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Jiang Lu and Olusola Lamikanra

pollen grains of `Thompson Seedless' and `Flame Seedless' and L. Schell for providing technical assistance. This work was supported in part by USDA grant 91-38814-6235. The cost of publishing this paper was defrayed in part by the payment of page charges

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Jessica DiMatteo, Lauren Kurtz, and Jessica D. Lubell-Brand

for use in the production of industrial hemp fiber and grain. Male and monoecious plants are problematic for CBD production because of their pollen, which is produced in copious quantities because hemp is a wind-pollinated species ( Small and Naraine

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Sabrina J. Ruis, Humberto Blanco-Canqui, Ellen T. Paparozzi, and Russ Zeeck

. 1 used five stover rates (0%, 25%, 50%, 75%, and 100% by volume) mixed with peat as subplots ( Table 1 ). Expt. 2 used 50% quick stover compost with and without CaO, 75% quick stover compost without CaO, 25% distillers grain amended stover, and 0

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Huanfang Liu, Chelsea D. Specht, Tong Zhao, and Jingping Liao

contained internal secretory structures located in the pith, and noted the presence of amylum grains, protein granules, and oil droplets in all rhizomes examined with variable densities depending on the species and variety ( Indriyani, 2017 ). However, a

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Trenton Hamada, Irene Terry, Robert Roemer, and Thomas E. Marler

; McClatchey, 2003 ; Motley et al., 2005 ; Razafimandimbison et al., 2012 ; Woodell, 1979 ). We selected angiosperm species whose pollen grains are monads, having one grain as the smallest unit, but they vary in size, shape, and surface texture ( Fig. 1

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Daisuke Sakamoto, Shinnosuke Kusaba, and Yuri Nakamura

, wind, and rainfall. Furthermore, hand pollination is a labor-intensive process resulting in high labor costs. As an alternative, a spray pollination technique using aqueous pollen grain solutions is expected to reduce labor and other costs associated

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Chunqing Sun, Zhihu Ma, Zhenchao Zhang, Guosheng Sun, and Zhongliang Dai

valuable. Determination of pollen viability. Pollen grains from newly split anthers were collected from 0900 to 1000 hr on sunny days. The samples were placed on a glass slide coated with culture medium including 100 g·L −1 polyethylene glycol (PEG4000

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Mwanarusi Saidi, Francis M. Itulya, Joseph N. Aguyoh, and Mathieu Ngouajio

human food and livestock fodder. As human food, cowpea can provide both vegetable and grain. This dual-purpose character has made it an attractive crop where land is becoming scarce ( Singh et al., 2003 ). Its shade tolerance characteristic makes it

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Chun-Qing Sun, Zhi-Hu Ma, Guo-Sheng Sun, Zhong-Liang Dai, Nian-jun Teng, and Yue-Ping Pan

a study of the factors that affect seed set in several chrysanthemum crosses, it was found that a low number of germinated pollen grains and the abnormal growth of most pollen tubes were the main causes of the failure of the cross between D

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Laura E. Crawford and Martin M. Williams II

limited. The vegetable industry currently relies heavily on established grain-type soybean management guidelines, despite stark differences between the two types of cultivars and their end-use products ( Williams, 2015 ; Zhang et al., 2013 ). Although