum aestivum L.)-summer maize (Zea mays L.) rotation system in the North China Plain, maize roots do not extend beyond 1.2 m in the vertical soil profile, but wheat roots can reach up to 2.0 m. Increases in soil nitrate content at maize harvest and significant reductions after

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